ISL95870, ISL95870A, ISL95870B
Applications Schematics: ISL95870A
+5V
RVCC
RFB1
RTN1
CPVCC
GPIO
PGND
2
GND
3
RTN
4
VID1
5
VID0
6
SREF
7
SET0
8
SET1
9
VCC
19
BOOT
18
UGATE
17
PHASE
16
EN
15
PGOOD
14
FSEL
13
VO
12
CVCC
CBOOT
QHS
QLS
VIN
3.3V TO 25V
CIN
LO
CSEN
VOUT
0.5V TO 5V
CO
RTN1
RO
RSET1 RSET2 RSET3
RFB
ROFS
0
FIGURE 4. ISL95870A APPLICATION SCHEMATIC WITH FOUR OUTPUT VOLTAGE SETPOINTS AND DCR CURRENT
SENSE
+5V
RVCC
RFB1
RTN1
CPVCC
GPIO
PGND
2
GND
3
RTN
4
VID1
5
VID0
6
SREF
7
SET0
8
SET1
9
VCC
19
BOOT
18
UGATE
17
PHASE
16
EN
15
PGOOD
14
FSEL
13
VO
12
CVCC
CBOOT
QHS
LO
QLS
VIN
3.3V TO 25V
CIN
RSEN
CSEN
RO
VOUT
0.5V TO 5V
CO
RTN1
RSET1 RSET2 RSET3
RFB
ROFS
0
FIGURE 5. ISL95870A APPLICATION SCHEMATIC WITH FOUR OUTPUT VOLTAGE SETPOINTS AND RESISTOR
CURRENT SENSE
3
FN6899.0
December 22, 2009