參數(shù)資料
型號(hào): LT1054Y
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: SWITCHED CAPACITOR REGULATOR, 35 kHz SWITCHING FREQ-MAX, UUC8
封裝: DIE
文件頁數(shù): 27/30頁
文件大?。?/td> 607K
代理商: LT1054Y
LT1054
SWITCHED-CAPACITOR VOLTAGE CONVERTERS
WITH REGULATORS
SLVS033F FEBRUARY 1990 REVISED NOVEMBER 2004
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 5
40
20
120
0
020
40
60
A
verage
Supply
Current
mA
80
60
100
AVERAGE SUPPLY CURRENT
vs
OUTPUT CURRENT
140
80
100
IO Output Current mA
0.4
0.2
1.2
0
10
20304050
60
Output
V
oltage
Loss
V
0.8
0.6
1.0
OUTPUT VOLTAGE LOSS
vs
INPUT CAPACITANCE
1.4
70
80
90
100
IO = 100 mA
IO = 50 mA
IO = 10 mA
Inverter Configuration
COUT = 100-μF Tantalum
fOSC = 25 kHz
Input Capacitance
μF
Figure 6
0
1
10
100
Output
V
oltage
Loss
V
OUTPUT VOLTAGE LOSS
vs
OSCILLATOR FREQUENCY
2
1
IO = 100 mA
IO = 50 mA
IO = 10 mA
Inverter Configuration
CIN = 10-μF Tantalum
COUT = 100-μF Tantalum
Oscillator Frequency kHz
0.75
0.5
0.25
1.25
1.5
1.75
2.25
2.5
Figure 7
0
1
10
100
Output
V
oltage
Loss
V
OUTPUT VOLTAGE LOSS
vs
OSCILLATOR FREQUENCY
2
1
IO = 100 mA
IO = 50 mA
IO = 10 mA
Inverter Configuration
CIN = 100-μF Tantalum
COUT = 100-μF Tantalum
Oscillator Frequency kHz
0.25
0.5
0.75
1.25
1.5
1.75
2.25
2.5
Figure 8
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