isl62871 Intersil Corporation, isl62871 Datasheet - Page 6

• Manufacturer Part Number: isl62871
• Description: Pwm Dc/dc Controller With Vid Inputs For Portable Gpu Core-voltage Regulator
• Manufacturer: Intersil Corporation

Application Schematics
EXT_REF
EXT_REF
FIGURE 6. ISL62872 APPLICATION SCHEMATIC WITH EXTERNAL REFERENCE INPUT AND DCR CURRENT SENSE
FIGURE 7. ISL62871 APPLICATION SCHEMATIC WITH EXTERNAL REFERENCE INPUT AND DCR CURRENT SENSE
C
PVCC
GPIO
GPIO
GPIO
+5V
+5V
VCC
VCC
GPIO
PGND
C
SREF
SREF
SET0
SET1
GND
VID0
GND
VID1
VID0
PVCC
EN
EN
6
2
3
4
5
6
7
8
9
1
2
3
4
(Continued)
R
VCC
R
VCC
12
10
11
9
19
18
17
16
15
14
13
12
BOOT
UGATE
PHASE
OCSET
VCC
BOOT
UGATE
PHASE
NC
OCSET
VO
FB
ISL62871, ISL62872
C
VCC
C
BOOT
C
C
BOOT
R
VCC
COMP
R
COMP
R
FB
R
FB
Q
Q
HS
LS
Q
Q
HS
LS
C
COMP
C
COMP
C
OCSET
C
R
L
OCSET
O
O
R
L
O
O
0.5V TO 3.3V
3.3V TO 25V
0.5V TO 3.3V
3.3V TO 25V
CIN
V
CO
V
OUT
CIN
V
CO
IN
V
OUT
C
C
IN
C
C
CIN
CO
CIN
CO
B
B
B
B
August 14, 2008
FN6707.0