ISL6540_06 Datasheet, PDF (5/20 Pages) Intersil Corporation – Single-Phase Buck PWM Controller with Integrated High Speed MOSFET Driver and Pre-Biased Load Capability

ISL6540
Typical Application III (Dual Data Rate I or II)
VDDQ
1.8V or 2.5V
5V
R_EN1
C_F1
VIN
VFF
EN
L_IN
R_CC
D_BOOT
C_F2
VCC
PVCC
BOOT
HSOC
R_HSOC
R_EN2
C_F4
1K
15nF
REFIN
REFOUT
1K
DIMM
PG
C_{PG_DLY}
PG_DLY
R_FS
FS
ISL6540
UGATE
C_HSOC
PHASE
LGATE
PGND
LSOC
R_LSOC
COMP ^CLSOC
C_HFIN
Q1
Q2
C_BIN
C_BOOT
L_OUT
C_HFOUT
R_OFS+
MARCTRL
OFS+
R_MARG
R_OFS-
OFS-
SS
C_SS
Z_FB
C₂
C₁
R₂
FB
VMON
VSEN+
VSEN-
C₃
R₃
R₁ ^ZIN
C_SEN
R_FB
LINDRV GND GND
V_TT
1.25V (DDR I)
0.9V (DDR II)
C_BOUT
5
FN9214.0
March 9, 2006