lx1672 Microsemi Corporation, lx1672 Datasheet - Page 6

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

Copyright © 2000
Rev. 1.0, 2005-08-10
TM
EO1
VS1
FB1
V
Compensation
+
-
REF
VOUT3
V
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
Amplifier/
C
CS1
TRIP
20k
SS
SS
I
Error Comp
SET
+
-
CS Comp
+
-
+V
I
RESET
SS1
SS2
Figure 1 – Block Diagram of PWM Phase 1
Figure 2 – LDO Controller Block Diagram
Oscillator
Ramp
R
SET
F
R
S
R
Integrated Products Division
PWM
FAULT
B L O C K D I A G R A M
+5V
Q
Q
®
DIS1
Microsemi
S
S
S
UVLO
UVLO
LDFB
LDGD
LDDIS
Multiple Output LoadSHARE™ PWM
V
(MLP Only)
REF
Hiccup
TEMP
PWGD
P
RODUCTION
-
16V
16V
5.5V
I
SET
VC1
VCCL
HO1
LO1
PG1
V
D
+12V
CC
+5V
ATA
+5V
S
VC1
HEET
V in
+12V
C
L1
IN
C
ESR
OUT
R
1
LX1672
R
2
V out 1
Page 6