ISL6564 Datasheet, PDF (3/27 Pages) Intersil Corporation – Multi-Phase PWM Controller with Linear 6-bit DAC Capable of Precision rDS(ON) or DCR Differential Current Sensing

ISL6564CR Block Diagram
ISL6564
RGND
VSEN
VDIFF PGOOD
OVP
DRVEN
VCC
x1
S ^{OVP R}
LATCH
POWER-ON
RESET (POR)
Q
ENLL
1.29V
EN
OVP
+200mV
SOFT START
AND
FAULT LOGIC
CLOCK AND
SAWTOOTH
GENERATOR
∑
PWM
THREE-STATE
FS
PWM1
OFS
OFFSET
∑
PWM
PWM2
REF
DAC
VID5
VID4
VID3
VID2
VID1
VID0
COMP
FB
IDROOP
DYNAMIC
VID
D/A
IOUT
∑
PWM
PWM3
∑
PWM
E/A
I_TRIP
OC
∑
CHANNEL
CURRENT
BALANCE
I_TOT
CHANNEL
DETECT
SAMPLE
&
HOLD
GND
CHANNEL
CURRENT
SENSE
PWM4
ISEN1+
ISEN1-
ISEN2+
ISEN2-
ISEN3+
ISEN3-
ISEN4+
ISEN4-
3
FN9156.2
December 27, 2004