ISL62871 Datasheet, PDF (3/25 Pages) Intersil Corporation – PWM DC/DC Controller With VID Inputs For Portable GPU Core-Voltage Regulator

Block Diagram
FB
SREF
SET0
*SET1
*SET2
*VID1
VID0
GND
EN
VCC
POR
100kΩ
−
EA
+
V_COMP
100pF
+
V_SET
−
SW0
SW1
SW2
SW3
VID DECODER
*ISL62872 ONLY _EXT
INT
500mV
SW4
VREF
FAULT
V_W
RUN
H
L
IN
PWM
RUN
DRIVER
OTP
SHOOT-THROUGH
PROTECTION
PWM
DRIVER
RUN
g_mV_IN
VCC
+
−
C_r
V_R
+
g_mV_O
−
−
OVP
+
FB
−
UVP
+
FAULT
−
OCP
+
I_OCSET
10µF
FIGURE 1. SIMPLIFIED FUNCTIONAL BLOCK DIAGRAM OF ISL62872, ISL62871
BOOT
UGATE
PHASE
PVCC
LGATE
PGND
VO
OCSET
PGOOD