lx1672 Microsemi Corporation, lx1672 Datasheet - Page 12

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

Copyright © 2000
Rev. 1.0, 2005-08-10
Where V1 = 1.5467 ; V2 = 1.5733 and
.
Switch
Switch
Side
Side
L1,
L2,
TM
Resistor
Divider
100
Resistor
Divider
100
TBD
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
62k
Used
Not
LPF2
62k
T H E O R Y O F O P E R A T I O N
4700pF
Figure 8 – LoadSHARE™ Using Feedback Divider Offset
62k
LPF1
4700pF
K =
V
V
Integrated Products Division
-
1
2
then
Phase 2
Error Am p
®
Microsemi
TBD
=
K
1
Multiple Output LoadSHARE™ PWM
×
−
100
K
PW M
Input
( C O N T I N U E D )
=
5.814
Generator
P
Voltage
Offset
RODUCTION
+46.7m V
+73.3m V
K
1.5V
1.5V
V1
V2
+
-
+3.3V @ 11W
+5V @ 7W
D
Phase 1
Phase 2
ATA
ESR L1
ESR L2
10m
10m
Ω
Ω
S
HEET
4.67A
7.33A
1.5V @ 12A
LX1672
Vout1
18W
Page 12