AMS1503
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V
POWER
Input Voltage
V
CONTROL
Input Voltage
Operating Junction Temperature
Control Section
Power Transistor
Storage temperature
Soldering information
Lead Temperature (25 sec)
6V
13V
0°C to 125°C
0°C to 150°C
- 65°C to +150°C
Thermal Resistance
TO-220 package
TO-252 package
TO-263 package
*Minimum pad size is 0.038in
2
ϕ
JA
= 50°C/W
ϕ
JA
= 92°C/W*
ϕ
JA
= 30°C/W**
** With package soldering to 0.5in
2
copper area over backside
ground plane or internal power plane
ϕ
JA
can vary from 20°C/W to
>40°C/W
depending on mounting technique.
265°C
ELECTRICAL CHARACTERISTICS
Electrical Characteristics at I
LOAD
= 0 mA, and T
J
= +25°C unless otherwise specified.
Parameter
Reference Voltage
Device
AMS1503
Conditions
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
V
CONTROL
= 4V, V
POWER
=2.V, I
LOAD
= 0mA
V
CONTROL
= 3V, V
POWER
=2.3V, I
LOAD
= 0mA to 3A
V
CONTROL
= 5V, V
POWER
=3.3V, I
LOAD
= 0mA
V
CONTROL
= 4V, V
POWER
=3.3V, I
LOAD
= 0mA to 3A
V
CONTROL
= 5.35V, V
POWER
=3.35V, I
LOAD
= 0mA
V
CONTROL
= 4.4V, V
POWER
=3.7V, I
LOAD
= 0mA to 3A
V
CONTROL
= 5.5V, V
POWER
=3.5V, I
LOAD
= 0mA
V
CONTROL
= 4.5V, V
POWER
=3.8V, I
LOAD
= 0mA to 3A
V
CONTROL
= 5.8V, V
POWER
=3.8V, I
LOAD
= 0mA
V
CONTROL
= 4.8V, V
POWER
=4.1V, I
LOAD
= 0mA to 3A
V
CONTROL
= 6V, V
POWER
=4V, I
LOAD
= 0mA
V
CONTROL
= 5V, V
POWER
=4.3V, I
LOAD
= 0mA to 3A
V
CONTROL
= 7.5V, V
POWER
=5.5V, I
LOAD
= 0mA
V
CONTROL
= 6.5V, V
POWER
=5.8V, I
LOAD
= 0mA to 3A
I
LOAD
= 10 mA , 1.5V≤ (V
CONTROL
- V
OUT
)
≤
12V
0.8V≤ (V
POWER
- V
OUT
)
≤
5.5V
V
CONTROL
= V
OUT
+ 2.5V, V
POWER
=V
OUT
+ 0.8V,
I
LOAD
= 10mA to 3A
V
CONTROL
= 5V, V
POWER
=3.3V, V
ADJ
= 0V (Note 3)
V
CONTROL
= V
OUT
+ 2.5V, V
POWER
=V
OUT
+ 0.8V,
I
LOAD
= 10mA to 3A
V
CONTROL
= V
OUT
+ 2.5V, V
POWER
=V
OUT
+ 0.8V,
I
LOAD
= 10mA to 3A
V
CONTROL
= 2.75V, V
POWER
= 2.05V, I
LOAD
= 10mA
(V
IN
- V
OUT
) = 5V
Min
1.243
1.237
1.491
1.485
2.485
2.475
2.821
2.833
2.982
2.970
3.280
3.235
3.479
3.430
4.930
4.950
Typ
1.250
1.250
1.500
1.500
2.500
2.500
2.850
2.850
3.000
3.000
3.300
3.300
3.500
3.500
5.000
5.000
1
Max
1.257
1.263
1.509
1.515
2.515
2.525
2.879
2.867
3.018
3.030
3.320
3.333
3.521
3.535
5.030
5.050
3
Units
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
mV
Output Voltage
AMS1503-1.5
AMS1503-2.5
AMS1503-2.85
AMS1503-3.0
AMS1503-3.3
AMS1503-3.5
AMS1503-5.0
Line Regulation
AMS1503/-1.5/-2.5/
-2.85/-3.0/-3.3/-3.5/-5.0
Load Regulation
AMS1503/-1.5/-2.5/
-2.85/-3.0/-3.3/-3.5/-5.0
Minimum Load
Current
Control Pin Current
(Note 4)
Ground Pin Current
(Note 4)
Adjust Pin Current
Current Limit
AMS1503
AMS1503/-1.5/-2.5/
-2.85/-3.0/-3.3/-3.5/-5.0
AMS1503-1.5/-2.5/-2.85/
-3.0/-3.3/-3.5/-5.0
AMS1503
AMS1503/-1.5/-2.5/
-2.85/-3.0/-3.3/-3.5/-5.0
Ripple Rejection
AMS1503/-1.5/-2.5/
-2.85/-3.0/-3.3/-3.5/-5.0
Thermal Regulation
Thermal Resistance
Junction-to-Case
AMS1503
1
5
mA
5
6
60
10
120
mA
mA
6
10
mA
5
3.0
3.5
120
4.0
µA
A
V
CONTROL
= V
POWER
= V
OUT
+ 2.5V, V
RIPPLE
= 1V
P-P
I
LOAD
= 1.5A
T
A
= 25°C, 30ms pulse
T Package: Control Circuitry/ Power Transistor
M & D Package: Control Circuitry/ Power Transistor
60
80
dB
0.002
0.020
0.65/2.70
0.65/2.70
%W
°C/W
°C/W
Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com
Phone (925) 443-0722
Fax (925) 443-0723
ADMOS [ ADVANCED MONOLITHIC SYSTEMS ]
