ISL62875 Datasheet, PDF (4/22 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
FAULT
RUN
H
L
V_W
IN
PWM
RUN
DRIVER
OTP
SHOOT-THROUGH
PROTECTION
PWM
DRIVER
RUN
VCC
g_mV_IN
+
−
C_r
V_R
+
g_mV_O
−
VID DECODER
INT
500mV
EXT
SW4
VREF
FB
−
UVP
+
FAULT
−
OCP
+
FIGURE 4. SIMPLIFIED FUNCTIONAL BLOCK DIAGRAM OF ISL62875
I_OCSET
10µA
BOOT
UGATE
PHASE
PVCC
LGATE
PGND
VO
OCSET
PGOOD