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參數(shù)資料
| 型號： | LM2940CT-15 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| 中文描述： | 15 V FIXED POSITIVE LDO REGULATOR, 1 V DROPOUT, PSFM3 |
| 封裝： | PLASTIC, TO-220, 3 PIN |
| 文件頁數(shù)： | 2/5頁 |
| 文件大小： | 196K |
| 代理商： | LM2940CT-15 |
Bay Linear, Inc
2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 989-7144, Fax: (925) 940-9556 www.baylinear.com
LM2940/41
ABSOLUTE MAXIMUM RATINGS
Lead Temp. (Soldering, 5 Seconds).................................260°C
Storage Temperature Range.............................. -65° to +150°C
Operating Junction Temperature Range
LM2940/2941 Control Section.................. -45°C +125°C
LM2940/2941 Power Transistor.................-45°C +150°C
ELECTRICAL CHARACTERISTICS
(NOTE 1) at I
OUT
= 5mA, V
IN
=V
OUT
+ 1V, I
l
= 1000mA, C
L
= 10
μ
F. Ta=25
°
C, unless otherwise
specified. The LM2941 is programmed to output 5V and has V
SHUTDOWN
≤
0.6V
PARAMETER
CONDITIONS
Input Voltage........................................................26V
Maximum Output Current....................................3.5A
Input Supply Voltage (Note1) (Survival)-20V to +60V
Typ
LM2940
Min Max
Units
2.5V Version
Output Voltage (Note 2)
I
OUT
= 5mA
5mA
≤
I
OUT
≤
1.25A, 4.75V
≤
V
IN
≤
26V
2.5
2.5
2.475
2.450
2.525
2.550
V
3.3V Version2.
Output Voltage (Note 2)
I
OUT
= 5mA
5mA
≤
I
OUT
≤
1.25A, 4.75V
≤
V
IN
≤
26V
3.3
3.3
3.267
3.234
3.330
3.366
V
5.0V Version
Output Voltage (Note 2)
I
OUT
= 5mA
5mA
≤
I
OUT
≤
1.25A, 5.5V
≤
V
IN
≤
26V
5mA
≤
I
OUT
≤
1.0 A
5.0
5.0
4.95
4.90
-1
-2
-2.5
5.05
5.10
1
2
2.5
V
Output Voltage
Accuracy
%
All Voltage Options
Line Regulation
Load Regulation
I
O
= 5mA, (V
OUT
+ 1V)
≤
V
IN
≤
26V
V
IN
= V
OUT
+ 5V, 5mA
≤
I
OUT
≤
1 A
(Note 2, 6)
Output Voltage (Note 6)
Temperature Coef.
0.06
0.2
0.5
1.6
%
%
V
°
T
Dropout Voltage
20
80
100
150
ppm/
°
C
mV
I
O
= 5mA
I
O
= 1000mA
I
O
= 1.25A
I
O
= 5mA, V
IN
= V
OUT
, +1V
I
O
= 1000mA, V
IN
= V
OUT
, +1V
I
O
= 1.25A
V
IN
= 0.5V less than specified V
OUT
I
OUT
= 10mA
350
450
400
600
Ground Current
240
22
35
350
35
70
μ
A
mA
I
GNDDO
Ground Pin Current at
Dropout
Current Limit
Output Noise Voltage
(10Hz to 100kHz)
I
L
= 100mA
Reference Voltage
0.9
mA
V
OUT
= 0V (Note 4)
C
L
= 10
μ
F
C
L
= 33
μ
F
1.7
1.5
A
400
260
μ
V
RMS
1.235
1.223
1.210
1.204
1.247
1.260
1.266
80
120
V
V
max
V
nA
Reference Voltage
Adjust Pin
Bias Current
Reference Voltage
Temperature
Coefficient
Adjust Pin Bias
Current Temperature
Coefficient
(Note 8)`
40
(Note 7)
20
ppm/
°
C
0.1
nA/
°
C
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM2940CT-15 | 制造商:Texas Instruments 功能描述:IC V REG LDO +15V 2940 TO-220-3 |
| LM2940CT-15/NOPB | 功能描述:低壓差穩(wěn)壓器 - LDO 1A LDO REG 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LM2940CT15SL162550 | 制造商:Texas Instruments 功能描述: |
| LM2940CT5 | 制造商:National Semiconductor 功能描述:NSC S6I6A |
| LM2940CT-5 | 制造商:National Semiconductor 功能描述:NSC S6I6A |
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