lx1672 Microsemi Corporation, lx1672 Datasheet - Page 7

• Manufacturer Part Number: lx1672
• Description: Multiple Output Loadshare Pwm
• Manufacturer: Microsemi Corporation

Copyright © 2000
Rev. 1.0, 2005-08-10
Note: With the MLPQ package there is only one PGX output (PG1 and PG2 are common)
LPF1
LPF2
P
TM
HASE
1
EO2
VS2
FB2
RF2
CSS
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
V
Compensation
+
-
REF
V
Amplifier/
CS2
TRIP
20k
Figure 3– Block Diagram of Phase 2 Connected in LoadSHARE Mode
SS
Error Comp
I
SET
+
CS Comp
-
+
-
I
RESET
SS1
SS2
Oscillator
Ramp
Integrated Products Division
R
B L O C K D I A G R A M
SET
R
S
PWM
F
®
R
FAULT
DIS 2
Microsemi
Q
Q
UVLO
S
S
S
UVLO
TEMP
Multiple Output LoadSHARE™ PWM
Hiccup
P
RODUCTION
16V
16V
5.5V
I
D
SET
HO2
VC2
VCCL
VCC
ATA
LO2
PG2
+5V
+5V
+5V
S
HEET
Vin
C
L2
IN
C
ESR
LX1672
OUT
V out 2
Page 7