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參數(shù)資料
| 型號： | L4955V5.1 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 5A ULDO LINEAR REGULATORS FAMILY |
| 中文描述： | 5A條ULDO線性穩(wěn)壓器系列 |
| 文件頁數(shù)： | 5/14頁 |
| 文件大小： | 142K |
| 代理商： | L4955V5.1 |
-40
0
4 0
8 0
1 20
1 6 0
1 .24
1 .24 5
1 .25
1 .25 5
1 .26
1 .26 5
1 .27
1 .27 5
1 .28
T j [
°
C ]
Vo u t [V ]
V in =12V
Io ut=1 0m A
Figure2:
OutputVoltageStabilityvs. Junction
Temperature
-40 -20
0
20
40
60
80 100 120 140 160
T j [
°
C]
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
O
V
D
[
4.5V <Vin<2 2V
Iout=10m A
Figure 3:
Line Regulationvs. Junction
Temperature
0
1
2
3
4
5
-5
-4
-3
-2
-1
0
1
2
3
4
5
Io ut [A]
O
V
D
[
V in = 12 V
T j = 25
°
C
(P uls ed techn iqu e h as b ee n used )
Vo ut = V
A D J
Figure4:
LoadRegulation
0
2.5
5
7.5
10
12.5
15
17.5
20
22.5
0
1
2
3
4
5
6
7
8
(Vin - Vout) [V]
Output Current [A]
Vin > 4.5V
Tj = 125
°
C
Power Dissipation Limit
Tc = 25
°
C
Pdmax = 40W
Current Limitation
Tc = 70
°
C
Pdm ax = 22W
DC Operating Area
Rdson
limit
Figure 1:
L4955 DC OperatingArea
0
1
2
3
4
5
6
0
0 .25
0 .5
0 .75
1
1 .25
Iout [A ]
M
[
T j = 125
°
C
T j = 2 5
°
C
T j = -4 0
°
C
P u lsed tech niq ue has b een used
Figure 5:
DropoutVoltage
*Pulsed tecnique has been used
-40 -20
0
20
40
60
80
100 120 140 160
0
1
2
3
4
5
6
7
8
9
10
Tj [
°
C]
Output Current [A]
(Vin-Vout) > 2V
pin 2 = GND
Figure6:
MaximumOutputCurrentvs. Junction
Temperaturewithinternalcurrentlimiting
L4955
L4955
5/14
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| L4955V51 | 5A ULDO LINEAR REGULATORS FAMILY |
| L4955 | 5A ULDO Linear Regulators Family(5A極低壓差線性穩(wěn)壓器) |
| L4956 | 5A LOW DROP LINEAR REGULATOR |
| L4957AV15 | UP TO 5A ULDO LINEAR REGULATOR |
| L4957AV18 | UP TO 5A ULDO LINEAR REGULATOR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L4956 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5A LOW DROP LINEAR REGULATOR |
| L4957 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:UP TO 4A ULDO LINEAR REGULATOR |
| L4957A | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Up to 5A ULDO linear regulator |
| L4957A_06 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Up to 5A ULDO linear regulator |
| L4957AD1.5 | 功能描述:低壓差穩(wěn)壓器 - LDO 1.5V 5.0A Linear RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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