LX1675 Ver la hoja de datos (PDF) - Microsemi Corporation
Número de pieza
componentes Descripción
Lista de partido
LX1675 Datasheet PDF : 19 Pages
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TM
R1
R2
EOx
FBx
SSx
CSS
LX1675
®
Multiple Output LoadSHARE™ PWM
PRODUCTION DATA SHEET
SIMPLIFIED BLOCK DIAGRAM
CSx
RSET
+5V
ISET
50uA
CS Comp
-
+
CLK
PWM
RQ
S
Error Comp
+
4 CYCLE
COUNTER
-
-
+ Amplifier/
Compensation
100mv
SS COMP
-
+
20K
VREF
500k
F FAULT S
R
SSMSK
Hiccup
Vref
BG
+5V
Regulator
RAMP
Ramp
Oscillator
CLK
UVLO
TSD
VCx
HOx
HRx
LOx
PGx
VIN
+
VIN
+5V
+
VCCL
FS
AGND
SF
Figure 1 – Typical Block Diagram for Phases 1, and 3
SSL
CSS
LDFB
VSLR
20K
VREF
9.6V
Regualtor
+ LDOEA
-
500k
F LDOFLT
VIN
CIN
LDGD
VOUT4
+
VIN
CIN
LX
ESR
COUT
OUT X
SF
Figure 2 – LDO Controller Block Diagram
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 6
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