AMS1085
ABSOLUTE MAXIMUM RATINGS (Note 1)
Power Dissipation
Input Voltage
Internally limited
Soldering information
Lead Temperature (25 sec)
Thermal Resistance
TO-220 package
15V
265°C
Operating Junction Temperature
Control Section
Power Transistor
0°C to 125°C
0°C to 150°C
- 65°C to +150°C
ϕ JA= 50°C/W
JA= 30°C/W *
ϕ JA= 100°C/W
TO-263 package
ϕ
Storage temperature
TO-252 package
* With package soldering to 0.5in2 copper area over backside
ground plane or internal power plane ϕ
can vary from
JA
20°C/W to >40°C/W depending on mounting technique.
ELECTRICAL CHARACTERISTICS
Electrical Characteristics at IOUT = 0 mA, and TJ = +25°C unless otherwise specified.
Parameter
Device
Conditions
Min
Typ
Max
Units
Reference Voltage
(Note 2)
AMS1085
IOUT = 10 mA
10mA ≤ IOUT ≤ 3A, 1.5V≤ (VIN - VOUT) ≤ 12V
1.238
1.225
1.250
1.250
1.262
1.270
V
V
Output Voltage
(Note 2)
AMS1085-1.5
AMS1085-2.5
AMS1085-2.85
AMS1085-3.0
AMS1085-3.3
AMS1085-3.5
AMS1085-5.0
1.485
1.470
1.500
1.500
1.515
1.530
V
V
0 ≤ IOUT ≤ 3A , 3V≤ VIN ≤ 12V
0 ≤ IOUT ≤ 3A , 4V≤ VIN ≤ 12V
0 ≤ IOUT ≤ 3A , 4.35V≤ VIN ≤ 12V
0 ≤ IOUT ≤ 3A , 4.5V ≤ VIN ≤ 12V
0 ≤ IOUT ≤ 3A , 4.75V ≤ VIN ≤ 12V
0 ≤ IOUT ≤ 3A , 5V ≤ VIN ≤ 12V
0 ≤ IOUT ≤ 3A , 6.5V ≤ VIN ≤ 12V
ILOAD = 10 mA , 1.5V≤ (VIN - VOUT) ≤ 12V
(VIN - VOUT) =3V, 10mA ≤ IOUT ≤ 3A
2.475
2.450
2.500
2.500
2.525
2.550
V
V
2.82
2.79
2.850
2.850
2.88
2.91
V
2.970
2.940
3.000
3.000
3.300
3.360
V
V
3.267
3.235
3.300
3.300
3.333
3.365
V
V
3.465
3.430
3.500
3.500
3.535
3.570
V
V
4.950
4.900
5.000
5.000
5.050
5.100
V
V
Line Regulation
AMS1085/-1.5/-2.5/-
2.85/ -3.0/-3.3/-3.5/-5.0
0.3
0.6
10
10
mV
mV
Load Regulation
(Notes 2, 3)
AMS1085
0.1
0.2
0.3
0.4
%
%
AMS1085-1.5
AMS1085-2.5
AMS1085-2.85
AMS1085-3.0
AMS1085-3.3
AMS1085-3.5
AMS1085-5.0
3
6
12
20
mV
mV
VIN = 5V, 0 ≤ IOUT ≤ 3A
VIN = 5V, 0 ≤ IOUT ≤ 3A
VIN = 5V, 0 ≤ IOUT ≤ 3A
VIN = 5V, 0 ≤ IOUT ≤ 3A
VIN = 5V, 0 ≤ IOUT ≤ 3A
VIN = 5.25V, 0 ≤ IOUT ≤ 3A
VIN = 8V, 0 ≤ IOUT ≤ 3A
3
6
12
20
mV
mV
3
6
12
20
mV
mV
3
6
12
20
mV
mV
3
7
15
25
mV
mV
3
6
15
25
mV
mV
5
10
20
35
mV
mV
Dropout Voltage
AMS1085/-1.5/-2.5/-
2.85/ -3.0/-3.3/-3.5/-5.0
V
1.2
1.3
∆VOUT , ∆VREF = 1%, IOUT = 3 A (Note 4)
(VIN - V
)
OUT
Advanced Monolithic Systems, Inc. www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723
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