1.5 A, Step-Up/Down/ Inverting Switching Regulators NCP3063, NCP3063B, NCV3063
1.5 A, Step-Up/Down/ Inverting Switching Regulators NCP3063, NCP3063B, NCV3063
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NCV3063 SOIC−8
D SUFFIX V3063
The NCP3063 Series is a higher frequency upgrade to the popular CASE 751 ALYW
MC34063A and MC33063A monolithic DC−DC converters. These G
devices consist of an internal temperature compensated reference, 1
comparator, a controlled duty cycle oscillator with an active current
limit circuit, a driver and a high current output switch. This series was
specifically designed to be incorporated in Step−Down, Step−Up and NCP3063x
AWL
Voltage−Inverting applications with a minimum number of external
YYWWG
components.
1
Features 8
• Operation to 40 V Input 1
NCV3063
PDIP−8
• Low Standby Current P, P1 SUFFIX AWL
• Output Switch Current to 1.5 A CASE 626 YYWWG
R1 R2 3.9 kW 470 mF +
2.4 kW Cout
ÇÇ Ç
Switch Collector
Switch Emitter Ipk Sense
ÇÇ Ç
2 7 Switch Emitter Ipk Sense
EP Flag
Timing Capacitor
ÇÇ Ç
Timing Capacitor 3 6 VCC VCC
Comparator GND Comparator
GND 4 5
Inverting Inverting
(Top View) Input (Top View) Input
NOTE: EP Flag must be tied to GND Pin 4
on PCB
Figure 2. Pin Connections Figure 3. Pin Connections
NCP3063
8 1
N.C. TSD Switch Collector
SET dominant
R
Q
S
COMPARATOR
7
Ipk Sense − 2
+ S
Q Switch Emitter
SET dominant
R
0.2 V
OSCILLATOR 3
6 CT Timing Capacitor
+VCC
COMPARATOR
1.25 V
+ REFERENCE
− REGULATOR
5 4
Comparator Inverting Input GND
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2
NCP3063, NCP3063B, NCV3063
PIN DESCRIPTION
Pin No. Pin Name Description
1 Switch Collector Internal Darlington switch collector
2 Switch Emitter Internal Darlington switch emitter
3 Timing Capacitor Timing Capacitor
Oscillator Input
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3
NCP3063, NCP3063B, NCV3063
ELECTRICAL CHARACTERISTICS (VCC = 5.0 V, TJ = Tlow to Thigh [Note 5], unless otherwise specified)
Symbol Characteristic Conditions Min Typ Max Unit
OSCILLATOR
fOSC Frequency (VPin 5 = 0 V, CT = 2.2 nF, 110 150 190 kHz
TJ = 25°C)
IDISCHG / Discharge to Charge Current Ratio (Pin 7 to VCC, TJ = 25°C) 5.5 6.0 6.5 −
ICHG
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4
NCP3063, NCP3063B, NCV3063
450 190
400 CT = 2.2 nF
180
TJ = 25°C
350
170
FREQUENCY (kHz)
FREQUENCY (kHz)
300
160
250
150
200
140
150
100 130
50 120
0 110
0 1 2 3 4 5 6 7 8 9 10 11 12 1314 1516 1718 1920 3 7 12 16 21 25 29 34 38 40
Ct, CAPACITANCE (nF) VCC, SUPPLY VOLTAGE (V)
Figure 5. Oscillator Frequency vs. Oscillator Figure 6. Oscillator Frequency vs. Supply
Timing Capacitor Voltage
2.4 1.25
VCC = 5.0 V
2.2 VCC = 5.0 V
IE = 1 A 1.20
IC = 1 A
VOLTAGE DROP (V)
1.8 1.15
1.6 1.10
1.4
1.05
1.2
1.0 1.0
−50 0 50 100 150 −50 0 50 100 150
TJ, JUNCTION TEMPERATURE (°C) TJ, JUNCTION TEMPERATURE (°C)
Figure 7. Emitter Follower Configuration Output Figure 8. Common Emitter Configuration Output
Darlington Switch Voltage Drop vs. Temperature Darlington Switch Voltage Drop vs. Temperature
2.0 1.5
1.9 VCC = 5.0 V 1.4 VCC = 5.0 V
1.8 TJ = 25°C 1.3 TJ = 25°C
VOLTAGE DROP (V)
1.7 1.2
1.6 1.1
1.5 1.0
1.4 0.9
1.3 0.8
1.2 0.7
1.1 0.6
1.0 0.5
0 0.5 1.0 1.5 0 0.5 1.0 1.5
IE, EMITTER CURRENT (A) IC, COLLECTOR CURRENT (A)
Figure 9. Emitter Follower Configuration Output Figure 10. Common Emitter Configuration
Darlington Switch Voltage Drop vs. Emitter Current Output Darlington Switch Voltage Drop vs.
Collector Current
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5
NCP3063, NCP3063B, NCV3063
VOLTAGE (V)
1.26 0.22
0.20
1.24 0.18
0.16
1.22 0.14
0.12
1.20 0.10
−40 −25 −10 5 20 35 50 65 80 95 110 125 −40 −25 −10 5 20 35 50 65 80 95 110 125
TJ, JUNCTION TEMPERATURE (°C) TJ, JUNCTION TEMPERATURE (°C)
Figure 11. Comparator Threshold Voltage vs. Figure 12. Current Limit Sense Voltage vs.
Temperature Temperature
6.0
5.5
ICC, SUPPLY CURRENT (mA)
5.0
4.5
4.0
3.5
3.0 CT = 2.2 nF
Pin 5, 7 = VCC
2.5 Pin 2 = GND
2.0
3.0 8.0 13 18 23 28 33 38 43
VCC, SUPPLY VOLTAGE (V)
Figure 13. Standby Supply Current vs. Supply Voltage
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6
NCP3063, NCP3063B, NCV3063
INTRODUCTION
The NCP3063 is a monolithic power switching regulator controlled by the oscillator, thus pumping up the output filter
optimized for dc to dc converter applications. The capacitor. When the output voltage level reaches nominal,
combination of its features enables the system designer to the output switch next cycle turning on is inhibited. The
directly implement step−up, step−down, and voltage− feedback comparator will enable the switching immediately
inverting converters with a minimum number of external when the load current causes the output voltage to fall below
components. Potential applications include cost sensitive nominal. Under these conditions, output switch conduction
consumer products as well as equipment for industrial can be enabled for a partial oscillator cycle, a partial cycle
markets. A representative block diagram is shown in plus a complete cycle, multiple cycles, or a partial cycle plus
Figure 4. multiple cycles. (See AN920/D for more information).
1
Feedback Comparator Output
0
1
IPK Comparator Output
0
Timing Capacitor, CT
On
Output Switch
Off
Output Voltage
Startup Operation
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7
NCP3063, NCP3063B, NCV3063
With a voltage ripple gated converter operating under Real Vturn−off on Rsc resistor
normal conditions, output switch conduction is initiated by Vturn_off + Vipk(sense) ) Rs @ (t_delay @ dińdt)
the Voltage Feedback comparator and terminated by the
oscillator. Abnormal operating conditions occur when the Typical Ipk comparator response time t_delay is 350 ns.
converter output is overloaded or when feedback voltage The di/dt current slope is growing with voltage difference on
sensing is lost. Under these conditions, the Ipk Current Sense the inductor pins and with decreasing inductor value.
comparator will protect the Darlington output Switch. The It is recommended to check the real max peak current in
switch current is converted to a voltage by inserting a the application at worst conditions to be sure that the max
fractional ohm resistor, RSC, in series with VCC and the peak current will never get over the 1.5 A Darlington Switch
Darlington output switch. The voltage drop across RSC is Current max rating.
monitored by the Current Sense comparator. If the voltage Thermal Shutdown
drop exceeds 200 mV with respect to VCC, the comparator Internal thermal shutdown circuitry is provided to protect
will set the latch and terminate output switch conduction on the IC in the event that the maximum junction temperature
a cycle−by−cycle basis. This Comparator/Latch is exceeded. When activated, typically at 160°C, the Output
configuration ensures that the Output Switch has only a Switch is disabled. The temperature sensing circuit is
single on−time during a given oscillator cycle. designed with 10°C hysteresis. The Switch is enabled again
when the chip temperature decreases to at least 150°C
Real threshold. This feature is provided to prevent
I1
Vturn−off on catastrophic failures from accidental device
Rs Resistor
I through the overheating. It is not intended to be used as a
di/dt slope
Darlington replacement for proper heatsinking.
Io Switch
Vipk(sense) Output Switch
t_delay
The output switch is designed in a Darlington
configuration. This allows the application designer to
operate at all conditions at high switching speed and low
The VIPK(Sense) Current Limit Sense Voltage threshold is voltage drop. The Darlington Output Switch is designed to
specified at static conditions. In dynamic operation the switch a maximum of 40 V collector to emitter voltage and
sensed current turn−off value depends on comparator current up to 1.5 A.
response time and di/dt current slope.
APPLICATIONS
Figures 16 through 24 show the simplicity and flexibility increase output current and helps with efficiency still
of the NCP3063. Three main converter topologies are keeping low cost bill of materials. Typical schematics of
demonstrated with actual test data shown below each of the boost configuration with NMOS transistor, buck
circuit diagrams. configuration with PMOS transistor and buck configuration
Figure 15 gives the relevant design equations for the key with LOW VCE(sat) PNP are shown.
parameters. Additionally, a complete application design aid Another advantage of using the external transistor is
for the NCP3063 can be found at www.onsemi.com. higher operating frequency which can go up to 250 kHz.
Figures 25 through 31 show typical NCP3063 Smaller size of the output components such as inductor and
applications with external transistors. This solution helps to capacitor can be used then.
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8
NCP3063, NCP3063B, NCV3063
CT
CT + 381.6 @ 10 *6 * 343 @ 10 *12
fosc
IL(avg) Iout
ǒ
t
Iout on ) 1
toff
Ǔ ǒ
t
Iout on ) 1
toff
Ǔ
Ipk (Switch) DI DI DI
IL(avg) ) L IL(avg) ) L IL(avg) ) L
2 2 2
RSC 0.20 0.20 0.20
Ipk (Switch) Ipk (Switch) Ipk (Switch)
L
ǒVin * VSWCE
DIL
* Vout
Ǔ ton ǒVin *DIVLSWCEǓ ton ǒVin *DIVLSWCEǓ ton
Vripple(pp)
DIL Ǹǒ 1
8 f CO
Ǔ ) (ESR)
2
2 [
ton Iout
CO
) DIL @ ESR [
ton Iout
CO
) DIL @ ESR
Vout
VTH ǒRR2 ) 1Ǔ VTH ǒRR2 ) 1Ǔ VTH ǒRR2 ) 1Ǔ
1 1 1
9. VSWCE − Darlington Switch Collector to Emitter Voltage Drop, refer to Figures 7, 8, 9 and 10.
10. VF − Output rectifier forward voltage drop. Typical value for 1N5819 Schottky barrier rectifier is 0.4 V.
11. The calculated ton/toff must not exceed the minimum guaranteed oscillator charge to discharge ratio.
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9
NCP3063, NCP3063B, NCV3063
R201 U201
8 N.C. SWC 1 +VOUT = +3.3 V / 800 mA
0R15 L201 47 mH
+VIN = +12 V 7 SWE 2
IPK 1
6 3
1 VCC TCAP D201 C206 J203
5 COMP GND 4 C203 +
J201 C205
0.1 mF
C201 + NCP3063 2.2 nF 1N5819 470 mF / 25 V J204
C202
220 mF / 50 V 1
0.1 mF
J202 GND
R203
1
GND 3K9 ±1%
R202
2K4 ±1%
Value of Components
Name Value Name Value
L201 47 mH, Isat > 1.5 A R201 150 mW, 0.5 W
D201 1 A, 40 V Schottky Rectifier R202 2.40 kW
C202 220 mF, 50 V, Low ESR R203 3.90 kW
C205 470 mF, 25 V, Low ESR C201 100 nF Ceramic Capacitor
C203 2.2 nF Ceramic Capacitor C202 100 nF Ceramic Capacitor
Test Results
Test Condition Results
Line Regulation Vin = 9 V to 12 V, Io = 800 mA 8 mV
Load Regulation Vin = 12 V, Io = 80 mA to 800 mA 9 mV
Output Ripple Vin = 12 V, Io = 40 mA to 800 mA ≤ 85 mVpp
Efficiency Vin = 12 V, Io = 400 mA to 800 mA > 73%
Short Circuit Current Vin = 12 V, Rload = 0.15 W 1.25 A
76
74
EFFICIENCY (%)
72
70
68
66
64
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
OUTPUT LOAD (Adc)
onsemi Figure 18. Efficiency vs. Output Current for the Buck
Demo Board at Vin = 12 V, Vout = 3.3 V, TA = 255C
Figure 17. Buck Demoboard Layout
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10
NCP3063, NCP3063B, NCV3063
L101 100 mH
R101 U101 +VOUT = +24 V / 350 mA
8 D101 1N5819
0R15 N.C. SWC 1 1
+VIN = +12 V 7 SWE 2
IPK J103
6 3 +
1 VCC TCAP C106 C105
5 COMP GND 4 C103
J101 0.1 mF 330 mF / 50 V
C101 + NCP3063 2.2 nF J104
C102
470 mF / 25 V 1
0.1 mF
J102 GND
R103
1
GND 18K0 ±1%
R102
1K0 ±1%
Value of Components
Name Value Name Value
L101 100 mH, Isat > 1.5 A R101 150 mW, 0.5 W
D101 1 A, 40 V Schottky Rectifier R102 1.00 kW
C102 470 mF, 25 V, Low ESR R103 18.00 kW
C105 330 mF, 50 V, Low ESR C101 100 nF Ceramic Capacitor
C103 2.2 nF Ceramic Capacitor C106 100 nF Ceramic Capacitor
Test Results
Test Condition Results
Line Regulation Vin = 9 V to 15 V, Io = 250 mA 2 mV
Load Regulation Vin = 12 V, Io = 30 mA to 350 mA 5 mV
Output Ripple Vin = 12 V, Io = 10 mA to 350 mA ≤ 350 mVpp
Efficiency Vin = 12 V, Io = 50 mA to 350 mA > 85.5%
90
89
88
87
EFFICIENCY (%)
86
85
84
83
82
81
80
0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4
OUTPUT LOAD (Adc)
onsemi
Figure 21. Efficiency vs. Output Current for the Boost
Demo Board at Vin = 12 V, Vout = 24 V, TA = 255C
Figure 20. Boost Demoboard Layout
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11
NCP3063, NCP3063B, NCV3063
R501 U501
8 N.C. SWC 1
0R15
+VIN = +5 V 7 SWE 2
IPK
6 3
1 VCC TCAP
5 COMP GND 4 C503 L501
J501
D501
C501 + NCP3063 2.2 nF 22 mH 1N5819
C502
0.1 mF 330 mF / 25 V
J502 VOUT = −12 V / 100 mA
R503
1 1 J503
1K96 ±1% C506
GND C505
R502 +
0.1 mF 470 mF / 35 V
16K9 ±1% 1 J504
GND
Figure 22. Typical Voltage Inverting Application Schematic
Value of Components
Name Value Name Value
L501 22 mH, Isat > 1.5 A R501 150 mW, 0.5 W
D501 1 A, 40 V Schottky Rectifier R502 16.9 kW
C502 330 mF, 25 V, Low ESR R503 1.96 kW
C505 470 mF, 35 V, Low ESR C501 100 nF Ceramic Capacitor
C503 2.2 nF Ceramic Capacitor C506 100 nF Ceramic Capacitor
Test Results
Test Condition Results
Line Regulation Vin = 4.5 V to 6 V, Io = 50 mA 1.5 mV
Load Regulation Vin = 5 V, Io = 10 mA to 100 mA 1.6 mV
Output Ripple Vin = 5 V, Io = 0 mA to 100 mA ≤ 300 mVpp
Efficiency Vin = 5 V, Io = 100 mA 49.8%
Short Circuit Current Vin = 5 V, Rload = 0.15 W 0.885 A
52
50
48
EFFICIENCY (%)
46
44
42
40
38
36
0 20 40 60 80 100
OUTPUT LOAD (mAdc)
onsemi
Figure 24. Efficiency vs. Output Current for the
Figure 23. Voltage Inverting Demoboard Layout Voltage Inverting Demo Board at Vin = +5 V,
Vout = −12 V, TA = 255C
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12
NCP3063, NCP3063B, NCV3063
R2 1k Q1 D1
NTD18N06
IC1 NCP3063 C5 6n8
D
8 N.C. SWC 1
R7 6 1G
7 SWE 2
IPK
6 2 4
VCC TC 3 470 S
5 COMP GND 4
5 3
IC2 BC846BPD
C3 10n
R5 24k
C1 C2 C4 C6 C7 +
R3 R4 R8
M18 1k 1k
330m 100n 1n2 100n 330m
0V GND
Figure 25. Typical Boost Application Schematic with External NMOS Transistor
80
circuit is controlled from SWE Pin of the NCP3063 through
frequency compensated resistor divider R7/R8. The driver
78 IC2 is onsemi low cost dual NPN/PNP transistor
76
BC846BPD. Its NPN transistor is connected as a super diode
for charging the gate capacitance. The PNP transistor works
74 as an emitter follower for discharging the gate capacitor.
72
This configuration assures sharp driving edge between
ILOAD = 350 mA 50 − 100 ns as well as it limits power consumption of R7/R8
70 divider down to 50 mW. The output current limit is balanced
6 8 10 12 14 16 18 20
by resistor R3. The fast switching with low RDS(on) NMOS
INPUT VOLTAGE (V) transistor will achieve efficiencies up to 85% in automotive
Figure 26. Typical Efficiency for Application applications.
Shown in Figure 25.
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13
NCP3063, NCP3063B, NCV3063
Q2 VOUT = 3V3/3 A
VIN = 8 − 19 V R1 50m NTGS4111P L1 10m
T1 6
R5 BC848CPD 2
1k
1
IC1 NCP3063 5
8 N.C. SWC 1 3 4
7 SWE 2
IPK R6
6 TC 3
VCC
5 COMP GND 4 22k
R2 1k7
C1 + C2 C5 C4 D1 C6 C7 +
R3 R8
100n 1k 2n2 470 6n8 100n
330m 1N5822 330m
0V GND
Figure 27. Typical Buck Application Schematic with External PMOS Transistor
85
a pulsed feedback voltage. It is recommended to use this
VIN = 8 V
pulsed feedback approach on applications with a wide input
80 voltage range, applications with the input voltage over
VIN = 18 V +12 V or applications with tighter specifications on output
75
ripple. The suitable value of resistor R6 is between
70 10k − 68k. The pulse feedback approach increases the
operating frequency by about 20%. It also creates more
65
regular switching waveforms with constant operating
60 frequency which results in lower output ripple voltage and
0 0.5 1 1.5 2 2.5 3 improved efficiency.
OUTPUT LOAD (Adc) The pulse feedback resistor value has to be selected so that
Figure 28. NCP3063 Efficiency vs. Output Current for the capacitor charge and discharge currents as listed in the
Buck External PMOS at Vout = 3.3 V, f = 220 kHz, electrical characteristic table, are not exceeded. Improper
TA = 255C selection will lead to errors in the oscillator operation. The
maximum voltage at the TC Pin cannot exceed 1.4 V when
implementing pulse feedback.
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14
NCP3063, NCP3063B, NCV3063
R1 VOUT = 3V3/1 A
VIN = 8 − 19 V Q1 NSS35200 L1 33m
150m
D2
R4
33
NSR0130
IC1 NCP3063
8 N.C. SWC 1
R5
7 SWE 2
IPK
6 TC 3 33
VCC
5 COMP GND 4
R3 1k7
D1 C5 C6 +
C1 + C2 C3
R2
100m 100n 1k 2n2 1N5819 100n 100m
0V GND
Figure 29. Typical Buck Application Schematic with External Low VCE(sat) PNP Transistor
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15
NCP3063, NCP3063B, NCV3063
R1
IC1 NCP3063
8 N.C. SWC 1
7 2 L1
IPK SWE
6 TC 3
VCC
5 COMP GND 4 R5
22k
R2 10R R4
C1 C2 C3 D1 C4
R3
4n7
0V 0V
Figure 31. Typical Schematic of Buck Converter with RC Snubber and Pulse Feedback
In some cases where there are oscillations on the output minimize the oscillation. Typical usage is shown in the
due to the input/output combination, output load variations Figure 31. C3 values can be selected between 2.2 nF and
or PCB layout a snubber circuit on the SWE Pin will help 6.8 nF and R4 can be from 10 W to 22 W.
ORDERING INFORMATION
Device Package Shipping†
NCP3063PG PDIP−8 50 Units / Rail
(Pb−Free)
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16
MECHANICAL CASE OUTLINE
PACKAGE DIMENSIONS
DFN8, 4x4
CASE 488AF−01
ISSUE C
1 DATE 15 JAN 2009
SCALE 2:1
D A NOTES:
1. DIMENSIONS AND TOLERANCING PER
B L L ASME Y14.5M, 1994.
2. CONTROLLING DIMENSION: MILLIMETERS.
ÉÉ
3. DIMENSION b APPLIES TO PLATED
L1 TERMINAL AND IS MEASURED BETWEEN
ÉÉ
0.15 AND 0.30MM FROM TERMINAL TIP.
PIN ONE
REFERENCE E DETAIL A 4. COPLANARITY APPLIES TO THE EXPOSED
PAD AS WELL AS THE TERMINALS.
ÉÉ
OPTIONAL
CONSTRUCTIONS 5. DETAILS A AND B SHOW OPTIONAL CON-
2X 0.15 C STRUCTIONS FOR TERMINALS.
MILLIMETERS
ÇÇÇ ÉÉÉ
2X 0.15 C DIM MIN MAX
TOP VIEW A3 A 0.80 1.00
EXPOSED Cu MOLD CMPD
A1 0.00 0.05
ÇÇÇ
ÉÉÉ ÉÉÉ
ÇÇÇ
A3 0.20 REF
DETAIL B b 0.25 0.35
ÇÇÇÇ
0.10 C D 4.00 BSC
D2 1.91 2.21
A A1 E 4.00 BSC
8X 0.08 C DETAIL B E2 2.09 2.39
(A3) ALTERNATE e 0.80 BSC
NOTE 4 A1 SEATING CONSTRUCTIONS K 0.20 −−−
C PLANE L 0.30 0.50
SIDE VIEW L1 −−− 0.15
D2 GENERIC
DETAIL A
ÇÇÇÇ
1 4
8X L MARKING DIAGRAM*
XXXXXX
XXXXXX
E2
ÇÇÇÇ
ALYWG
G
K 8 5
8X b XXXX = Specific Device Code
e 0.10 C A B A = Assembly Location
0.05 C NOTE 3 L = Wafer Lot
Y = Year
BOTTOM VIEW
W = Work Week
G = Pb−Free Package
SOLDERING FOOTPRINT* (Note: Microdot may be in either location)
2.21 8X
*This information is generic. Please refer to
0.63
device data sheet for actual part marking.
Pb−Free indicator, “G” or microdot “ G”,
may or may not be present.
4.30 2.39
PACKAGE
OUTLINE
8X
0.80 0.35
PITCH
DIMENSIONS: MILLIMETERS
Electronic versions are uncontrolled except when accessed directly from the Document Repository.
DOCUMENT NUMBER: 98AON15232D Printed versions are uncontrolled except when stamped “CONTROLLED COPY” in red.
ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.
ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically
disclaims any and all liability, including without limitation special, consequential or incidental damages. ON Semiconductor does not convey any license under its patent rights nor the
rights of others.
PDIP−8
CASE 626−05
ISSUE P
DATE 22 APR 2015
SCALE 1:1
NOTES:
D A 1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M, 1994.
E 2. CONTROLLING DIMENSION: INCHES.
H 3. DIMENSIONS A, A1 AND L ARE MEASURED WITH THE PACK-
AGE SEATED IN JEDEC SEATING PLANE GAUGE GS−3.
8 5
4. DIMENSIONS D, D1 AND E1 DO NOT INCLUDE MOLD FLASH
OR PROTRUSIONS. MOLD FLASH OR PROTRUSIONS ARE
E1 NOT TO EXCEED 0.10 INCH.
5. DIMENSION E IS MEASURED AT A POINT 0.015 BELOW DATUM
PLANE H WITH THE LEADS CONSTRAINED PERPENDICULAR
1 4
TO DATUM C.
6. DIMENSION eB IS MEASURED AT THE LEAD TIPS WITH THE
NOTE 8 LEADS UNCONSTRAINED.
c 7. DATUM PLANE H IS COINCIDENT WITH THE BOTTOM OF THE
b2 B END VIEW LEADS, WHERE THE LEADS EXIT THE BODY.
TOP VIEW WITH LEADS CONSTRAINED 8. PACKAGE CONTOUR IS OPTIONAL (ROUNDED OR SQUARE
CORNERS).
NOTE 5
INCHES MILLIMETERS
A2 DIM MIN MAX MIN MAX
e/2 A −−−− 0.210 −−− 5.33
A NOTE 3 A1 0.015 −−−− 0.38 −−−
A2 0.115 0.195 2.92 4.95
L b 0.014 0.022 0.35 0.56
b2 0.060 TYP 1.52 TYP
C 0.008 0.014 0.20 0.36
D 0.355 0.400 9.02 10.16
SEATING
PLANE D1 0.005 −−−− 0.13 −−−
A1 E 0.300 0.325 7.62 8.26
C M E1 0.240 0.280 6.10 7.11
D1 e 0.100 BSC 2.54 BSC
eB −−−− 0.430 −−− 10.92
e eB L 0.115 0.150 2.92 3.81
8X b END VIEW M −−−− 10 ° −−− 10 °
0.010 M C A M B M NOTE 6
SIDE VIEW
GENERIC
MARKING DIAGRAM*
STYLE 1:
PIN 1. AC IN
2. DC + IN XXXXXXXXX
3. DC − IN AWL
4. AC IN
5. GROUND YYWWG
6. OUTPUT
7. AUXILIARY
8. VCC
XXXX = Specific Device Code
A = Assembly Location
WL = Wafer Lot
YY = Year
WW = Work Week
G = Pb−Free Package
*This information is generic. Please refer to
device data sheet for actual part marking.
Pb−Free indicator, “G” or microdot “ G”,
may or may not be present.
Electronic versions are uncontrolled except when accessed directly from the Document Repository.
DOCUMENT NUMBER: 98ASB42420B Printed versions are uncontrolled except when stamped “CONTROLLED COPY” in red.
ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.
ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically
disclaims any and all liability, including without limitation special, consequential or incidental damages. ON Semiconductor does not convey any license under its patent rights nor the
rights of others.
SOIC−8 NB
8 CASE 751−07
1 ISSUE AK
SCALE 1:1 DATE 16 FEB 2011
NOTES:
1. DIMENSIONING AND TOLERANCING PER
−X− ANSI Y14.5M, 1982.
A 2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSION A AND B DO NOT INCLUDE
MOLD PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
8 5 PER SIDE.
5. DIMENSION D DOES NOT INCLUDE DAMBAR
B S 0.25 (0.010) M Y M PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 (0.005) TOTAL
1 IN EXCESS OF THE D DIMENSION AT
4 MAXIMUM MATERIAL CONDITION.
−Y− K 6. 751−01 THRU 751−06 ARE OBSOLETE. NEW
STANDARD IS 751−07.
MILLIMETERS INCHES
G
DIM MIN MAX MIN MAX
A 4.80 5.00 0.189 0.197
C N X 45 _ B 3.80 4.00 0.150 0.157
SEATING C 1.35 1.75 0.053 0.069
PLANE D 0.33 0.51 0.013 0.020
−Z− G 1.27 BSC 0.050 BSC
H 0.10 0.25 0.004 0.010
0.10 (0.004) J 0.19 0.25 0.007 0.010
H M J K 0.40 1.27 0.016 0.050
D
M 0_ 8_ 0 _ 8 _
N 0.25 0.50 0.010 0.020
S 5.80 6.20 0.228 0.244
0.25 (0.010) M Z Y S X S
GENERIC
MARKING DIAGRAM*
SOLDERING FOOTPRINT*
8 8 8 8
XXXXX XXXXX XXXXXX XXXXXX
ALYWX ALYWX AYWW AYWW
1.52
G G
0.060
1 1 1 1
IC IC Discrete Discrete
(Pb−Free) (Pb−Free)
7.0 4.0
XXXXX = Specific Device Code XXXXXX = Specific Device Code
0.275 0.155
A = Assembly Location A = Assembly Location
L = Wafer Lot Y = Year
Y = Year WW = Work Week
W = Work Week G = Pb−Free Package
G = Pb−Free Package
STYLES ON PAGE 2
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special, consequential or incidental damages. onsemi does not convey any license under its patent rights nor the rights of others.
Electronic versions are uncontrolled except when accessed directly from the Document Repository.
DOCUMENT NUMBER: 98ASB42564B Printed versions are uncontrolled except when stamped “CONTROLLED COPY” in red.
onsemi and are trademarks of Semiconductor Components Industries, LLC dba onsemi or its subsidiaries in the United States and/or other countries. onsemi reserves
the right to make changes without further notice to any products herein. onsemi makes no warranty, representation or guarantee regarding the suitability of its products for any particular
purpose, nor does onsemi assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation
special, consequential or incidental damages. onsemi does not convey any license under its patent rights nor the rights of others.