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參數(shù)資料
| 型號(hào)： | SPX2840AU |
| 元件分類(lèi)： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 4A Low Dropout Voltage Regulator Adjustable & Fixed 3.3V |
| 中文描述： | 第4A低壓差線(xiàn)性穩(wěn)壓器可調(diào)節(jié) |
| 文件頁(yè)數(shù)： | 2/5頁(yè) |
| 文件大?。?/td> | 222K |
| 代理商： | SPX2840AU |
Rev. 10/23/00
SPX2840
ABSOLUTE MAXIMUM RATINGS
Power Dissipation..........................................Internally Limited
Lead Temp. (Soldering, 10 Seconds)..............................300°C
Storage Temperature Range ............................-65° to +150°C
Operating Junction Temperature Range
SPX2840 Control Section..........................0C° to +125°C
SPX2840 Power Transistor........................0C° to +150°C
ELECTRICAL CHARACTERISTICS
.(NOTE 1) at I
OUT
= 10mA, T
A
=25
°
C, unless otherwise specified.
Parameter
Input Supply Voltage ....................................................+10V
Input to Output Voltage Differential.............................+10V
Conditions
SPX2840
Min Typ Max
1.238
1.225
1.250
5
0.015
0.035
0.05
0.1
0.2
1.1
Units
Reference Voltage
10 mA
≤
I
OUT
≤
I
FULLLOAD
1.5V
≤
(V
IN
- V
OUT
≤
7V ( Over Temperature)
(V
IN
-V
OUT
) + 25V
1.5V
≤
V
IN
- V
OUT
≤
7V
I
LOAD
= 10mA
15V
≤
V
IN
- V
OUT
≤
7V
10 mA
≤
I
OUT
≤
I
FULLLOAD
(V
IN
- V
OUT
)=3V
I
OUT
=I
FULLLOAD
,
V
REF
=1%
1.250
1.262
1.270
10
0.2
0.2
0.5
0.3
0.4
1.3
V
V
mA
%
%
%
%
%
V
Min. Load Current
Line Regulation
Load Regulation
Dropout Voltage
Current Limit
V
IN
- V
OUT
=5V
V
IN
- V
OUT
=25V
T
A
=125
°
C, 1000 Hrs.
5.5
0.3
6.5
0.6
0.3
A
A
%
Long Term Stability
1
Adjust Pin Current
T
A
=25
°
C
55
120
5
μ
A
μ
A
μ
A
Adjust Pin Current Change
0.2
Thermal Regulation
Temperature Stability
30 ms pulse
0.003
0.015
%/W
0.5
%
Ripple Rejection Ratio
V
IN
- V
OUT
=3V
I
OUT
=3A, C
OUT
= 25
μ
F, C
ADJ
= 25
μ
F, f= 120Hz
10Hz to 10kHz
60
75
dB
Output Noise, RMS
The Bold specifications apply to the full operating temperature range.
Note 1:
Changes in output voltage due to heating effects are covered under the specification for thermal regulation.
Note 2:
A 10
μ
F output capacitor is required on SPX2840.
0.003
% V
O
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