ISL62881_14 Datasheet, PDF (10/35 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 VIN
R BIAS
VDD VC C P VIN
R BIAS
OC
VR_TT#
PGOOD
CLK_EN#
V ID < 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
IS U M +
V IN
L
VO
RSUM
VCCSENSE
VSSSENSE
R IMON
IM O N
RIS
RTN
CIS
IM O N
IS U M -
GND
RN
CN ^OC
RI
FIGURE 3. ISL62881B TYPICAL APPLICATION CIRCUIT USING DCR SENSING
10
FN6924.3
June 16, 2011