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SC1403 датащи(PDF) 8 Page - Semtech Corporation

номер детали SC1403
подробное описание детали  Mobile Multi-Output PWM Controller with Virtual Current SenseTM
PDF  30 Pages
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производитель  SEMTECH [Semtech Corporation]
домашняя страница  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC1403 датащи(HTML) 8 Page - Semtech Corporation

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 2002 Semtech Corp.
www.semtech.com
SC1403
PRELIMINARY
POWER MANAGEMENT
PRELIMINARY
Pin Descriptions (Cont.)
2.5V
REF
V+
+3.3V
VL
VIN
VL
BST3
DH3
LX3
DL3
CSH3
CSL3
COMP3
REF
TIME/ON5
RUN/ON3
SEQ
RESET
COMP5
CSL5
CSH5
PGND
DL5
LX5
DH5
BST5
VL
SYNC
V+
PSAVE
5V
REG
EN
DELAY
CSL5
VL
LS
OSC
LS
HS
VL
50mV
7.5mV
2.5mV
3V
CTL
LOGIC
OC
PS
POL
50mV
7.5mV
2.5mV
OC
PS
POL
5V
CTL
LOGIC
PWM
MODULATOR
PWM
MODULATOR
OV FAULT
+10%
-25%
UV FAULT
3
VL
2
POW ER-ON
SEQUENCE
LOGIC
0.5
2.0
SS
TIMER
BV
DELAY
+5V
VIN
FB5
0.6
FB3
0.6V
CURRENT
RAMP
V+
CSL3
CSL5
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Note: All logic level inputs and outputs are open collector TTL compatible.
Block Diagram



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