ISL6540_06 Datasheet, PDF (3/20 Pages) Intersil Corporation – Single-Phase Buck PWM Controller with Integrated High Speed MOSFET Driver and Pre-Biased Load Capability

ISL6540
Typical Application I (Internal Linear Regulator with Remote Sense)
+3.3V to +20V
R_CC
C_F1
L_IN
D_BOOT
C_F2
R_BOOT
C_HFIN
C_BIN
VCC
PVCC
VIN Internal 5.6V Bias
Linear Regulator
VFF
BOOT
HSOC
R_HSOC
C_F3
VCC
EN
REFIN
REFOUT
PG
C_{PG_DLY PG_DLY}
R_FS
FS
ISL6540
C_HSOC
UGATE
Q1
PHASE
LGATE
PGND
Q2
LSOC ^RLSOC
C_LSOC
COMP
C_BOOT
L_OUT
C_HFOUT
MARCTRL
R_OFS+
R_MARG
R_OFS-
OFS+
OFS-
SS
C_SS
C₁
FB
VMON
VSEN+
C₂
Z_FB
R₂
LINDRV
GND GND
VSEN-
C₃
R₃
R₁ ^ZIN
C_SEN
R_FB
R_OS
V_OUT
C_BOUT
10Ω
10Ω
V_SENSE+
V_SENSE-
3
FN9214.0
March 9, 2006