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| ISL62881C_14 Datasheet, PDF (9/37 Pages) Intersil Corporation – Single-Phase PWM Regulator for IMVP-6.5 Mobile CPUs and GPUs | |||
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ISL62881C, ISL62881D
Gate Driver Timing Diagram
PWM
UGATE
tLGFUGR
tRU
tFU
1V
LGATE
1V
tFL
tRL
tUGFLGR
Simplified Application Circuits
V+5 V+5 VIN
R BIAS
VDD VCCP VIN
RBIAS
PGOOD
CLK_EN#
VID<0:6>
DPRSLPVR
VR_ON
RDROOP
PGOOD
CLK_EN#
VIDS
DPRSLPVR
VR_ON
VW
ISL62881C
RFSET
BOOT
UGATE
COMP
FB
PHASE
LGATE
VSSP
VSEN
ISU M +
VIN
L
VO
RSUM
V C C SENSE
V S S SENSE
R IM ON
IM O N
RTN
IM O N
ISUM-
(BOTTOM PAD)
VSS
RN
CN °C
RI
FIGURE 1. ISL62881C TYPICAL APPLICATION CIRCUIT USING DCR SENSING
9
FN7596.0
March 8, 2010
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