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Número de pieza
componentes Descripción
LX1684 Ver la hoja de datos (PDF) - Microsemi Corporation
Número de pieza
componentes Descripción
Fabricante
LX1684
Voltage-Mode PWM Controller
Microsemi Corporation
LX1684 Datasheet PDF : 12 Pages
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LX1684
TM
®
Voltage-Mode PWM Controller
P
RODUCTION
D
ATA
S
HEET
BLOCK DIAGRAM
VCSP
4
1
20k
V
FB
CS
12
V
T R IP
320k
CS Comp
-
I
RESET
+
I
SET
-
Error Comp
+
+
Amplifier/
Com pensation
-
V
RESET
V
REF
R
SS
Hiccup
Hiccup
PW M
RQ
SQ
3
SS/ENABLE
C
SS
Ramp
O scilla to r
R
SET
UVLO
UVLO
I
SET
+17.5V
10
V
C1
V
IN
(+12V)
C
IN
8
TDRV
L
7
BDRV
6
PGND
5
GND
+5V
14
V
CC
R
2
R
1
ESR
C
OUT
V
CORE
Copyright
©
2000
Rev. 1.0c, 2005-03-08
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 4
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