参数资料
型号: LX1681CDM
元件分类: 稳压器
英文描述: 1 A SWITCHING CONTROLLER, 230 kHz SWITCHING FREQ-MAX, PDSO8
封装: PLASTIC, SOIC-8
文件页数: 9/9页
文件大小: 145K
代理商: LX1681CDM
V O L T AGE -M ODE PWM C ONTROLLERS
LX1681/1682
PRODUCT DA T ABOOK 1996/1997
9
Copyright 1999
Rev. 1.0 5/99
P RODUCTION D AT A S HEET
APPLICA TION INFORMA TION
FIGURE 3 — Current Sensing Using Sense Resistor
FIGURE 4 — Bootstrap Circuit For 5V Only Operation
LX1681
V
BOOST
12V
8
7
6
5
4
3
2
1
V
FB
SS
N.C.
GND
V
CC
CS
V
C1
TDRV
V
IN
5V
C
SS
V
OUT
R
SET
R
1
R
2
C
3
C
1
Q
1
D
2
L
1
C
2
0.1F
R
SENSE
LX1682
8
7
6
5
4
3
2
1
V
FB
SS
GND
BDRV
V
CC
CS
V
C1
TDRV
V
IN
5V
C
SS
V
OUT
R
SET
R
1
R
2
C
2
L
1
Q
1
Q
2
C
1
C
4
0.1F
D
2
PRODUCTION DATA - Information contained in this document is proprietary to LinFinity, and is current as of publication date. This document
may not be modified in any way without the express written consent of LinFinity. Product processing does not necessarily include testing of
all parameters. Linfinity reserves the right to change the configuration and performance of the product and to discontinue product at any time.
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