參數(shù)資料
型號(hào): SPX3940U-2.5
元件分類(lèi): 基準(zhǔn)電壓源/電流源
英文描述: 1A Low Dropout Voltage Regulator Fixed Output, Fast Response
中文描述: 1A低壓差線性穩(wěn)壓器固定輸出,快速響應(yīng)
文件頁(yè)數(shù): 5/11頁(yè)
文件大?。?/td> 213K
代理商: SPX3940U-2.5
5
Date: 5/25/04 SPX3940 1A Low Dropout Voltage Regulator
Copyright 2004 Sipex Corporation
52.0
50.0
48.0
46.0
44.0
42.0
40.0
38.0
36.0
-40
-20
0
20
40
60
80
100
120
I
G
Temperature (
°
C)
3.3V Device
V
= 4.3V
IL=1.5A
CL = 10
μ
F
Figure 12. Ground Current vs Temperature at I
LOAD
= 1.5A
Figure 13. Ground Current vs Temperature in Dropout
at I
LOAD
=1.5A
100
95
90
85
80
75
70
-40
-20
0
20
40
Temperature (
°
C)
60
80
100
120
I
G
3. = 3.2V
V
IL = 1.5A
μ
F
350
330
310
290
270
250
230
210
190
170
150
-40
-20
0
20
40
60
80
Temperature (
°
C)
V
D
120
100
3.3V Device
μ
F
Figure 14. Dropout Voltage vs Temperature at
I
LOAD
= 750mA
Figure 15. Dropout Voltage vs Temperature at
I
LOAD
= 1.5mA
Figure 16. Enable Current vs Temperature for V
EN
= 16V
2.00
1.90
1.80
1.70
1.60
1.50
1.40
1.30
1.20
1.10
1.00
-40
-20
0
20
40
60
80
Temperature (
°
C)
V
T
120
100
3.3 = 3.2V
V
IL = 750mA
μ
F
Figure 17. Enable Threshold vs Temperature
500
480
460
440
420
400
380
360
340
320
-40
-20
0
20
40
60
80
Temperature (
°
C)
V
D
120
100
3.3V Device
μ
F
35
30
25
20
15
10
5
0
-20
0
20
40
60
80
Temperature (
°
C)
I
E
μ
A
120
100
3.3 = 3.2V
V
IL = 750mA
μ
F
TYPICAL PERFORMANCE CHARACTERISTICS
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