LM2954F データシートの表示（PDF） - Contek Microelectronics
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LM2954F Datasheet PDF : 5 Pages
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LM2954
LINEAR INTEGRATED CIRCUIT
APPLICATION CIRCUIT
UNRAGULATED
DC
FEEDBACK 7
INPUT 8 OUTPUT 1
3.7V
350mA
FROM CMOS
OR TTL
SHUT
DOWN 3
60mV
1.23
REF
Contek
SENSE
2
ERROR
AMPLIFIER
ERROR
DETECTION
COMPARATOR
3.7V 6
ERROR5
1.5mF
GND 4
330KW
TO CMOS
OR TTL
10A LOW DROPOUT REGULATOR
CURRENT
LIMIT
SECTION
680 W
2N3906
4.7M W
20k W
220 W
0.033 m F
+V IN =V ou t+0.5V
0.05 W
470 W
Contek
D65H0
8
+V IN
5
10k W
ERROR
Contek LM2954
3 SD
FB
GND
4
Vout
1
7
47W
R1
1%
R2
+ V OUT 10 A
4.7 m F
100 m F
Vout=1.23V*(1+R1/R2)
For 5V output use internal
and wire pin
Resistors.Wire
2 to +V out
Fig.2
Pin 6 to 7
Contek Microelectronics Co.,Ltd.
4
CONTEK
http://www.contek-ic.com E-mail:sales@contek-ic.com
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