ISL62873 Datasheet, PDF (3/17 Pages) Intersil Corporation – PWM DC/DC Controller with VID Inputs for Portable GPU Core-Voltage Regulator

ISL62873
Application Schematics
R_VCC
+5V
C_PVCC
C_VCC
GPIO
GND
1
EN
2
VID0
3
SREF
4
BOOT
12
UGATE
11
PHASE
10
OCSET
9
C_BOOT
Q_HS
Q_LS
V_IN
3.3V TO 25V
CIN_C
CIN_B
L_O
C_OCSET
V_OUT
0.5V TO 3.3V
CO_C
CO_B
R_SET1
VCC
R_COMP
R_O
C_COMP
R_FB
GPIO
FIGURE 2. ISL62873 APPLICATION SCHEMATIC WITH TWO OUTPUT VOLTAGE SETPOINTS AND DCR CURRENT SENSE
+5V
GPIO
R_VCC
C_PVCC
C_VCC
GND
1
EN
2
VID0
3
SREF
4
BOOT
12
UGATE
11
PHASE
10
OCSET
9
C_BOOT
Q_HS
L_O
Q_LS
V_IN
3.3V TO 25V
CIN_C
CIN_B
R_SNS
C_OCSET
V_OUT
0.5V TO 3.3V
CO_C
CO_B
R_SET1
VCC
R_O
R_COMP
C_COMP
R_FB
GPIO
FIGURE 3. ISL62873 APPLICATION SCHEMATIC WITH TWO OUTPUT VOLTAGE SETPOINTS AND RESISTOR CURRENT SENSE
3
FN6930.0
June 30, 2009