isl62881 Intersil Corporation, isl62881 Datasheet - Page 9

• Manufacturer Part Number: isl62881
• Description: Single-phase Pwm Regulator For Imvp-6.5? Mobile Cpus And Gpus
• Manufacturer: Intersil Corporation

Simplified Application Circuits
FIGURE 2. ISL62881 TYPICAL APPLICATION CIRCUIT USING RESISTOR SENSING
FIGURE 3. ISL62881B TYPICAL APPLICATION CIRCUIT USING DCR SENSING
D P R S LP V R
9
V ID < 0 :6 >
C L K _ E N #
DPRSLPVR
VID<0:6>
V C C
V S S
V R _ T T #
CLK_EN#
P G O O D
V R _ O N
VCC
VSS
PGOOD
VR_ON
IM O N
IMON
S EN S E
S EN S E
R
SENSE
SENSE
R
D R O O P
DROOP
O C
R
R
R
IM O N
IMON
R
B IA S
BIAS
ISL62881, ISL62881B
RF
RF
SET
SET
V + 5
V+5
R
N TC
V R _ TT #
P G O O D
C LK _ E N #
V ID S
D P R S LP V R
V R _ O N
V W
C O M P
FB
V SE N
R T N
IM O N
RBIAS
PGOOD
CLK_EN#
VIDS
DPRSLPVR
VR_ON
VW
COMP
FB
VSEN
RTN
IMON
VDD
V
(BOTTOM PAD)
B IA S
D D
IS L 6 2 8 8 1 B
ISL62881
VCCP
V C C P
G N D
(Continued)
VSS
V+5
V + 5
LG A TE A
LG A T E B
ISUM+
UGATE
PHASE
IS U M +
LGATE
U G A T E
P H A S E
ISUM-
ISU M -
BOOT
VSSP
B O O T
V S S P
VIN
VIN
V
V
IN
IN
CIS
RIS
CIS
RIS
RI
CN
R I
C N
O C
R
R N
SUM
VIN
R S U M
L
V
IN
L
RSEN
V O
V O
October 26, 2009
FN6924.0