ISL6420A Datasheet, PDF (3/21 Pages) Intersil Corporation – Advanced Single Synchronous Buck Pulse-Width Modulation PWM Controller

Block Diagram
REFOUT
INTERNAL
0.6V
ENSS
VCC5
VIN
10µA
ENSS
SSDONE
POWER-ON
RESET (POR)
INTERNAL SERIES
LINEAR
OTP
100µA
GPIO1/REFIN
GPIO2
VMSET/MODE
VOLTAGE SSDONE
MARGINING
CONTROL
FAULT LOGIC
CDEL
FB
COMP
PGOOD
SS
V_REF
EA
PGOOD
COMP
OV/UV
COMP
PWM
COMP
OSCILLATOR
SSDONE
GATE
CONTROL
LOGIC
SGND
RT
EP (QFN ONLY)
OCSET
BOOT
UGATE
PHASE
PVCC
LGATE
PGND