IRS254(0,1)(S)PbF
Electrical Characteristics
VCC = VBS = VBIAS = 14 V +/- 0.25 V, CLO=CHO=1000 pF, CVCC=CVBS=0.1 µF, TA=25 °C unless otherwise specified.
Symbol
Definition
Watchdog timer
tWD Watchdog timer period
PWWD LO pulse width
Min Typ Max Units Test Conditions
---
20
---
µs
---
1.0
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IFB =1 V
Functional Block Diagram
IFB 3
ENN 4
100 K
UVLO
UVN
2V
BANDGAP
REFERENCE 0. 5 V
DELAY LEVEL
SHIFT
PULSE
FILTER &
LATCH
DELAY
15.6 V
8 VB
7 HO
6 VS
1 VCC
5 LO
Watchdog
Timer20 µS
1 µS Pulse
Generator
2 COM
Values in block diagram are typical values
Lead Assignment
Pin Assignments
VCC 1
COM 2
IFB 3
ENN 4
8 VB
7 HO
6 VS
5 LO
Pin #
1
2
3
4
5
6
7
8
Symbol
VCC
COM
IFB
ENN
LO
VS
HO
VB
Description
Supply voltage
IC power & signal ground
Current feedback
Disable outputs (LO=High, HO=Low)
Low-side gate driver output
High-side floating return
High-side gate driver output
High-side gate driver floating supply
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