AMS2501/AMS2502
ABSOLUTE MAXIMUM RATINGS (Note 1)
VPOWER Input Voltage
7V
Soldering information
VCONTROL Input Voltage
Operating Junction Temperature
Control Section
Power Transistor
Storage temperature
13V
Lead Temperature (10 sec)
Thermal Resistance
SO-8 package
260°C
0°C to 125°C
0°C to 150°C
- 65°C to +150°C
j
JA= 160°C/W
ELECTRICAL CHARACTERISTICS
Electrical Characteristics at ILOAD = 0 mA, and TJ = +25°C unless otherwise specified.
Parameter
Device
Conditions
Min
Typ
Max
Units
Reference Voltage
AMS2501/AMS2502
VCONTROL = 2.75V, VPOWER =2V, ILOAD = 10mA
VCONTROL = 2.7V to 12V, VPOWER =3.3V to 5.5V,
ILOAD = 10mA to 1A
1.238
1.232
1.250
1.250
1.262
1.268
V
V
Output Voltage
AMS2501/AMS2502-1.5
VCONTROL = 4V, VPOWER =2.V, ILOAD = 0mA
VCONTROL = 3V, VPOWER =2.3V, ILOAD = 0mA to 1A
1.491
1.485
1.500
1.500
1.509
1.515
V
V
AMS2501/AMS2502-1.8
AMS2501/AMS2502-2.5
AMS2501/AMS2502-2.85
AMS2501/AMS2502-3.0
AMS2501/AMS2502-3.3
AMS2501/AMS2502-3.5
AMS2501/AMS2502-5.0
VCONTROL = 4V, VPOWER =2.V, ILOAD = 0mA
VCONTROL = 3V, VPOWER =2.3V, ILOAD = 0mA to 1A
1.782
1.773
1.800
1.800
1.818
1.827
V
V
VCONTROL = 5V, VPOWER =3.3V, ILOAD = 0mA
VCONTROL = 4V, VPOWER =3.3V, ILOAD = 0mA to 1A
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 1A
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 1A
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 1A
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 1A
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 1A
4.930
4.950
5.000
5.000
5.030
5.050
V
V
Line Regulation
Load Regulation
AMS2501/AMS2502-1.5/-
1.8/-2.5/-2.85/-3.0/-3.3/-
3.5/-5.0
mV
1
3
ILOAD = 10 mA , 1.5V£ (VCONTROL - VOUT) £ 12V
0.8V£ (VPOWER - VOUT) £ 5.5V
AMS2501/AMS2502-1.5/-
1.8/-2.5/-2.85/-3.0/-3.3/-
3.5/-5.0
VCONTROL = VOUT + 2.5V, VPOWER =VOUT + 0.8V,
ILOAD = 10mA to 1A
mV
1
5
Minimum Load
Current
AMS2501/AMS2502
VCONTROL = 5V, VPOWER =3.3V, VADJ = 0V (Note 3)
mA
mA
5
10
16
Control Pin Current
(Note 4)
AMS2501/AMS2502-1.5/-
1.8/-2.5/-2.85/-3.0/-3.3/-
3.5/-5.0
VCONTROL = VOUT + 2.5V, VPOWER =VOUT + 0.8V,
ILOAD = 10mA
10
Ground Pin Current
(Note 4)
AMS2501/AMS2502-1.5/-
1.8/-2.5/-2.85/-3.0/-3.3/-
3.5/-5.0
VCONTROL = VOUT + 2.5V, VPOWER =VOUT + 0.8V,
ILOAD = 10mA
mA
6
10
Adjust Pin Current
Current Limit
AMS2501/AMS2502
VCONTROL = 2.75V, VPOWER = 2.05V, ILOAD = 10mA
VPOWER =VOUT + 0.8V
40
120
1.5
mA
AMS2501/AMS2502-1.5/-
1.8/-2.5/-2.85/-3.0/-3.3/-
3.5/-5.0
A
1.0
1.2
Ripple Rejection
AMS2501/AMS2502-1.5/-
1.8/-2.5/-2.85/-3.0/-3.3/-
3.5/-5.0
VCONTROL = VPOWER = VOUT + 2.5V, VRIPPLE = 1VP-P
ILOAD = 1A
60
80
dB
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
ADMOS [ ADVANCED MONOLITHIC SYSTEMS ]
