ISL6540_06 Datasheet, PDF (4/20 Pages) Intersil Corporation – Single-Phase Buck PWM Controller with Integrated High Speed MOSFET Driver and Pre-Biased Load Capability

ISL6540
Typical Application II (External Linear Regulator without Remote Sense)
+3.3V to +20V
R_DRV
C_LC R_LC
LINDRV
C_F3
VCC
C_{PG_DLY}
VIN
VFF
REFOUT
REFIN
EN
PG
PG_DLY
R_FS
FS
R_OFS+
MARCTRL
OFS+
C_F1 ^RCC
VCC
ISL6540
L_IN
D_BOOT
C_F2
R_BOOT
PVCC
BOOT
HSOC
R_HSOC
C_HFIN
C_HSOC
UGATE
Q1
PHASE
LGATE
Q2
PGND
LSOC
R_LSOC
C_LSOC
COMP
C₁
FB
C₂
Z_FB
R₂
C_BIN
C_BOOT
L_OUT
C_HFOUT
C₃
R₃
Z_IN
R₁
R_MARG
R_OFS-
OFS-
SS
C_SS
GND GND
VMON
VCC
VSEN+
VSEN-
R_OS
R_vmon1
R_vmonOS
V_OUT
C_BOUT
4
FN9214.0
March 9, 2006