Advanced Monolithic Systems, Inc.
6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
AMS2908
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Power Dissipation
Input Voltage
Operating
Junction Temperature Range
Control Section
Power Transistor
Storage temperature
Internally limited
15V
Soldering information
Lead Temperature (10 sec)
Thermal Resistance
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 depending on mounting technique and
the size of the copper area.
300
°
C
0
°
C to 125
°
C
0
°
C to 150
°
C
- 65
°
C to +150
°
C
JA
= 80
°
C/W
JA
= 90
°
C/W*
ELECTRICAL CHARACTERISTICS
Electrical Characteristics at I
OUT
= 0 mA, and T
J
= +25°C unless otherwise specified.
Parameter
Device
Conditions
Min Typ Max
Units
Reference Voltage
(Note 2)
AMS2908
I
OUT
= 10 mA
10mA
≤
I
OUT
≤
800mA, 1.5V
≤
(V
IN
- V
OUT
)
≤
12V
1.238
1.225
1.250
1.250
1.262
1.270
V
V
Output Voltage
(Note 2)
AMS2908-1.5
0
≤
I
OUT
≤
800mA , 4.35V
≤
V
IN
≤
12V
1.485
1.476
1.500
1.500
1.515
1.524
V
V
AMS2908-2.5
0
≤
I
OUT
≤
800mA , 4.35V
≤
V
IN
≤
12V
2.475
2.460
2.500
2.500
2.525
2.560
V
V
AMS2908-2.85
0
≤
I
OUT
≤
800mA , 4.35V
≤
V
IN
≤
12V
2.82
2.79
2.850
2.850
2.88
2.91
V
V
AMS2908-3.3
0
≤
I
OUT
≤
800mA , 4.75V
≤
V
IN
≤
12V
3.267
3.235
3.300
3.300
3.333
3.365
V
V
AMS2908-5.0
0
≤
I
OUT
≤
800mA , 6.5V
≤
V
IN
≤
12V
4.950
4.900
5.000
5.000
5.050
5.100
V
V
Line Regulation
AMS2908
I
LOAD
= 10 mA , 1.5V
≤
(V
IN
- V
OUT
)
≤
12V
0.015
0.035
0.2
0.2
%
%
AMS2908-1.5
3.0V
≤
V
IN
≤
12V
0.3
0.6
5
6
mV
mV
AMS2908-2.5
4.0V
≤
V
IN
≤
12V
0.3
0.6
6
6
mV
mV
AMS2908-2.85
4.35V
≤
V
IN
≤
12V
0.3
0.6
6
6
mV
mV
AMS2908-3.3
4.75V
≤
V
IN
≤
12V
0.5
1.0
10
10
mV
mV
AMS2908-5.0
6.5V
≤
V
IN
≤
12V
0.5
1.0
10
10
mV
mV
Load Regulation
(Notes 2, 3)
AMS2908
(V
IN
- V
OUT
) =3V, 10mA
≤
I
OUT
≤
800mA
0.1
0.2
0.3
0.4
%
%
AMS2908-1.5
V
IN
= 5V, 0
≤
I
OUT
≤
800mA
3
6
10
20
mV
mV
AMS2908-2.5
V
IN
= 5V, 0
≤
I
OUT
≤
800mA
3
6
12
20
mV
mV
AMS2908-2.85
V
IN
= 5V, 0
≤
I
OUT
≤
800mA
3
6
12
20
mV
mV
AMS2908-3.3
V
IN
= 5V, 0
≤
I
OUT
≤
800mA
3
7
15
25
mV
mV
AMS2908-5.0
V
IN
= 8V, 0
≤
I
OUT
≤
800mA
5
10
20
35
mV
mV