ISL95872 Datasheet, PDF (2/17 Pages) Intersil Corporation – Output Voltage Remote Sense

Application Schematics
+5V
R_VCC
C_PVCC
ISL95872
C_VCC
RTN1 ^RFB1
GND
1
RTN
2
GPIO
EN
3
REFIN
4
BOOT
12
UGATE
11
PHASE
10
PGOOD
9
C_BOOT
Q_HS
Q_LS
External
Reference
Voltage
R_OFS
R_FB
V_IN
3.3V TO 25V
CIN
L_O
C_SEN
R_O
V_OUT
0.5V TO 3.3V
CO
RTN1
0
FIGURE 2. ISL95872 APPLICATION SCHEMATIC WITH ONE OUTPUT VOLTAGE SETPOINT AND DCR CURRENT SENSE
+5V
R_VCC
C_PVCC
C_VCC
V_IN
3.3V TO 25V
CIN
RTN1 ^RFB1
GND
1
RTN
2
GPIO
EN
3
REFIN
4
BOOT
12
UGATE
11
PHASE
10
PGOOD
9
C_BOOT
Q_HS
L_O
Q_LS
R_SEN
C_SEN
V_OUT
0.5V TO 3.3V
CO
RTN1
External
R₁
Reference
Voltage
R₂
R_FB
R_O
0
FIGURE 3. ISL95872 APPLICATION SCHEMATIC WITH ONE OUTPUT VOLTAGE SETPOINT AND RESISTOR CURRENT SENSE
2
FN7974.0
January 26, 2012