AMS1508-2.85 Просмотр технического описания (PDF) - Advanced Monolithic Systems Inc
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AMS1508-2.85 Datasheet PDF : 9 Pages
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AMS1508
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
Soldering information
Lead Temperature (25 sec)
265°C
Thermal Resistance
TO-220 package
ϕ JA= 50°C/W
TO-263 package
ϕ JA= 30°C/W*
* With package soldering to 0.5in2 copper area over backside ground
plane or internal power plane ϕ 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
Output Voltage
Line Regulation
Load Regulation
Minimum Load
Current
Control Pin Current
(Note 4)
Ground Pin Current
(Note 4)
Adjust Pin Current
Current Limit
Ripple Rejection
Thermal Regulation
Thermal Resistance
Junction-to-Case
AMS1508
AMS1508-1.5
AMS1508-2.5
AMS1508-2.85
AMS1508-3.0
AMS1508-3.3
AMS1508-3.5
AMS1508-5.0
AMS1508/-1.5/-2.5/-2.85/
-3.0/-3.3/-3.5/-5.0
AMS1508/-1.5/-2.5/-2.85/
-3.0/-3.3/-3.5/-5.0
AMS1508
AMS1508/-1.5/-2.5/-2.85/
-3.0/-3.3/-3.5/-5.0
AMS1508-1.5/-2.5/-2.85/
-3.0/-3.3/-3.5/-5.0
AMS1508
AMS1508/-1.5/-2.5/-2.85/
-3.0/-3.3/-3.5/-5.0
AMS1508/-1.5/-2.5/-2.85/
-3.0/-3.3/-3.5/-5.0
AMS1508
VCONTROL = 2.75V, VPOWER =2V, ILOAD = 10mA
VCONTROL = 2.7V to 12V, VPOWER =3.3V to 5.5V,
ILOAD = 10mA to 8A
VCONTROL = 4V, VPOWER =2.V, ILOAD = 0mA
VCONTROL = 3V, VPOWER =2.3V, ILOAD = 0mA to 8A
VCONTROL = 5V, VPOWER =3.3V, ILOAD = 0mA
VCONTROL = 4V, VPOWER =3.3V, ILOAD = 0mA to 8A
VCONTROL = 5.35V, VPOWER =3.35V, ILOAD = 0mA
VCONTROL = 4.4V, VPOWER =3.7V, ILOAD = 0mA to 8A
VCONTROL = 5.5V, VPOWER =3.5V, ILOAD = 0mA
VCONTROL = 4.5V, VPOWER =3.8V, ILOAD = 0mA to 8A
VCONTROL = 5.8V, VPOWER =3.8V, ILOAD = 0mA
VCONTROL = 4.8V, VPOWER =4.1V, ILOAD = 0mA to 8A
VCONTROL = 6V, VPOWER =4V, ILOAD = 0mA
VCONTROL = 5V, VPOWER =4.3V, ILOAD = 0mA to 8A
VCONTROL = 7.5V, VPOWER =5.5V, ILOAD = 0mA
VCONTROL = 6.5V, VPOWER =5.8V, ILOAD = 0mA to 8A
ILOAD = 10 mA , 1.5V≤ (VCONTROL - VOUT) ≤ 12V
0.8V≤ (VPOWER - VOUT) ≤ 5.5V
VCONTROL = VOUT + 2.5V, VPOWER =VOUT + 0.8V,
ILOAD = 10mA to 8A
VCONTROL = 5V, VPOWER =3.3V, VADJ = 0V (Note 3)
VCONTROL = VOUT + 2.5V, VPOWER =VOUT + 0.8V,
ILOAD = 10mA to 8A
VCONTROL = VOUT + 2.5V, VPOWER =VOUT + 0.8V,
ILOAD = 10mA to 8A
VCONTROL = 2.75V, VPOWER = 2.05V, ILOAD = 10mA
(VIN - VOUT) = 5V
VCONTROL = VPOWER = VOUT + 2.5V, VRIPPLE = 1VP-P
ILOAD = 4A
TA = 25°C, 30ms pulse
T Package: Control Circuitry/ Power Transistor
M Package: Control Circuitry/ Power Transistor
1.243
1.237
1.250
1.250
1.491
1.485
2.485
2.475
2.821
2.833
2.982
2.970
3.280
3.235
3.479
3.430
4.930
4.950
1.500
1.500
2.500
2.500
2.850
2.850
3.000
3.000
3.300
3.300
3.500
3.500
5.000
5.000
1
1
5
80
6
50
7.1
8.0
60
80
0.002
1.258
1.263
1.509
1.515
2.515
2.525
2.879
2.867
3.018
3.030
3.320
3.333
3.521
3.535
5.030
5.050
3
5
10
135
10
120
0.020
0.65/2.70
0.65/2.70
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
mV
mV
mA
mA
mA
µA
A
dB
%W
°C/W
°C/W
Advanced Monolithic Systems, Inc. www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723
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