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TLP2451A Datasheet PDF - Toshiba

Part Number TLP2451A
Description Photocouplers
Manufacturers Toshiba 
Logo Toshiba Logo 

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Photocouplers GaAℓAs Infrared LED & Photo IC
TLP2451A
TLP2451A
1. Applications
• Industrial Inverters
• MOSFET Gate Drivers
• IGBT Gate Drivers
• Induction Cooktop and Home Appliances
2. General
The TLP2451A is a photocoupler in a SO8 package that consists of a GaAℓAs infrared light-emitting diode (LED)
optically coupled to an integrated high-gain, high-speed photodetector IC chip. It provides guaranteed performance
and specifications at temperatures up to 125. The TLP2451A has an internal Faraday shield that provides a
guaranteed Common-mode transient immunity of ±20 kV/µs. It has a totem-pole output that can both sink and
source current. The TLP2451A is ideal for IBGT and power MOSFET gate drive.
3. Features
(1) Output peak current: ±0.6 A (max)
(2) Operating temperature: -40 to 125
(3) Supply current: 2 mA (max)
(4) Supply voltage: 10 to 30 V
(5) Threshold input current: 5 mA (max)
(6) Propagation delay time: 500 ns (max)
(7) Common-mode transient immunity: ±20 kV/µs (min)
(8) Isolation voltage: 3750 Vrms (min)
(9) Safety standards
UL-approved: UL1577, File No.E67349
cUL-approved: CSA Component Acceptance Service No.5A File No.E67349
VDE-approved: EN60747-5-5 (Note 1)
Note 1: When an EN60747-5-5 approved type is needed, please designate the Option (V4).
©2016 Toshiba Corporation
1
Start of commercial production
2011-09
2016-02-10
Rev.2.0

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TLP2451A equivalent
TLP2451A
11. Switching Characteristics (Note)
(Unless otherwise specified, Ta = -40 to 125)
Characteristics
Symbol Note
Test
Circuit
Test Condition
Min Typ. Max Unit
Propagation delay time
(L/H)
tpLH (Note 1) Fig. IF = 0 5 mA, VCC = 30 V,
12.1.7 Rg = 47 , Cg = 3 nF
30 500 ns
Propagation delay time
(H/L)
tpHL (Note 1)
IF = 5 0 mA, VCC = 30 V,
Rg = 47 , Cg = 3 nF
30 500
Rise time
tr (Note 1)
IF = 0 5 mA, VCC = 30 V,
Rg = 47 , Cg = 3 nF
50
Fall time
tf (Note 1)
IF = 5 0 mA, VCC = 30 V,
Rg = 47 , Cg = 3 nF
50
Pulse width distortion
|tpHL- (Note 1)
tpLH|
IF = 0 ←→ 5 mA, VCC = 30 V,
Rg = 47 , Cg = 3 nF
  350
Common-mode transient
immunity at output high
CMH (Note 2) Fig. VCM = 1000 Vp-p, IF = 5 mA,
12.1.8 VCC = 30 V, Ta = 25, VO(min) = 26 V
±20
±25
kV/µs
Common-mode transient
immunity at output low
CML
(Note 3)
VCM = 1000 Vp-p, IF = 0 mA,
VCC = 30 V, Ta = 25, VO(max) = 1 V
±20
±25
Note: All typical values are at Ta = 25.
Note 1: f = 25 kHz, duty = 50%, input current tr = tf = 5 ns, CL is approximately 15 pF which includes probe and stray
wiring capacitance.
Note 2: CMH is the maximum rate of rise of the common mode voltage that can be sustained with the output voltage
in the logic high state (VO > 26 V).
Note 3: CML is the maximum rate of fall of the common mode voltage that can be sustained with the output voltage in
the logic low state (VO < 1 V).
©2016 Toshiba Corporation
5
2016-02-10
Rev.2.0


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