isl62871 Intersil Corporation, isl62871 Datasheet - Page 3

• Manufacturer Part Number: isl62871
• Description: Pwm Dc/dc Controller With Vid Inputs For Portable Gpu Core-voltage Regulator
• Manufacturer: Intersil Corporation

Block Diagram
*SET1
*SET2
SREF
*VID1
SET0
VID0
GND
FB
*ISL62872 ONLY
500mV
SW3
FIGURE 1. SIMPLIFIED FUNCTIONAL BLOCK DIAGRAM OF ISL62872, ISL62871
VID DECODER
INT
SW2
−
+
EA
SW1
EXT
SW4
+
−
100pF
SW0
V
V
COMP
VREF
SET
EN
−
OVP
+
−
UVP
+
FB
FAULT
POR
V
W
VCC
H
L
IN
RUN
FAULT
g
V
g
m
R
m
OCP
V
V
IN
O
−
+
OTP
PWM
PWM
C
VCC
r
RUN
RUN
SHOOT-THROUGH
PROTECTION
+
−
+
−
DRIVER
DRIVER
I
OCSET
10µF
100kΩ
BOOT
UGATE
PHASE
PVCC
LGATE
PGND
VO
OCSET
PGOOD