AMS1587CT-35 반도체 회로 부품 판매점
3A LOW DROPOUT VOLTAGE REGULATOR
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 Advanced Monolithic Systems |
Advanced
Monolithic
Systems
AMS1587
3A LOW DROPOUT VOLTAGE REGULATOR
FEATURES
• Three Terminal Adjustable or Fixed Voltages
1.5V, 2.5V, 2.85V, 3.0V, 3.3V, 3.5V and 5.0V
• Output Current of 3A
• Operates Down to 1V Dropout
• Fast Transient response
• Line Regulation: 0.015%
• TO-220, TO-263 and TO-252 packages available
APPLICATIONS
• High Efficiency Linear Regulators
• Post Regulators for Switching Supplies
• Microprocessor Supply
• Battery Chargers
• Constant Current Regulators
• Notebook/Personal Computer Supplies
• Portable Instrumentation
GENERAL DESCRIPTION
TThhee AMS1587 series of adjustable and fixed voltage regulators are designed to provide 3A output current and to operate
down to 1V input-to-output differential. The dropout voltage of the device is guaranteed maximum 1.3V at maximum output
current, decreasing at lower load currents.
On-chip trimming adjusts the reference voltage to 1%. Current limit is also trimmed, minimizing the stress under overload
conditions on both the regulator and power source circuitry.
The AMS1587 devices are pin compatible with older three-terminal regulators and are offered in 3 lead TO-220 package, 3
and 2 lead TO-263 (Plastic DD) and TO-252 (D PAK) package.
ORDERING INFORMATION:
3 LEAD TO-220
AMS1587CT
AMS1587CT-1.5
AMS1587CT-2.5
AMS1587CT-2.85
AMS1587CT-3.0
AMS1587CT-3.3
AMS1587CT-3.5
AMS1587CT-5.0
PACKAGE TYPE
2&3 LEAD TO-263
TO-252
AMS1587CM
AMS1587CM-1.5
AMS1587CM-2.5
AMS1587CM-2.85
AMS1587CM-3.0
AMS1587CM-3.3
AMS1587CM-3.5
AMS1587CM-5.0
AMS1587CD
AMS1587CD-1.5
AMS1587CD-2.5
AMS1587CD-2.85
AMS1587CD-3.0
AMS1587CD-3.3
AMS1587CD-3.5
AMS1587CD-5.0
PIN CONNECTIONS
FIXED VERSION
1- Ground
2- VOUT
3- VIN
ADJUSTABLE VERSION
1- Adjust
2- VOUT
3- VIN
OPERATING JUNCTION
TEMPERATURE RANGE
0 to 125° C
0 to 125° C
0 to 125° C
0 to 125° C
0 to 125° C
0 to 125° C
0 to 125° C
0 to 125° C
TO-252 FRONT VIEW
TAB IS
OUTPUT
3
2
1
2L TO-263 FRONT VIEW
TAB IS
OUTPUT
3
2
1
TO-220 FRONT VIEW
TAB IS
OUTPUT
3
2
1
3L TO-263 FRONT VIEW
TAB IS
OUTPUT
3
2
1
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
ABSOLUTE MAXIMUM RATINGS (Note 1)
Power Dissipation
Internally limited
Input Voltage
15V
Operating Junction Temperature Range
Control Section
0°C to 125°C
Power Transistor
0°C to 150°C
Storage temperature
- 65°C to +150°C
AMS1587
Soldering information
Lead Temperature (10 sec)
300°C
Thermal Resistance
TO-220 package
ϕ JA= 50°C/W
TO-263 package
ϕ JA= 30°C/W *
TO-252 package
ϕ JA= 100°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 IOUT = 0 mA, and TJ = +25°C unless otherwise specified.
Parameter
Device
Conditions
Min Typ Max Units
Reference Voltage
(Note 2)
Output Voltage
(Note 2)
Line Regulation
Load Regulation
(Notes 2, 3)
Dropout Voltage
(VIN - VOUT)
AMS1587
AMS1587-1.5
IOUT = 10 mA
10mA ≤ IOUT ≤ 3A, 1.5V≤ (VIN - VOUT) ≤ 12V
0 ≤ IOUT ≤ 3A , 3V≤ VIN ≤ 12V
AMS1587-2.5
0 ≤ IOUT ≤ 3A , 4V≤ VIN ≤ 12V
AMS1587-2.85
0 ≤ IOUT ≤ 3A , 4.35V≤ VIN ≤ 12V
AMS1587-3.0
0 ≤ IOUT ≤ 3A , 4.5V ≤ VIN ≤ 12V
AMS1587-3.3
0 ≤ IOUT ≤ 3A , 4.75V ≤ VIN ≤ 12V
AMS1587-3.5
0 ≤ IOUT ≤ 3A , 5V ≤ VIN ≤ 12V
AMS1587-5.0
0 ≤ IOUT ≤ 3A , 6.5V ≤ VIN ≤ 12V
AMS1587/-1.5/-2.5/-2.85/
-3.0/-3.3/-3.5/-5.0
AMS1587
ILOAD = 10 mA , 1.5V≤ (VIN - VOUT) ≤ 12V
(VIN - VOUT) =3V, 10mA ≤ IOUT ≤ 3A
AMS1587-1.5
AMS1587-2.5
AMS1587-2.85
AMS1587-3.0
AMS1587-3.3
AMS1587-3.5
AMS1587-5.0
VIN = 5V, 0 ≤ IOUT ≤ 3A
VIN = 5V, 0 ≤ IOUT ≤ 3A
VIN = 5V, 0 ≤ IOUT ≤ 3A
VIN = 5V, 0 ≤ IOUT ≤ 3A
VIN = 5V, 0 ≤ IOUT ≤ 3A
VIN = 5.25V, 0 ≤ IOUT ≤ 3A
VIN = 8V, 0 ≤ IOUT ≤ 3A
AMS1587/-1.5/-2.5/-2.85/ ∆VOUT , ∆VREF = 1%, IOUT = 3 A (Note 4)
-3.0/-3.3/-3.5/-5.0
1.238
1.225
1.485
1.470
2.475
2.450
2.82
2.79
2.970
2.940
3.267
3.235
3.465
3.430
4.950
4.900
1.250
1.250
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
0.3
0.6
0.1
0.2
3
6
3
6
3
6
3
6
3
7
3
6
5
10
1.15
1.262
1.270
1.515
1.530
2.525
2.550
2.88
2.91
3.300
3.360
3.333
3.365
3.535
3.570
5.050
5.100
10
10
.03
.04
12
20
12
20
12
20
12
20
15
25
15
25
20
35
1.3
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
mV
mV
%
%
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
V
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
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AMS1587CT-35 regulator
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