ISL62873 Datasheet, PDF (4/17 Pages) Intersil Corporation – PWM DC/DC Controller with VID Inputs for Portable GPU Core-Voltage Regulator

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