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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)： | 6/14頁 |
| 文件大小： | 142K |
| 代理商： | L4955V5.1 |
-4 0 -20
0
20
4 0
6 0
80 1 00 1 20 14 0 1 60
T j [
°
C ]
0 .4
0 .6
0 .8
1
1 .2
1 .4
1 .6
1 .8
2
2 .2
2 .4
2 .6
Iq [m A ]
V in= 12V
Io ut=1 0m A
to
5A
Figure8:
QuiescentCurrent vs. Temperature
(CL = 0V)
1 0
100
10 k
1 00 k
0
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 0
1 00
F r eq ue n cy [H z ]
R ipp le R e jec tio n [d B ]
C in = 2 2 u F
C o u t = 2 2uF
V o ut = 1.26 V
V in m in = 4.5V
Io ut = 5 A
V rip p le = 3 V p -p
V rip p le = 0.5 V p-p
Figure12:
RippleRejection vs. Frequency
*Pu lsed tecniqu e has been used
Figure 9:
QuiescentCurrent vs. Supply voltage
(CL = 0V)
-40
-20
0
2 0
4 0
60
80
10 0 12 0 1 40 160
0
0 .5
1
1 .5
2
2 .5
3
3 .5
T j [
°
C]
S hort-circ uit Current [A]
R lim = 47k
R lim = 13k
R lim = 19k
Figure 7:
Short-circuitCurrent vs. Junction
Temperaturewith Programmable
Current Limiting
0
5
1 0
1 5
2 0
2 5
0
0 .5
1
1 .5
2
2 .5
3
3 .5
4
4 .5
5
V in [V ]
Iq [m A ]
Io = 1 0m A to 5 A
T j= 25
°
C
T j= 12 5
°
C
T j= - 40
°
C
Tj = 25
°
C
0
5
10
15
20
25
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
Vin [V]
Iq [mA]
Rlim= 13k
Rlim = 47k
Figure10:
QuiescentCurrent vs. Supply Voltage
with ProgrammableCurrent Limiting
0
5
10
15
20
25
0
50
100
150
200
250
300
350
400
V in [V]
Iq [u A]
T j= 25
°
C
Figure 11:
Stand-byCurrent vs. Supply Voltage
with INH = LOGIC HIGH
L4955
L4955
6/14
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(fù)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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