IR2156 데이터 시트보기 (PDF) - International Rectifier
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IR2156 Datasheet PDF : 24 Pages
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IR2156(S)&(PbF)
Block Diagram
Vcc
S1
RT
R
S2
40K
CT
RDT
2.5K
S3
R
Comp 1
VTH
R
S4
S6
R
RPH
R
ICPH
CPH
VDC
RVDC
5.1V
5.1V
10K
Schmitt 1
Soft
Start
Driver
Logic
TQ
RQ
Fault
Logic
SQ
R1
R2 Q
SD
5.1V
Comp 2
COM
Under-
Voltage
Detect
VB
High-
Side
HO
Driver
VS
Low-
Side
LO
Driver
CS
1.3V
Comp 3
Lead Assignments & Definitions
Pin Assignments
NC 1
VCC 2
VDC 3
RT 4
RPH 5
CT 6
CPH 7
14 VB
13 HO
12 VS
11 LO
10 CS
9 SD
8 COM
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Symbol
NC
VCC
VDC
RT
RPH
CT
CPH
COM
SD
CS
LO
VS
HO
VB
Description
No connect
Logic & low-side gate driver supply
IC start-up and DC bus sensing Input
Minimum frequency timing resistor
Preheat frequency timing resistor
Oscillator timing capacitor
Preheat timing capacitor
IC power & signal ground
Shutdown input
Current sensing input
Low-side gate driver output
High-side floating return
High-side gate driver output
High-side gate driver floating supply
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