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LX1681(2005) データシートの表示(PDF) - Microsemi Corporation

部品番号
コンポーネント説明
メーカー
LX1681
(Rev.:2005)
Microsemi
Microsemi Corporation Microsemi
LX1681 Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
PRODUCT DATABOOK 1996/1997
VOLTAGE-MODE PWM CONTROLLERS
PRODUCTION DATA SHEET
BLOCK DIAGRAM
LX1681/1682
CS
7
VCC
VTRIP
20k
1
VFB
320k
CS Comp
IRESET
ISET
Error
Comp
Amplifier/
Compensation
VRESET
VREF
RSET
PWM
RQ
SQ
Set
ISET
+12V VIN (5V)
6
VC1
CIN
R2
5
TDRV
4
BDRV
3
GND
R1
L
ESR
COUT
VCORE
RSS
Hiccup
Hiccup
Ramp
Oscillator
UVLO
UVLO
+5V
8
VCC
2
SS/ENABLE
CSS
FIGURE 1 — Block Diagram
Copyright © 1999
Rev. 1.0 5/99
3

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