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参数资料
| 型号： | SPX3940T-1.8 |
| 元件分类： | 固定正电压单路输出LDO稳压器 |
| 英文描述： | 1.8 V FIXED POSITIVE LDO REGULATOR, 0.55 V DROPOUT, PSSO3 |
| 封装： | TO-263, 3 PIN |
| 文件页数： | 6/11页 |
| 文件大小： | 202K |
| 代理商： | SPX3940T-1.8 |
4
Date: 5/25/04
SPX3940 1A Low Dropout Voltage Regulator
Copyright 2004 Sipex Corporation
Figure 6. Ground Current vs Load Current in Dropout
Figure 7. Dropout Voltage vs Load Current
Figure 8. Ground Current vs Temperature at
Figure 9. Output Voltage vs Temperature at
I
LOAD = 10mA
I
LOAD=10mA
100
90
80
70
60
50
40
30
20
10
0
3.3 Device
V
IN
= 3.2V
CL = 10F
0
0.25
0.5
0.75
1
1.25
1.5
IL(A)
I GND
(mA)
280
270
260
250
240
230
220
210
200
190
180
-40
-20
0
20
40
60
80
100
120
I GND
(
A)
Temperature (°C)
3.3V Device
V
IN = 4.3V
IL = 10mA
CL = 10F
3.320
3.310
3.300
3.290
3.280
3.270
3.260
3.250
3.240
3.230
3.220
-40
-20
0
20
40
60
80
100
120
V
OUT
(V)
Temperature (°C)
3.3V Device
V
IN = 4.3V
IL = 10mA
CL = 10F
Figure 10. Ground Current vs Temperature at
Figure 11. Ground Current vs Temperature in Dropout
I
LOAD=500mA
at I
LOAD=750mA
600
500
400
300
200
100
0
00.25
0.5
0.75
1
1.25
1.5
V
Dropout
(mV)
IL (A)
3.3V Device
CL = 10F
7.00
6.80
6.60
6.40
6.20
6.00
5.80
5.60
5.40
5.20
5.00
-40
-20
0
20
40
60
80
100
120
I GND
(mA)
Temperature (°C)
3.3V Device
V
IN = 4.3V
IL = 500mA
CL = 10F
30
29
28
27
26
25
24
23
22
21
20
-40
-20
0
20
40
60
80
100
120
I GND
(mA)
Temperature (°C)
3.3V Device
V
IN = 3.2V
IL = 750mA
CL = 10F
TYPICAL PERFORMANCE CHARACTERISTICS
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SPX3940T-2.5 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:1A Low Dropout Voltage Regulator Fixed Output, Fast Response |
| SPX3940T-2.5/TR | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:1A Low Dropout Voltage Regulator Fixed Output, Fast Response |
| SPX3940T-3.3 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:1A Low Dropout Voltage Regulator Fixed Output, Fast Response |
| SPX3940T-3.3/TR | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:1A Low Dropout Voltage Regulator Fixed Output, Fast Response |
| SPX3940T-5.0 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:1A Low Drop Out Voltage Regulator |
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