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參數(shù)資料
| 型號： | B1129-3.3 |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 1.00Amp High Current Low Dropout Voltage Regulator Adjustable & Fix |
| 中文描述： | 1.00Amp高電流低壓差穩(wěn)壓器可調(diào)節(jié) |
| 文件頁數(shù)： | 2/4頁 |
| 文件大小： | 169K |
| 代理商： | B1129-3.3 |
Bay Linear, Inc
2418 Armstrong Street, Livermore, CA 94550 Tel: (925) 989-7144, Fax: (925) 940-9556 www.baylinear.com
B1129
ABSOLUTE MAXIMUM RATINGS
Lead Temp. (Soldering, 5 Seconds).................................260°C
Storage Temperature Range.............................. -65° to +150°C
Operating Junction Temperature Range
B1129/2941 Control Section..................... -45°C +125°C
B1129/2941 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 B1129 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
B1129
Min Max
Units
3.3V Version2.
Output Voltage (Note 2)
I
OUT
= 5mA
5mA
≤
I
OUT
≤
1.00A, 4.75V
≤
V
IN
≤
26V
3.30
3.30
3.250
3.200
3.350
3.400
V
5.0V Version
Output Voltage (Note 2)
I
OUT
= 5mA
5mA
≤
I
OUT
≤
1.00A, 5.5V
≤
V
IN
≤
26V
5mA
≤
I
OUT
≤
1.0 A
5.00
5.00
4.925
4.850
-1
-2
-2.5
5.075
5.150
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)
I
O
= 10mA
I
O
= 500mA
I
O
= 1.00A
I
O
= 10mA, V
IN
= V
OUT
, +1V
I
O
= 500mA, V
IN
= V
OUT
, +1V
I
O
= 1.00A
V
IN
= 0.5V less than specified V
OUT
I
OUT
= 10mA
1.5
6
10
20
mA
mA
40
200
370
450
Dropout Voltage
450
550
mV
Ground Current
310
25
50
450
45
80
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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