ISL62881_14 Datasheet, PDF (11/35 Pages) Intersil Corporation – Single-Phase PWM Regulator for IMVP-6.5 Mobile CPUs and GPUs

ISL62881, ISL62881B
Simplified Application Circuits (Continued)
V+5 V+5 V_IN
RBIAS
V_DD VCCP V_IN
R_BIAS
OC
VR_TT#
PGOOD
CLK_EN#
VID<0:6>
DPRSLPVR
VR_ON
NTC
VR_TT#
PGOOD
CLK_EN#
VIDS
DPRSLPVR
VR_ON
VW
ISL62881B
RFSET
BOOT
UGATE
RDROOP
COMP
FB
VSEN
PHASE
LGATEB
LGATEA
VSSP
ISUM+
VCC_SENSE
VSSSENSE
R_IMON
IMON
RIS
RTN
CN
CIS
RI
IMON
ISUM-
VSS
VIN
L
RSUM
RSEN
VO
FIGURE 4. ISL62881B TYPICAL APPLICATION CIRCUIT USING RESISTOR SENSING
11
FN6924.3
June 16, 2011