lx1675 Microsemi Corporation, lx1675 Datasheet - Page 7

• Manufacturer Part Number: lx1675
• Description: Multiple Output Loadshare?? Pwm Production Data Sheet
• Manufacturer: Microsemi Corporation

Copyright © 2004
Rev. 1.2a, 2006-02-16
Phase 1
LPF2
LPF1
CSS
TM
EO2
FB2
RF2
SS2
Compensation
+
-
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
Amplifier/
CS2
500k
50uA
I
SET
CS Comp
20K
+
-
Figure 3 – Block Diagram of Phase 2 Connected in LoadSHARE Mode
Error Comp
+
-
V
REF
100mv
CLK
SSMSK
COUNTER
4 CYCLE
+
-
AGND
F
S I M P L I F I E D B L O C K D I A G R A M
SS COMP
FAULT
R
R
S
PWM
Integrated Products Division
R
Q
SET
S
Microsemi
®
Hiccup
Multiple Output LoadSHARE™ PWM
Vref
BG
UVLO
TSD
Regulator
RAMP
CLK
+5V
P
Oscillator
RODUCTION
Ramp
HO2
HR2
LO2
PGx
VC2
VIN
VCCL
D
FS
ATA
+5V
VIN
+5V
S
+
+
HEET
VIN
L2
C
ESR
OUT
C
IN
LX1675
OUT 2
Page 7