ISL6540A Datasheet, PDF (3/22 Pages) Intersil Corporation – Single-Phase Buck PWM Controller with Integrated High Speed MOSFET Driver and Pre-Biased Load Capability

ISL6540A
Typical Application I (Internal Linear Regulator with Remote Sense)
V_IN
R_VIN
* C_F1
* ^RCC
L_IN
C_F2
D_BOOT
C_HFIN
C_BIN
VIN
R_VFF
VFF
C_F3
C_VFF
VCC
EN
REFIN
REFOUT
PG
C_{PG_DLY PG_DLY}
FS
R_FS
MARCTRL
R_OFS+
R_MARG
R_OFS-
OFS+
OFS-
SS
C_SS
VCC
PVCC
INTERNAL 5.6V BIAS
LINEAR REGULATOR
BOOT
HSOC
R_HSOC
C_HSOC
UGATE
Q1
C_BOOT
L_OUT
ISL6540A
PHASE
LGATE
PGND
Q2
LSOC
R_LSOC
C_HFOUT
C_LSOC
COMP
C₁
FB
VMON
C₂
Z_FB
R₂
C₃
R₃
R₁ ^ZIN
VSEN+
R_FB
LINDRV
GND GND
VSEN-
C_SEN
R_OS
* ^{Note: R}CC^*CF1^<10µs
V_OUT
C_BOUT
10Ω
10Ω
V_SENSE+
V_SENSE-
3
FN6288.5
October 7, 2008