參數(shù)資料
型號： AMS1503CT-35
廠商： Advanced Monolithic Systems, Inc.
元件分類： 基準電壓源/電流源
英文描述： 3A LOW DROPOUT VOLTAGE REGULATORS
中文描述： 第3A低壓降穩(wěn)壓器
文件頁數(shù)： 2/9頁
文件大?。?/td> 76K
代理商： AMS1503CT-35
Advanced Monolithic Systems
6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
AMS1503
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V
POWER
Input Voltage
V
CONTROL
Input Voltage
Operating
Junction Temperature Range
Control Section
Power Transistor
Storage temperature
6V
Soldering information
Lead Temperature (10 sec)
Thermal Resistance
TO-220 package
TO-263 package
* With package soldering to 0.5in
2
copper area over backside ground
plane or internal power plane
JA
can vary from 20
°
C/W to
>
40
°
C/W
depending on mounting technique.
13V
300
°
C
0
°
C to 125
°
C
0
°
C to 150
°
C
- 65
°
C to +150
°
C
JA
= 50
°
C/W
JA
= 30
°
C/W*
ELECTRICAL CHARACTERISTICS
Electrical Characteristics at I
LOAD
= 0 mA, and T
J
= +25°C unless otherwise specified.
Parameter
Device
Conditions
Min Typ Max
Units
Reference Voltage
AMS1503
V
CONTROL
= 2.75V, V
POWER
=2V, I
LOAD
= 10mA
V
CONTROL
= 2.7V to 12V, V
POWER
=3.3V to 5.5V,
I
LOAD
= 10mA to 3A
1.243
1.237
1.250
1.250
1.257
1.263
V
V
Output Voltage
AMS1503-1.5
V
CONTROL
= 4V, V
POWER
=2.V, I
LOAD
= 0mA
V
CONTROL
= 3V, V
POWER
=2.3V, I
LOAD
= 0mA to 3A
1.491
1.485
1.500
1.500
1.509
1.515
V
V
AMS1503-2.5
V
CONTROL
= 5V, V
POWER
=3.3V, I
LOAD
= 0mA
V
CONTROL
= 4V, V
POWER
=3.3V, I
LOAD
= 0mA to 3A
2.485
2.475
2.500
2.500
2.515
2.525
V
V
AMS1503-2.85
V
CONTROL
= 5.35V, V
POWER
=3.35V, I
LOAD
= 0mA
V
CONTROL
= 4.4V, V
POWER
=3.7V, I
LOAD
= 0mA to 3A
2.821
2.833
2.850
2.850
2.879
2.867
V
V
AMS1503-3.0
V
CONTROL
= 5.5V, V
POWER
=3.5V, I
LOAD
= 0mA
V
CONTROL
= 4.5V, V
POWER
=3.8V, I
LOAD
= 0mA to 3A
2.982
2.970
3.000
3.000
3.018
3.030
V
V
AMS1503-3.3
V
CONTROL
= 5.8V, V
POWER
=3.8V, I
LOAD
= 0mA
V
CONTROL
= 4.8V, V
POWER
=4.1V, I
LOAD
= 0mA to 3A
3.280
3.235
3.300
3.300
3.320
3.333
V
V
AMS1503-3.5
V
CONTROL
= 6V, V
POWER
=4V, I
LOAD
= 0mA
V
CONTROL
= 5V, V
POWER
=4.3V, I
LOAD
= 0mA to 3A
3.479
3.430
3.500
3.500
3.521
3.535
V
V
AMS1503-5.0
V
CONTROL
= 7.5V, V
POWER
=5.5V, I
LOAD
= 0mA
V
CONTROL
= 6.5V, V
POWER
=5.8V, I
LOAD
= 0mA to 3A
4.930
4.950
5.000
5.000
5.030
5.050
V
V
Line Regulation
AMS1503/-1.5/-2.5/
-2.85/-3.0/-3.3/-3.5/-5.0
I
LOAD
= 10 mA , 1.5V
≤
(V
CONTROL
- V
OUT
)
≤
12V
0.8V
≤
(V
POWER
- V
OUT
)
≤
5.5V
1
3
mV
Load Regulation
AMS1503/-1.5/-2.5/
-2.85/-3.0/-3.3/-3.5/-5.0
V
CONTROL
= V
OUT
+ 2.5V, V
POWER
=V
OUT
+ 0.8V,
I
LOAD
= 10mA to 3A
1
5
mA
Minimum Load
Current
AMS1503
V
CONTROL
= 5V, V
POWER
=3.3V, V
ADJ
= 0V (Note 3)
5
10
mA
Control Pin Current
(Note 4)
AMS1503/-1.5/-2.5/
-2.85/-3.0/-3.3/-3.5/-5.0
V
CONTROL
= V
OUT
+ 2.5V, V
POWER
=V
OUT
+ 0.8V,
I
LOAD
= 10mA to 3A
6
60
120
mA
Ground Pin Current
(Note 4)
AMS1503-1.5/-2.5/-2.85/
-3.0/-3.3/-3.5/-5.0
V
CONTROL
= V
OUT
+ 2.5V, V
POWER
=V
OUT
+ 0.8V,
I
LOAD
= 10mA to 3A
6
10
mA
Adjust Pin Current
AMS1503
V
CONTROL
= 2.75V, V
POWER
= 2.05V, I
LOAD
= 10mA
5
120
μ
A
Current Limit
AMS1503/-1.5/-2.5/
-2.85/-3.0/-3.3/-3.5/-5.0
(V
IN
- V
OUT
) = 5V
3.0
3.5
4.0
A
Ripple Rejection
AMS1503/-1.5/-2.5/
-2.85/-3.0/-3.3/-3.5/-5.0
V
CONTROL
= V
POWER
= V
OUT
+ 2.5V, V
RIPPLE
= 1V
P-P
I
LOAD
= 1.5A
60
80
dB
Thermal Regulation
AMS1503
T
A
= 25°C, 30ms pulse
0.002
0.020
%W
Thermal Resistance
Junction-to-Case
T Package: Control Circuitry/ Power Transistor
M Package: Control Circuitry/ Power Transistor
0.65/2.70
0.65/2.70
°C/W
°C/W
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