ISL6269B Datasheet, PDF (2/14 Pages) Intersil Corporation – High-Performance Notebook PWM Controller with Audio-Frequency Clamp

Block Diagram
VIN
GND
VCC
EN
PACKAGE BOTTOM
V_REF
−
OVP
−
UVP
+
EA
FB
COMP
ISEN
−
OCP
I_OC
30Ω
PGOOD
+
g_mV_IN
+
g_mV_O
PWM FREQUENCY
CONTROL
+
−^VW
+
+
−
C_R
V_R
V_COMP
+
R
PWM _Q
S
POR DIGITAL SOFT-START
90Ω
60Ω
150°OT
FIGURE 1. SCHEMATIC BLOCK DIAGRAM
DRIVER
SHOOT THROUGH
PROTECTION
DRIVER
VO
FSET
BOOT
UG
PHASE
PVCC
LG
PGND
FCCM