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LT1054 Datasheet(Hoja de datos) 5 Page - Texas Instruments

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No. de Pieza. LT1054
Descripción  SWITCHED-CAPACITOR VOLTAGE CONVERTERS WITH REGULATORS
Descarga  26 Pages
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Fabricante  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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LT1054
SWITCHEDCAPACITOR VOLTAGE CONVERTERS
WITH REGULATORS
SLVS033F − FEBRUARY 1990 − REVISED NOVEMBER 2004
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 1
0.3
0.2
0.1
0
−50
−25
0
25
50
75
100
0.4
0.5
SHUTDOWN THRESHOLD VOLTAGE
vs
FREE-AIR TEMPERATURE
0.6
TA − Free-Air Temperature − °C
V(FB/SD)
Figure 2
2
1
0
0
5
10
15
3
4
SUPPLY CURRENT
vs
INPUT VOLTAGE
5
IO = 0
VCC − Input Voltage − V
25
15
−50
−25
0
25
50
75
OSCILLATOR FREQUENCY
vs
FREE-AIR TEMPERATURE
35
100
21
VCC = 15 V
VCC = 3.5 V
TA − Free-Air Temperature − °C
19
17
23
27
29
31
33
Figure 3
Figure 4
60
40
20
0
05
80
100
SUPPLY CURRENT IN SHUTDOWN
vs
INPUT VOLTAGE
120
10
15
VCC − Input Voltage − V
V(FB/SD) = 0
† Data at high and low temperatures are applicable only within the recommended operating free-air temperature range.




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