isl62871 Intersil Corporation, isl62871 Datasheet - Page 4

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

Application Schematics
FIGURE 3. ISL62872 APPLICATION SCHEMATIC WITH FOUR OUTPUT VOLTAGE SETPOINTS AND RESISTOR CURRENT SENSE
FIGURE 2. ISL62872 APPLICATION SCHEMATIC WITH FOUR OUTPUT VOLTAGE SETPOINTS AND DCR CURRENT SENSE
+5V
+5V
GPIO
GPIO
R
R
SET1
SET1
C
C
R
R
PVCC
PVCC
SET2
SET2
PGND
PGND
SREF
SREF
SET0
SET1
SET0
SET1
R
R
GND
VID1
VID0
GND
VID1
VID0
VCC
VCC
EN
EN
R
R
4
SET3
SET3
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
VCC
VCC
19
18
17
16
15
14
13
12
19
18
17
16
15
14
13
12
GPIO
GPIO
VCC
BOOT
UGATE
PHASE
NC
OCSET
VO
FB
VCC
BOOT
UGATE
PHASE
NC
OCSET
VO
FB
ISL62871, ISL62872
C
C
C
C
BOOT
BOOT
VCC
VCC
R
R
COMP
COMP
R
R
FB
FB
Q
Q
Q
Q
HS
LS
HS
LS
C
C
COMP
COMP
L
O
C
OCSET
R
L
C
R
O
O
OCSET
R
SNS
O
0.5V TO 3.3V
0.5V TO 3.3V
3.3V TO 25V
3.3V TO 25V
CIN
CIN
V
V
CO
CO
V
V
OUT
OUT
IN
IN
C
C
C
C
CIN
CIN
CO
CO
B
B
B
B
August 14, 2008
FN6707.0