AMS1505
ABSOLUTE MAXIMUM RATINGS (Note 1)
VPOWER Input Voltage
VCONTROL Input Voltage
7V
13V
Soldering information
Lead Temperature (10 sec)
Thermal Resistance
TO-220 package
300°C
Operating Junction Temperature
Control Section
Power Transistor
Storage temperature
0°C to 125°C
0°C to 150°C
- 65°C to +150°C
j
JA= 50°C/W
JA= 30°C/W*
TO-263 package
j
* With package soldering to 0.5in2 copper area over backside ground
plane or internal power plane j JA can vary from 20°C/W to >40°C/W
depending on mounting technique.
ELECTRICAL CHARACTERISTICS
Electrical Characteristics at ILOAD = 0 mA, and TJ = +25°C unless otherwise specified.
Parameter
Device
Conditions
Min
Typ
Max
Units
Reference Voltage
AMS1505
VCONTROL = 2.75V, VPOWER =2V, ILOAD = 10mA
VCONTROL = 2.7V to 12V, VPOWER =3.3V to 5.5V,
ILOAD = 10mA to 5A
1.243
1.237
1.250
1.250
1.258
1.263
V
V
Output Voltage
AMS1505-1.5
VCONTROL = 4V, VPOWER =2.V, ILOAD = 0mA
VCONTROL = 3V, VPOWER =2.3V, ILOAD = 0mA to 5A
1.491
1.485
1.500
1.500
1.509
1.515
V
V
AMS1505-2.5
AMS1505-2.85
AMS1505-3.0
AMS1505-3.3
AMS1505-3.5
AMS1505-5.0
VCONTROL = 5V, VPOWER =3.3V, ILOAD = 0mA
VCONTROL = 4V, VPOWER =3.3V, ILOAD = 0mA to 5A
2.485
2.475
2.500
2.500
2.515
2.525
V
V
VCONTROL = 5.35V, VPOWER =3.35V, ILOAD = 0mA
VCONTROL = 4.4V, VPOWER =3.7V, ILOAD = 0mA to 5A
2.821
2.833
2.850
2.850
2.879
2.867
V
V
VCONTROL = 5.5V, VPOWER =3.5V, ILOAD = 0mA
VCONTROL = 4.5V, VPOWER =3.8V, ILOAD = 0mA to 5A
2.982
2.970
3.000
3.000
3.018
3.030
V
V
VCONTROL = 5.8V, VPOWER =3.8V, ILOAD = 0mA
VCONTROL = 4.8V, VPOWER =4.1V, ILOAD = 0mA to 5A
3.280
3.235
3.300
3.300
3.320
3.333
V
V
VCONTROL = 6V, VPOWER =4V, ILOAD = 0mA
VCONTROL = 5V, VPOWER =4.3V, ILOAD = 0mA to 5A
3.479
3.430
3.500
3.500
3.521
3.535
V
V
VCONTROL = 7.5V, VPOWER =5.5V, ILOAD = 0mA
VCONTROL = 6.5V, VPOWER =5.8V, ILOAD = 0mA to 5A
4.930
4.950
5.000
5.000
5.030
5.050
V
V
Line Regulation
Load Regulation
AMS1505/-1.5/-2.5/
mV
1
3
ILOAD = 10 mA , 1.5V£ (VCONTROL - VOUT) £ 12V
0.8V£ (VPOWER - VOUT) £ 5.5V
-2.85/-3.0/-3.3/-3.5/-5.0
AMS1505/-1.5/-2.5/
-2.85/-3.0/-3.3/-3.5/-5.0
AMS1505
VCONTROL = VOUT + 2.5V, VPOWER =VOUT + 0.8V,
ILOAD = 10mA to 5A
mV
1
5
Minimum Load
Current
VCONTROL = 5V, VPOWER =3.3V, VADJ = 0V (Note 3)
mA
mA
5
10
85
Control Pin Current
(Note 4)
AMS1505/-1.5/-2.5/
VCONTROL = VOUT + 2.5V, VPOWER =VOUT + 0.8V,
ILOAD = 10mA to 5A
50
-2.85/-3.0/-3.3/-3.5/-5.0
Ground Pin Current
(Note 4)
AMS1505/-1.5/-2.5/
VCONTROL = VOUT + 2.5V, VPOWER =VOUT + 0.8V,
ILOAD = 10mA to 5A
mA
6
10
-2.85/-3.0/-3.3/-3.5/-5.0
Adjust Pin Current
Current Limit
AMS1505
VCONTROL = 2.75V, VPOWER = 2.05V, ILOAD = 10mA
(VIN - VOUT) = 5V
50
120
mA
AMS1505/-1.5/-2.5/
-2.85/-3.0/-3.3/-3.5/-5.0
AMS1505/-1.5/-2.5/
-2.85/-3.0/-3.3/-3.5/-5.0
A
7.1
8.0
Ripple Rejection
VCONTROL = VPOWER = VOUT + 2.5V, VRIPPLE = 1VP-P
ILOAD = 2A
60
80
dB
Thermal Regulation
AMS1505
TA = 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
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
ADMOS [ ADVANCED MONOLITHIC SYSTEMS ]
