參數(shù)資料
型號(hào)： AMS317CM-18
廠商： Advanced Monolithic Systems, Inc.
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： 1A LOW DROPOUT VOLTAGE REGULATOR
中文描述： 1A低壓差穩(wěn)壓器
文件頁(yè)數(shù)： 2/8頁(yè)
文件大?。?/td> 78K
代理商： AMS317CM-18
Advanced Monolithic Systems, Inc.
6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
AMS317
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Power Dissipation
Input Voltage
Operating
Junction Temperature Range
AMS317A
AMS317
Storage temperature
Soldering information
Lead Temperature (10 sec)
Internally limited
25V
Thermal Resistance
TO-220 package
TO-263 package
TO-252 package
SOT-223 package
* With package soldering to copper area over backside
ground
plane or internal power plane
JA
can vary from 46
°
C/W to
>
90
°
C/W (for SOT-223) (20
°
C/W to
>
40
°
C/W for TO-263)
depending on mounting technique and the size of the copper
area.
JA
= 50
°
C/W
JA
=
30
°
C/W
JA
= 80
°
C/W
JA
= 90
°
C/W*
-40
°
C to +125
°
C
0
°
C to +125
°
C
- 65
°
C to +150
°
C
300
°
C
ELECTRICAL CHARACTERISTICS
Electrical Characteristics at I
OUT
= 10 mA, (V
IN
- V
OUT
) = 5V, and T
J
= +25°C unless otherwise specified.
Parameter
Device
Conditions
AMS317A
Min Typ Max
AMS317
Min Typ Max
Units
Reference Voltage
(Note 2)
AMS317
I
OUT
= 10 mA
10mA
≤
I
OUT
≤
I
MAX
, 3V
≤
(V
IN
- V
OUT
)
≤
25V
1.238
1.225
1.250
1.250
1.262
1.270
1.225
1.20
1.250
1.250
1.270
1.30
V
V
Output Voltage
(Note 2)
AMS317-1.8
0
≤
I
OUT
≤
I
MAX
, 3.3V
≤
V
IN
≤
25V
1.782
1.764
1.800
1.800
1.818
1.836
1.764
1.746
1.800
1.800
1.836
1.854
V
V
AMS317-2.5
0
≤
I
OUT
≤
I
MAX
, 4.0V
≤
V
IN
≤
25V
2.475
2.460
2.500
2.500
2.525
2.560
2.450
2.425
2.500
2.500
2.550
2.575
V
V
AMS317-2.85
0
≤
I
OUT
≤
I
MAX
, 4.35V
≤
V
IN
≤
25V
2.82
2.793
2.850
2.850
2.88
2.907
2.793
2.765
2.850
2.850
2.907
2.935
V
V
AMS317-3.3
0
≤
I
OUT
≤
I
MAX
, 4.75V
≤
V
IN
≤
25V
3.267
3.235
3.300
3.300
3.333
3.365
3.235
3.201
3.300
3.300
3.365
3.399
V
V
AMS317-5.0
0
≤
I
OUT
≤
I
MAX
, 6.5V
≤
V
IN
≤
25V
4.950
4.900
5.000
5.000
5.050
5.100
4.900
4.850
5.000
5.000
5.100
5.150
V
V
Line Regulation
AMS317
I
LOAD
= 10 mA , 3V
≤
(V
IN
- V
OUT
)
≤
25V
0.015
0.035
0.2
0.2
0.015
0.035
0.2
0.2
%
%
Load Regulation
(Notes 2, 3)
AMS317
10mA
≤
I
OUT
≤
I
MAX
0.1
0.3
0.5
1.0
0.1
0.3
0.5
1.0
%
%
Current Limit
AMS317/-1.8/-
2.5/-2.85/-3.3/-5.0
(V
IN
- V
OUT
) = 5V
1.5
2.0
1.5
2.0
A
Minimum Load
Current
AMS317
(V
IN
- V
OUT
) = 25V
5
10
5
10
mA
Thermal Regulation
AMS317
T
A
= 25°C, 20ms pulse
0.04
0.07
0.04
0.07
%W
Adjust Pin Current
AMS317
40
100
40
100
μ
A
μ
A
Adjust Pin Current
Change
AMS317
10mA
≤
I
OUT
≤
I
MAX
, 3V
≤
(V
IN
- V
OUT
)
≤
25V
0.2
5
0.2
5
μ
A
Temperature
Stability
T
MIN
≤
T
J
≤
T
MAX
1.0
1.0
%
Long Term Stability
T
A
=125°C, 1000Hrs
0.3
1
0.3
1
%
Ripple Rejection
AMS317
f =120Hz , C
OUT
= 25
μ
F Tantalum,
(V
IN
-V
OUT
) = 3V, C
ADJ
=10
μ
F
66
80
66
80
dB
RMS Output Noise
(% of V
OUT
)
T
A
= 25°C , 10Hz
≤
f
≤
10kHz
0.003
0.003
%
Thermal Resistance
Junction-to-Case
TO-252 Package
SOT-223 Package
TO-220 / TO-263 Package
5
23.5
5
5
23.5
5
°C/W
°C/W
°C/W
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