TLP112
TOSHIBA Photocoupler GaAℓAs Ired & Photo−IC
TLP112
Unit in mm
Digital Logic Isolation
Line Receiver
Switching Power Supply Feedback Control
Transistor Invertor
The TOSHIBA mini flat coupler TLP112 is a small outline coupler,
suitable for surface mount assembly.
TLP112 consists of a GaAℓAs light emitting diode, optically coupled to a
high speed detector of one chip photodiode−transistor.
l Isolation voltage: 2500 Vrms (min.)
l Switching speed: tpHL = 0.8µs, tpLH = 2 µs(max.)
(RL = 4.1 kΩ)
l TTL compatible
l UL recognized: UL1577, file no. E67349 TOSHIBA 11−4C2
Weight: 0.09g
Pin Configuration (top view)
1 6 1 : ANODE
3 : CATHODE
5 4 : EMITTER (GND)
5 : COLLECTOR (OUTPUT)
6 : VCC
3 4
Schematic
IF ICC
1 VCC
IO 6
VF VO
5
3 GND
4
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TLP112
Maximum Ratings (Ta = 25°C)
Characteristic Symbol Rating Unit
Forward current (Note 1) IF 25 mA
Pulse forward current (Note 2) IFP 50 mA
Peak transient forward
LED
IFPT 1 A
current (Note 3)
Reverse voltage VR 5 V
Diode power dissipation (Note 4) PD 45 mW
Output current IO 8 mA
Peak output current IOP 16 mA
Detector
Supply voltage VCC -0.5~15 V
Output voltage VO -0.5~15 V
Output power dissipation (Note 5) Po 100 mW
Operating temperature range Topr -55~100 °C
Storage temperature range Tstg -55~125 °C
Lead soldering temperature(10s) Tsol 260 °C
Isolation voltage
BVS 2500 Vrms
(AC, 1 min., R.H ≤ 60%, Note 6)
(Note 1) Derate 0.8 mA / °C above 70°C.
(Note 2) 50% duty cycle,1ms pulse width.
Derate 1.6mA / °C above 70°C.
(Note 3) Pulse width ≤ 1µs, 300pps.
(Note 4) Derate 0.9mW / °C above 70°C.
(Note 5) Derate 2mW / °C above 70°C.
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TLP112
Electrical Characteristics (Ta = 25°C)
Characteristic Symbol Test Condition Min. Typ. Max. Unit
Forward voltage VF IF = 16mA ― 1.65 1.85 V
Forward voltage
∆VF / ∆Ta IF = 16mA ― -2 ― mV / °C
temperature coefficient
LED
Reverse current IR VR = 5V ― ― 10 µA
Capacitance between
CT VF = 0, f = 1MHz ― 45 ― pF
terminals
IOH (1) IF = 0mA, VCC = VO = 5.5V ― 3 500 nA
High level output IOH (2) IF = 0mA, VCC = VO = 15V ― ― 5
Detector
current
IF = 0mA, VCC = VO = 15V µA
IOH ― ― 50
Ta = 70°C
High level supply
ICCH IF = 0mA, VCC = 15V ― 0.01 1 µA
current
IF =16mA, VCC = 4.5V
Current transfer ratio IO / IF 10 ― ― %
VO = 0.4V
Low level output IF = 16 mA, VCC = 4.5V
VOL ― ― 0.4 V
Coupled
voltage IO = 1.1mA
R.H. ≤ 60% 10 14
Isolation resistance RS 5×10 10 ― Ω
VS = 500V DC (Note 6)
Stray capacitance
CS VS = 0, f = 1MHz (Note 6) ― 0.8 ― pF
between input to output
Switching Characteristics (Ta = 25°C)
Test
Characteristic Symbol Cir- Test Condition Min. Typ. Max. Unit
cuit
Propagation delay time IF = 0→16mA
tpHL 1 ― ― 0.8 µs
(H→L) VCC = 5V, RL= 4.1kΩ
Propagation delay time IF = 16→0mA
tpLH 1 ― ― 2.0 µs
(L→H) VCC = 5V, RL= 4.1kΩ
Common mode transient IF = 0mA, VCM = 200Vp-p
immunity at high output CMH 2 ― 1500 ― V / µs
level RL = 4.1kΩ
Common mode transient IF =16mA, VCM = 200Vp-p
immunity at low output CML 2 ― -1500 ― V / µs
level RL = 4.1kΩ
(Note 6) Device considered a two-terminal device: Pins 1 and 3 shorted together and Pin 4,
5 and 6 shorted together.
(Note 7) Maximum electrostatic discharge voltage for any pins: 100V (C=200pF, R=0)
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TLP112
Test Circuit 1: Switching Time Test Circuit
IF
PULSE INPUT VCC = 5V IF
1 6 0
RL
PW = 100μs
DUTY RATIO = 1 / 10 5 VO VO 5V
OUTPUT
IF MONITOR 3 4 MONITOR 1.5V 1.5V
VOL
100Ω
tpHL tpLH
Test Circuit 2: Common Mode Transient Immunity Test Circuit
200V
VCC = 5V 90%
IF 1 6 VCM
RL
10%
5 VO 0V
OUTPUT tr tf
3 4 MONITOR
VO 5V
VCM
(IF = 0mA) 2V
0.8V
PULSE GENERATOR
ZO = 50Ω VO VOL
(IF = 16mA)
160 V 160 V
CΜH = , CΜL =
t r µs t f µs
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TLP112
IF – VF ΔVF / ΔTa – IF
100 -4.0
coefficient ΔVF / ΔTa (mV / °C )
Forward voltage temperature
IF (mA)
10 -3.2
0－25°C
Forward current
1 -2.4
25－70°C
Ta = 70°C 25°C 0°C
0.1 -1.6
0.01 -0.8
1.0 1.2 1.4 1.6 1.8 2.0 0.1 0.3 0.5 1 3 5 10 30
Forward voltage VF (V)
Foward current IF (mA)
IOH(1) – Ta IO － IF
300 10
VF = 1V VCC = 5V
VO = 0.4V
VCC = 5.5V
100 3 Ta = 25°C
Output current IO (mA)
VO = 5.5V
High level output current
50
1
30
IOH (μA)
10 0.3
5
0.1
3
0.03
1
0.5 0.01
0 20 40 60 80 100 0.1 0.3 0.5 1 3 5 10 30 50
Ambient temperature Ta (°C) Forward current IF (mA)
IO / IF － IF IO / IF – Ta
100 1.2
VCC = 5V
VO = 0.4V
50
1.0
Current transfer ratio
30
Normalized IO / IF
IO / IF (%)
0.8
Normalized to
10 IF = 16mA
- 25°C
0.6 VCC = 4.5V
5 25°C VO = 0.4V
Ta = 100°C Ta = 25°C
3
0.4
1 0.2
0.1 0.3 0.5 1 3 5 10 30 50 -20 0 20 40 60 80 100
Forward current IF (mA) Ambient temperature Ta (°C)
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TLP112
IO – VO VOL – Ta
5 0.4
VCC = 5V
(V)
Ta = 25°C
Low level output voltage VOL
4
Output current IO (mA)
0.3
25mA
3 20mA
0.2
15mA
2
10mA IF = 16mA
0.1 VCC = 5V
1 IF = 5mA IO = 1.1mA
0 0
0 1 2 3 4 5 - 20 0 20 40 60 80 100
Output voltage VO (V) Ambient temperature Ta (°C)
tpHL, tpLH – RL tpHL, tpLH – Ta
5 3
Propagation delay time tpHL, tpLH (μs)
Propagation delay time tpHL, tpLH (μs)
IF = 16mA IF = 16mA
3 VCC = 5V VCC = 5V
Ta = 25°C RL = 4.1kΩ
tpLH 1
1 tpLH
0.5
0.5
tpHL tpHL
0.3
0.3
0.1 0.1
1 3 5 10 30 50 100 0 20 40 60 80 100
Load resistance RL (kΩ) Ambient temperature Ta (°C)
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TLP112
RESTRICTIONS ON PRODUCT USE 000707EBC
· TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor
devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical
stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of
safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of
such TOSHIBA products could cause loss of human life, bodily injury or damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as
set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and
conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability
Handbook” etc..
· The TOSHIBA products listed in this document are intended for usage in general electronics applications
(computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances,
etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires
extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or
bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane or
spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments,
medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this
document shall be made at the customer’s own risk.
· Gallium arsenide (GaAs) is a substance used in the products described in this document. GaAs dust and fumes
are toxic. Do not break, cut or pulverize the product, or use chemicals to dissolve them. When disposing of the
products, follow the appropriate regulations. Do not dispose of the products with other industrial waste or with
domestic garbage.
· The products described in this document are subject to the foreign exchange and foreign trade laws.
· The information contained herein is presented only as a guide for the applications of our products. No
responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other
rights of the third parties which may result from its use. No license is granted by implication or otherwise under
any intellectual property or other rights of TOSHIBA CORPORATION or others.
· The information contained herein is subject to change without notice.
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