參數(shù)資料
型號： SPX1587AU-2.5
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： 3A Low Dropout Voltage Regulator Adjustable & Fixed Output, Fast Response
中文描述： 第3A低壓差線性穩(wěn)壓器可調(diào)節(jié)
文件頁數(shù)： 2/7頁
文件大?。?/td> 187K
代理商： SPX1587AU-2.5
Rev. 10/30/00
SPX1587
ABSOLUTE MAXIMUM RATINGS
Lead Temp. (Soldering, 10 Seconds)..............................300°C
Storage Temperature Range ............................-65° to +150°C
Operating Junction Temperature Range......................
SPX1587 Control Section.......................... -45°C +125°C
SPX1587 Power Transistor.........................-45°C +150°C
ELECTRICAL CHARACTERISTICS
(NOTE 1) at I
OUT
= 10mA, T
A
=25
°
C, unless otherwise
specified.
PARAMETER
CONDITIONS
Maximum Input Voltage ......................................10V
Input to Output Voltage Differential Max...........8.8V
Typ
SPX1587A
Min Max
SPX1587
Min Max
Units
1.5V Version
Output Voltage (Note 2)
SPX1587-1.5V, 0
≤
I
OUT
≤
3A, 2.75V
≤
V
IN
≤
10V
1.5
1.5
1.485
1.470
1.515
1.530
1.470
1.455
1.530
1.545
V
2.5V Version
Output Voltage (Note 2)
SPX1587-2.5V, 0
≤
I
OUT
≤
3A, 4.0V
≤
V
IN
≤
10V
2.5
2.5
2.475
2.450
2.525
2.550
2.450
2.425
2.550
2.575
V
3.3V Version
Output Voltage (Note 2)
SPX1587-3.3V, 0
≤
I
OUT
≤
3A, 4.75V
≤
V
IN
≤
10V
3.3
3.3
3.270
3.240
3.330
3.360
3.230
3.201
3.370
3.399
V
5.0V Version
Output Voltage (Note 2)
SPX1587-5.0V, 0
≤
I
OUT
≤
3A, 6.5V
≤
V
IN
≤
10V
5.0
5.0
4.95
4.90
5.05
5.10
4.900
4.850
5.100
5.150
V
All Voltage Options
Reference Voltage (V
REF
)
V
IN
≤
7V, P
≤
P
MAX
1.5V
≤
(V
IN -
V
OUT
)
≤
(V
IN
-V
OUT
)
MAX
,
10mA
≤
I
OUT
≤
3A
1.5V
≤
(V
IN -
V
OUT
)
≤
(V
IN
-V
OUT
)
MAX
2.75V
≤
V
IN
≤
7V, I
OUT
=10mA, T
J
=25
°
C
(Note 3)
V
IN
≤
7V, I
OUT
=0mA, T
J
=25
°
C
(Note 2)
10mA
≤
I
OUT
≤
3A, (V
IN
-V
OUT
)=3V, T
J
=25
°
C
(Note 3)
0
≤
I
OUT
≤
3A, V
IN
=7V, T
J
=25
°
C
(Note 2)
V
REF
=1% I
OUT
=3A
I
OUT
≤
3A
V
IN
=7V
1.4V
≤
(V
IN
-
V
OUT
) (Note3)
T
A
=125
°
C, 1000 Hrs.
1.250
1.238
1.225
1.263
1.270
1.225
1.212
1.270
1.288
V
Min. Load Current (Note 3)
Line Regulation (
V
REF
(V
IN
))
5
10
0.2
0.2
0.3
0.3
1.2
10
0.2
0.2
0.3
0.3
1.2
mA
%
%
%
%
V
0.005
0.005
Load Regulation (
V
REF
(I
OUT
))
0.05
0.05
Dropout Voltage
1.1
Current Limit
I
OUT
(
MAX
)
Long Term Stability
4.0
0.3
3.2
3.2
A
%
(Note 2)
0.01
1
1
Thermal Regulation
(
V
OUT
(Pwr))
Temperature Stability
(
V
OUT
(T))
Output Noise, RMS
Thermal Resistance
T
A
=25
°
C, 20 ms pulse
0.020
0.020
%/W
0.25
%
10Hz to 10kHz T
A
= 25
°
c
TO-220
DD Package
0.003
%V
°
C/W
Junction to Tab
Junction to Ambient
Junction to Tab
Junction to Ambient
3.0
60
3.0
60
3.0
60
3.0
60
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: Fixed Version Only
Note 3: Adjustable Version Only
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SPX1587AU-L 功能描述:低壓差穩(wěn)壓器 - LDO 3A LOW DROPOUT 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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