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PDF AMC7587 Data sheet ( Hoja de datos )
| Número de pieza | AMC7587 | |
| Descripción | 1.5A LOW DROPOUT REGULATOR | |
| Fabricantes | ADD Microtech | |
| Logotipo |  |
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AMC DOC. #: AMC7587_F (LF)
Feb. 2005
^^
A®
DD MICROTECH CORP.
DESCRIPTION
The AMC7587 is a high performance low dropout regulator
rated for 1.5A output current with fixed 1.8V/2.5V/3.3V/5.0V
and adjustable output. It is designed for use in applications
requiring low dropout characteristics over the rated current
range.
On chip trimming adjusts the reference voltage to 1%. These
features are ideal for low voltage microprocessor applications
requiring a regulated 2.5V to 3.6V power supply.
In addition, the AMC7587 provides the device protections
including over current and thermal shutdown. Also, reverse
battery protection scheme limits the reverse current when the
input voltage falls below the output.
AMC7587
1.5A LOW DROPOUT REGULATOR
FEATURES
Input-Output differential of typical
1.1V at 1.5A and low quiescent
current
Output current is excess of 1.5A
Fast transient response
Reverse battery protection
Short circuit protection
Internal thermal overload protection
Available in 3L plastic TO-220, surface
mount 3L TO-263/252, and SOT223
packages
Pin assignment identical to EZ1585B
and LT1585A series.
APPLICATIONS
Pentium® Processor Supplies
PowerPCTM Supplies
Computer Add-On Cards
Other Applications Requiring Low
Dropout Voltage Over Rated Current.
AMC7587-1.8 – 1.8V Fixed
AMC7587-2.5 – 2.5V Fixed
AMC7587-3.3 – 3.3V Fixed
AMC7587-5.0 – 5.0V Fixed
AMC7587-ADJ – Adjustable
PACKAGE PIN OUT
VIN
VOUT
ADJ/GND
3-Pin Plastic TO-220 (T)
(Top View)
VIN
VOUT
ADJ/GND
3-Pin Plastic TO-252(SJ)
Surface Mount
(Top View)
VIN
VOUT
ADJ/GND
3-Pin Plastic TO-263(ST)
Surface Mount
(Top View)
VIN
VOUT
ADJ/GND
3-Pin Plastic SOT-223(SK)
Surface Mount
(Top View)
TA (OC) T
TO-220
3-pin
ORDER INFORMATION
TO-263
ST 3-pin
SOT-223
SK 3-pin
TO-252
SJ 3-pin
AMC7587-X.XT
AMC7587-X.XST
AMC7587-X.XSK
AMC7587-X.XSJ
AMC7587-X.XTF(Lead Free) AMC7587-X.XSTF(Lead Free) AMC7587-X.XSKF(Lead Free) AMC7587-X.XSJF(Lead Free)
0 to 70
AMC7587-ADJT
AMC7587-ADJST
AMC7587-ADJSK
AMC7587-ADJSJ
Note:
AMC7587-ADJTF(Lead Free) AMC7587-ADJSTF(Lead Free) AMC7587-ADJSKF(Lead Free) AMC7587-ADJSJF(Lead Free)
1.All surface-mount packages are available in Tape & Reel. Append the letter “T” to part number (i.e.,
AMC7587-X.XSTT, AMC7587-X.XSKT, AMC7587-X.XSJT).
2.The letter “F” is marked for Lead Free process .
Copyright © 2002, 2003, 2004 ADD Microtech Corp.
1
www.addmtek.com
1 page  
AMC DOC. #: AMC7587_F (LF)
Feb. 2005
AMC7587
1.5A LOW DROPOUT REGULATOR
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, VIN = VOUT + 2V, IO = 10mA. These specifications apply operating ambient temperature
range, and are for DC characteristics only. (Low duty cycle pulse testing techniques are used which maintains
junction and case temperatures equal to the ambient temperature.)
Parameter
Symbol
Test Conditions
AMC7587
Min. Typ. Max.
Units
AMC7587-1.8
Output Voltage AMC7587-2.5
AMC7587-3.3
AMC7587-5.0
VOUT
TA = 25 OC
TA = 25 OC
TA = 25 OC
TA = 25 OC
1.782
2.475
3.267
4.950
1.800
2.500
3.300
5.000
1.818
2.525
3.333
5.050
V
AMC7587-1.8
1.771 1.800 1.829
AMC7587-2.5
Output Voltage AMC7587-3.3
VOUT
IO = 10mA to 1.5A
2.460
3.247
2.500
3.300
2.540
3.353
V
Reference
Voltage
AMC7587-5.0
AMC7587-ADJ VREF
(Note 1)
IO = 10mA to 1.5A, (Note 1)
4.920
1.238
1.230
5.000
1.250
1.250
5.080
1.262
1.270
V
Line Regulation (Note 2)
VOI (1.5V + VOUT) ≤ VIN ≤ 7V
0.04 0.2
%
Load regulation (Note 2)
VOL IO = 10mA to 1.5A
0.08 0.3
%
Dropout Voltage
Quiescent Current
( for AMC7587-X.X)
V (Note 3)
IO = 10mA
IO = 1.5A
IQ VIN ≤ 7V, IO = 10mA to 1.5A
1.00 1.15
1.15 1.30
V
8 13 mA
Adjust Pin Current
( for AMC7587-ADJ)
Current Limit
Minimum Load Current (Note 4)
IADJ
ICL (VIN - VOUT ) = 2V
Imin
50 120 µA
1.5 3
A
5 10 mA
Ripple Rejection (Note 5)
RR
VRIPPLE = 1VPP, IO = 100mA, fo=120
HZ
60
80
dB
Note 1 Output voltage is set to be 2.5V.
Note 2: Line and load regulations are guaranteed up to maximum power dissipation determined by input/output
differential and the output current. However, the maximum power will not be available over the full
input/output voltage range.
Note 3: The specifications represent the minimum input/output voltage required to maintain 1% regulation.
Note 4: The minimum load current is the minimum current required to maintain regulation. Normally the current in the
resistor divider used to set the output voltage is selected to meet the minimum load current requirement.
Note 5: These parameters, although guaranteed, are not tested in production prior to shipment
Copyright © 2002, 2003, 2004 ADD Microtech Corp.
5
www.addmtek.com
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet AMC7587.PDF ] | |
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