ISL6263 Datasheet, PDF (5/19 Pages) Intersil Corporation – 5-Bit VID Single-Phase Voltage Regulator for IMVP-6+ Santa Rosa GPU Core

ISL6263
Simplified Application Circuit for Resistive Current Sensing
R_VDD
C_VDD
R_RBIAS
C_SOFT
R_I2UA
VDD
RBIAS
SOFT
I2UA
PVCC
VIN
UGATE
BOOT
V_5V
C_PVCC
Q_HS
V_{CC_SNS}
V_{SS_SNS}
PGOOD
VID<0:4>
VR_ON
AF_EN
FDE
VSEN
RTN
PHASE
LGATE
PGND
VW
R_FSET
C_FSET
VSUM
ISL6263
VO
C_BOOT
L_OUT
R_SNS
Q_LS
R_S
C_N
C_COMP1
R_COMP C_COMP2
R_DIFF2
C_DIFF
R_DIFF1
COMP
FB
OCSET
DFB
VDIFF
VSS
DROOP
R_GND
0
R_OCSET R_DRP1
R_DRP2
C_DRP
V_IN
C_IN
V_CCGFX
C_OUT
FIGURE 3. ISL6263 GPU RENDER-CORE VOLTAGE REGULATOR SOLUTION WITH RESISTIVE CURRENT SENSING
5
FN9213.2
June 10, 2010