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PDF L4918 Data sheet ( Hoja de datos )
| Número de pieza | L4918 | |
| Descripción | VOLTAGE REGULATORS PLUS FILTER | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de L4918 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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L4918
VOLTAGE REGULATORS PLUS FILTER
........ FIXED OUTPUT VOLTAGE 8.5V
250mA OUTPUT CURRENT
HIGH RIPPLE REJECTION
HIGH LOAD REGULATION
HIGH LINE REGULATION
SHORT CIRCUIT PROTECTION
THERMAL SHUT DOWN WITH HYSTERESIS
DUMP PROTECTION
PRELIMINARY DATA
DESCRIPTION
The L4918 combines both a filter and a voltage regu-
lator in order to provide a high ripple rejection over a
wider input voltage range.
A supervisor low-pass loop of the element prevents
the output transistor from saturation at low input vol
tages.
The non linear behaviour of this control circuitry al-
lows a fast setting of the filter.
PENTAWATT
ORDERING NUMBER : L4918
BLOCK DIAGRAM
October 1988
1/6
1 page  
PENTAWATT PACKAGE MECHANICAL DATA
DIM.
A
C
D
D1
E
F
F1
G
G1
H2
H3
L
L1
L2
L3
L5
L6
L7
M
M1
Dia
MIN.
2.4
1.2
0.35
0.8
1
10.05
2.6
15.1
6
3.65
mm
TYP.
3.4
6.8
17.85
15.75
21.4
22.5
4.5
4
MAX.
4.8
1.37
2.8
1.35
0.55
1.05
1.4
10.4
10.4
3
15.8
6.6
3.85
L
L1
MIN.
0.094
0.047
0.014
0.031
0.039
0.126
0.260
0.396
0.102
0.594
0.236
0.144
inch
TYP.
0.134
0.268
0.703
0.620
0.843
0.886
0.177
0.157
L4918
MAX.
0.189
0.054
0.110
0.053
0.022
0.041
0.055
0.142
0.276
0.409
0.409
0.118
0.622
0.260
0.152
L2
L5 L3
Dia.
L7
L6
5/6
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet L4918.PDF ] | |
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