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APW7108 Datasheet(PDF) 14 Page - Anpec Electronics Coropration

Part # APW7108
Description  Dual Mobile-Friendly PWM Controller
PDF  28 Pages
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Manufacturer  ANPEC [Anpec Electronics Coropration]
Direct Link  http://www.anpec.com.tw
Logo ANPEC - Anpec Electronics Coropration

APW7108 Datasheet(HTML) 14 Page - Anpec Electronics Coropration

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Copyright
© ANPEC Electronics Corp.
Rev. A.4 - Jan., 2009
APW7108
www.anpec.com.tw
14
UGATE1
PHASE1
BOOT1
LGATE1
PGND1
ADAPTIVE DEAD-
TIME DIODE
EMULATION PWM/
PFM TRANSITION
MODE CHANGE COMP 1
PG1 EN1 VOUT1 VCC
GND
POR
ENABLE
BIAS SUPPLIES
REFERENCE
FAULT LATCH
TON1
Generator
VSEN1
SOFT1
ISEN1
OCSET1
VIN
Current
Limit 1
0.9V V
OCSET1
89% V
REF
115% V
REF
0.9V
V
REF
4.5µA
-2.2µA
LGATE1
Error
Comparator1
140Ω
70% V
REF
UGATE1
Soft-Start
Soft-Stop
OV1
UV1
OV1
V
CC
V
CC
I
OCSET1
R
R
11.4
I
SEN1
UGATE2
PHASE2
BOOT2
LGATE2
PGND2
ADAPTIVE DEAD-
TIME DIODE
EMULATION PWM/
PFM TRANSITION
MODE CHANGE COMP 2
PG2
EN2
VOUT2
TON2
Generator
VSEN2
SOFT2
ISEN2
OCSET2
Current
Limit 2
0.9V V
OCSET2
89% V
REF
115% V
REF
0.9V
V
REF
4.5µA
-2.2µA
LGATE2
Error
Comparator2
140Ω
70% V
REF
UGATE2
Soft-Start
Soft-Stop
OV2
UV2
OV2
V
CC
I
OCSET2
R
I
SEN2
R
11.4
Block Diagram
1. SSOP-28



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