AMS2501 Ver la hoja de datos (PDF) - Advanced Monolithic Systems Inc
Número de pieza
componentes Descripción
Fabricante
AMS2501 Datasheet PDF : 8 Pages
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ABSOLUTE MAXIMUM RATINGS (Note 1)
VPOWER Input Voltage
7V
VCONTROL Input Voltage
13V
Operating Junction Temperature
Control Section
0°C to 125°C
Power Transistor
0°C to 150°C
Storage temperature
- 65°C to +150°C
AMS2501/AMS2502
Soldering information
Lead Temperature (25 sec)
Thermal Resistance
SO-8 package
265°C
ϕ 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
1.238 1.250
1.262
V
VCONTROL = 2.7V to 12V, VPOWER =3.3V to 5.5V,
1.232 1.250
1.268
V
ILOAD = 10mA to 1A
Output Voltage
AMS2501/AMS2502-1.5 VCONTROL = 4V, VPOWER =2.V, ILOAD = 0mA
1.491 1.500
1.509
V
VCONTROL = 3V, VPOWER =2.3V, ILOAD = 0mA to 1A
1.485 1.500
1.515
V
AMS2501/AMS2502-1.8 VCONTROL = 4V, VPOWER =2.V, ILOAD = 0mA
1.782 1.800
1.818
V
VCONTROL = 3V, VPOWER =2.3V, ILOAD = 0mA to 1A
1.773 1.800
1.827
V
AMS2501/AMS2502-2.5 VCONTROL = 5V, VPOWER =3.3V, ILOAD = 0mA
2.485 2.500
2.515
V
VCONTROL = 4V, VPOWER =3.3V, ILOAD = 0mA to 1A
2.475 2.500
2.525
V
AMS2501/AMS2502-2.85 VCONTROL = 5.35V, VPOWER =3.35V, ILOAD = 0mA
2.821 2.850
2.879
V
VCONTROL = 4.4V, VPOWER =3.7V, ILOAD = 0mA to 1A
2.833
2.850
2.867
V
AMS2501/AMS2502-3.0 VCONTROL = 5.5V, VPOWER =3.5V, ILOAD = 0mA
2.982 3.000
3.018
V
VCONTROL = 4.5V, VPOWER =3.8V, ILOAD = 0mA to 1A
2.970
3.000
3.030
V
AMS2501/AMS2502-3.3 VCONTROL = 5.8V, VPOWER =3.8V, ILOAD = 0mA
3.280 3.300
3.320
V
VCONTROL = 4.8V, VPOWER =4.1V, ILOAD = 0mA to 1A
3.235
3.300
3.333
V
AMS2501/AMS2502-3.5 VCONTROL = 6V, VPOWER =4V, ILOAD = 0mA
3.479 3.500
3.521
V
VCONTROL = 5V, VPOWER =4.3V, ILOAD = 0mA to 1A
3.430 3.500
3.535
V
AMS2501/AMS2502-5.0 VCONTROL = 7.5V, VPOWER =5.5V, ILOAD = 0mA
4.930 5.000
5.030
V
VCONTROL = 6.5V, VPOWER =5.8V, ILOAD = 0mA to 1A
4.950
5.000
5.050
V
Line Regulation
AMS2501/AMS2502-1.5/-
1.8/-2.5/-2.85/-3.0/-3.3/-
3.5/-5.0
ILOAD = 10 mA , 1.5V≤ (VCONTROL - VOUT) ≤ 12V
0.8V≤ (VPOWER - VOUT) ≤ 5.5V
1
3
mV
Load Regulation
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
1
5
mV
Minimum Load
Current
Control Pin Current
(Note 4)
AMS2501/AMS2502
VCONTROL = 5V, VPOWER =3.3V, VADJ = 0V (Note 3)
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
5
10
mA
10
16
mA
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
6
10
mA
Adjust Pin Current AMS2501/AMS2502
VCONTROL = 2.75V, VPOWER = 2.05V, ILOAD = 10mA
40
120
µA
Current Limit
AMS2501/AMS2502-1.5/-
1.8/-2.5/-2.85/-3.0/-3.3/-
3.5/-5.0
VPOWER =VOUT + 0.8V
1.0
1.2
1.5
A
Ripple Rejection
AMS2501/AMS2502-1.5/- VCONTROL = VPOWER = VOUT + 2.5V, VRIPPLE = 1VP-P
60
80
dB
1.8/-2.5/-2.85/-3.0/-3.3/-
3.5/-5.0
ILOAD = 1A
Advanced Monolithic Systems, Inc. www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723
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