ISL6565A Datasheet, PDF (3/28 Pages) Intersil Corporation – Multi-Phase PWM Controller with Precision rDS(ON) or DCR Current Sensing for VR10.X Application

ISL6565A Block Diagram
ISL6565A, ISL6565B
VDIFF PGOOD
OVP
VCC
ENLL
RGND
x1
VSEN
S ^OVP R
LATCH
Q
SHUNT
REGULATOR
POWER-ON
RESET
UVP
OVP
SOFT-START
AND
FAULT LOGIC
CLOCK AND
SAWTOOTH
GENERATOR
1.24V
EN
FS
VID4
VID3
VID2
VID1
VID0
VID12.5
REF
FB
COMP
OFS
TCOMP
+200mV
x 0.75
∑
PWM
PWM1
DYNAMIC
VID
D/A
∑
OFFSET
TEMP
COMP
∑
PWM
∑
PWM
E/A
I_TRIP
OC
CHANNEL
CURRENT
BALANCE
I_AVG
1
N
∑
CHANNEL
OCP
PWM2
PWM3
CHANNEL
DETECT
CHANNEL
CURRENT
SENSE
ISEN1
ISEN2
ISEN3
GND
NC
3