LX1684CD-TR MICROSEMI [Microsemi Corporation], LX1684CD-TR Datasheet - Page 4

• Manufacturer Part Number: LX1684CD-TR
• Description: Voltage-Mode PWM Controller
• Manufacturer: MICROSEMI [Microsemi Corporation]

Copyright © 2000
Rev. 1.0c, 2005-03-08
V
FB
4
1
TM
VCSP
20k
12
V
Com pensation
+
3
-
REF
V
320k
Am plifier/
C
CS
TRIP
R
SS
SS/ENABLE
SS
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
I
SET
Error Com p
CS Com p
+
+
-
-
Hiccup
I
RESET
V
Hiccup
RESET
O scillator
Ramp
R
S
PW M
Integrated Products Division
Q
Q
B L O C K D I A G R A M
®
Microsemi
UVLO
R
SET
UVLO
Voltage-Mode PWM Controller
P
RODUCTION
I
SET
10
14
8
7
6
5
D
+17.5V
ATA
TDRV
BDRV
PG ND
V
V
G ND
CC
C1
S
+5V
HEET
V
IN
(+12V)
C
L
IN
ESR
C
LX1684
O UT
R
1
R
2
V
CO RE
Page 4