LX1675 Ver la hoja de datos (PDF) - Microsemi Corporation
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LX1675 Datasheet PDF : 19 Pages
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LX1675
TM
®
Multiple Output LoadSHARE™ PWM
PRODUCTION DATA SHEET
LPF2
EO2
FB2
RF2
LPF1
SS2
Phase 1
CSS
SIMPLIFIED BLOCK DIAGRAM
CS2
RSET
+5V
ISET
50uA
CS Comp
-
+
CLK
PWM
RQ
S
Error Comp
4 CYCLE
COUNTER
+
-
-
+ Amplifier/
Compensation
100mv
SS COMP
-
+
20K
VREF
Hiccup
500k
F FAULT S
R
SSMSK
AGND
Vref
BG
+5V
Regulator
RAMP
Ramp
Oscillator
CLK
UVLO
TSD
VC2
HO2
HR2
LO2
PGx
VIN
+
VIN
+5V
+
VCCL
FS
Figure 3 – Block Diagram of Phase 2 Connected in LoadSHARE Mode
VIN
CIN
L2
ESR
COUT
OUT 2
Copyright © 2004
Rev. 1.2a, 2006-02-16
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 7
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