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ISL6540A Datasheet, PDF (4/22 Pages) Intersil Corporation – Single-Phase Buck PWM Controller with Integrated High Speed MOSFET Driver and Pre-Biased Load Capability
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ISL6540A
Typical Application II (External Linear Regulator without Remote Sense)
VIN
RDRV
RVIN
CLC RLC
* * CF1 RCC
VCC
LINDRV
CF3
RVFF
VIN
CVFF
VCC
VFF
REFOUT
REFIN
1kΩ EN
PG
CPG_DLY
PG_DLY
ISL6540A
FS
RFS
ROFS+
MARCTRL
OFS+
LIN
DBOOT
CF2
CHFIN
PVCC
BOOT
HSOC
RHSOC
CHSOC
UGATE
Q1
PHASE
LGATE
Q2
PGND
LSOC
RLSOC
CLSOC
COMP
C1
FB
ZFB
C2
R2
CBIN
* Note: RCC*CF1<10µs
CBOOT
LOUT
CHFOUT
VOUT
CBOUT
C3
R3
ZIN
R1
RMARG
ROFS-
CSS
OFS-
SS
GND GND
VMON
VCC
VSEN+
VSEN-
ROS
Rvmon1
RvmonOS
4
FN6288.5
October 7, 2008
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