ISL95870, ISL95870A, ISL95870B
Applications Schematics: ISL95870B
+5V
RVCC
CPVCC
CVCC
RFB1
RTN1
GPIO
RSET1
RTN 1
VID1 2
VID0 3
SREF 4
SET0 5
SET1 6
GND
BOOT
16
UGATE
15
PHASE
14
EN
13
PGOOD
12
11 FSEL
CBOOT
QHS
QLS
LO
CSEN
VIN
3.3V TO 25V
CIN
VOUT
0.5V TO 5V
CO
RTN1
RSET3
RFB
RO
0
FIGURE 6. ISL95870B APPLICATION SCHEMATIC WITH FOUR OUTPUT VOLTAGE SETPOINTS AND DCR CURRENT
SENSE
+5V
CPVCC
RFB1
RTN1
GPIO
RSET1
RTN 1
VID1 2
VID0 3
SREF 4
SET0 5
SET1 6
RVCC
GND
CVCC
BOOT
16
UGATE
15
PHASE
14
EN
13
PGOOD
12
11 FSEL
CBOOT
QHS
LO
QLS
VIN
3.3V TO 25V
CIN
RSEN
VOUT
0.5V TO 5V
CSEN
CO
RTN1
RSET3
RFB
RO
0
FIGURE 7. ISL95870B APPLICATION SCHEMATIC WITH FOUR OUTPUT VOLTAGE SETPOINTS AND RESISTOR
CURRENT SENSE
4
FN6899.0
December 22, 2009