isl6556b Intersil Corporation, isl6556b Datasheet - Page 3

• Manufacturer Part Number: isl6556b
• Description: Optimized Multiphase Pwm Controller With 6-bit Dac And Programmable Internal Temperature Compensation For Vr10.x Application
• Manufacturer: Intersil Corporation

ISL6565BCB Block Diagram
TCOMP
VID12.5
COMP
RGND
VSEN
VID4
VID3
VID2
VID1
VID0
OFS
REF
FB
DYNAMIC
OFFSET
+200mV
VID
D/A
OVP
x1
T
3
VDIFF PGOOD
FAULT LOGIC
SOFT-START
AND
S
E/A
OC
LATCH
OVP
OVP
I_TOT
Q
I_TRIP
R
ISL6556B
∑
∑
∑
∑
∑
GENERATOR
CLOCK AND
SAWTOOTH
∑
RESET (POR)
POWER-ON
GND
CHANNEL
CURRENT
BALANCE
VCC
PWM
PWM
PWM
PWM
CHANNEL
SAMPLE
DETECT
HOLD
&
THREE-STATE
CHANNEL
CURRENT
SENSE
1.24V
December 28, 2004
FS
EN
PWM2
PWM3
PWM4
ISEN3
PWM1
ISEN1
ISEN2
ISEN4
FN9097.4