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AMS1508CT-2.85 데이터시트(Datasheet) 2 Page - Advanced Monolithic Systems

부품명 AMS1508CT-2.85
상세내용  8A LOW DROPOUT VOLTAGE REGULATOR
PDF  9 Pages
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제조사  ADMOS [Advanced Monolithic Systems]
홈페이지  http://www.advanced-monolithic.com
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 2 page
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Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com
Phone (925) 443-0722
Fax (925) 443-0723
AMS1508
ABSOLUTE MAXIMUM RATINGS (Note 1)
VPOWER Input Voltage
7V
Soldering information
VCONTROL Input Voltage
13V
Lead Temperature (25 sec)
265
°C
Operating Junction Temperature
Thermal Resistance
Control Section
0
°C to 125°C
TO-220 package
ϕ
JA= 50°C/W
Power Transistor
0
°C to 150°C
TO-263 package
ϕ
JA= 30°C/W*
Storage temperature
- 65
°C to +150°C
* With package soldering to 0.5in
2 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
AMS1508
VCONTROL = 2.75V, VPOWER =2V, ILOAD = 10mA
VCONTROL = 2.7V to 12V, VPOWER =3.3V to 5.5V,
ILOAD = 10mA to 8A
1.243
1.237
1.250
1.250
1.258
1.263
V
V
Output Voltage
AMS1508-1.5
VCONTROL = 4V, VPOWER =2.V, ILOAD = 0mA
VCONTROL = 3V, VPOWER =2.3V, ILOAD = 0mA to 8A
1.491
1.485
1.500
1.500
1.509
1.515
V
V
AMS1508-2.5
VCONTROL = 5V, VPOWER =3.3V, ILOAD = 0mA
VCONTROL = 4V, VPOWER =3.3V, ILOAD = 0mA to 8A
2.485
2.475
2.500
2.500
2.515
2.525
V
V
AMS1508-2.85
VCONTROL = 5.35V, VPOWER =3.35V, ILOAD = 0mA
VCONTROL = 4.4V, VPOWER =3.7V, ILOAD = 0mA to 8A
2.821
2.833
2.850
2.850
2.879
2.867
V
V
AMS1508-3.0
VCONTROL = 5.5V, VPOWER =3.5V, ILOAD = 0mA
VCONTROL = 4.5V, VPOWER =3.8V, ILOAD = 0mA to 8A
2.982
2.970
3.000
3.000
3.018
3.030
V
V
AMS1508-3.3
VCONTROL = 5.8V, VPOWER =3.8V, ILOAD = 0mA
VCONTROL = 4.8V, VPOWER =4.1V, ILOAD = 0mA to 8A
3.280
3.235
3.300
3.300
3.320
3.333
V
V
AMS1508-3.5
VCONTROL = 6V, VPOWER =4V, ILOAD = 0mA
VCONTROL = 5V, VPOWER =4.3V, ILOAD = 0mA to 8A
3.479
3.430
3.500
3.500
3.521
3.535
V
V
AMS1508-5.0
VCONTROL = 7.5V, VPOWER =5.5V, ILOAD = 0mA
VCONTROL = 6.5V, VPOWER =5.8V, ILOAD = 0mA to 8A
4.930
4.950
5.000
5.000
5.030
5.050
V
V
Line Regulation
AMS1508/-1.5/-2.5/-2.85/
-3.0/-3.3/-3.5/-5.0
ILOAD = 10 mA , 1.5V≤ (VCONTROL - VOUT) ≤ 12V
0.8V
≤ (V
POWER - VOUT) ≤ 5.5V
1
3
mV
Load Regulation
AMS1508/-1.5/-2.5/-2.85/
-3.0/-3.3/-3.5/-5.0
VCONTROL = VOUT + 2.5V, VPOWER =VOUT + 0.8V,
ILOAD = 10mA to 8A
1
5
mV
Minimum Load
Current
AMS1508
VCONTROL = 5V, VPOWER =3.3V, VADJ = 0V (Note 3)
5
10
mA
Control Pin Current
(Note 4)
AMS1508/-1.5/-2.5/-2.85/
-3.0/-3.3/-3.5/-5.0
VCONTROL = VOUT + 2.5V, VPOWER =VOUT + 0.8V,
ILOAD = 10mA to 8A
80
135
mA
Ground Pin Current
(Note 4)
AMS1508-1.5/-2.5/-2.85/
-3.0/-3.3/-3.5/-5.0
VCONTROL = VOUT + 2.5V, VPOWER =VOUT + 0.8V,
ILOAD = 10mA to 8A
6
10
mA
Adjust Pin Current
AMS1508
VCONTROL = 2.75V, VPOWER = 2.05V, ILOAD = 10mA
50
120
µA
Current Limit
AMS1508/-1.5/-2.5/-2.85/
-3.0/-3.3/-3.5/-5.0
(VIN - VOUT) = 5V
7.1
8.0
A
Ripple Rejection
AMS1508/-1.5/-2.5/-2.85/
-3.0/-3.3/-3.5/-5.0
VCONTROL = VPOWER = VOUT + 2.5V, VRIPPLE = 1VP-P
ILOAD = 4A
60
80
dB
Thermal Regulation
AMS1508
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




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