AS2810 Regulator Datasheet

AS2810 Datasheet, PDF, Equivalent


Part Number

AS2810

Description

1A Low Dropout Voltage Regulator

Manufacture

Sipex Corporation

Total Page 7 Pages
Datasheet
Download AS2810 Datasheet


AS2810
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AS2810
1A Low Dropout Voltage Regulator
Adjustable & Fixed Output,
Fast Response
FEATURES
Adjustable Output Down To 1.2V
Fixed Output Voltages 1.5V, 2.5V, 3.0V, 3.3V, 5.0V
Output Current Of 1A
Low Dropout Voltage 1.2V Typ.
Extremely Tight Load And Line Regulation
Current & Thermal Limiting
Standard 3-Terminal Low Cost TO-220, TO-263, TO-252 & SOT-223
APPLICATIONS
SCSI-II Active Terminator
Portable Palmtap/Notebook Computer
SMPS Post-Regulator
Disk Drives
Portable Consumer Equipment
Portable Instrumentation
Battery charger
PRODUCT DESCRIPTION
The AS2810 is a low power positive voltage regulator designed to meet 1A output current and comply with SCSI-II specifications with
fix output voltage of 2.85V. This device is an excellent choice for use in battery-powered applications and portable computers. The
AS2810 features very low quiescent current and very low dropout voltage of 1.2V at a full load and lower as output current decreases.
This product is available as adjustable or fixed 1.5V, 2.5V, 3.0V, 3.3V, and 5V output voltages.
The AS2810 is offered in a 3-pin surface mount packages SOT-223, TO-220, TO-252 & DD package. The output capacitor of 10µF
or larger is needed for the output stability of AS2810 as required by most other regulator circuits
ORDERING INFORMATION
TO-220
3-PIN
AS2810YU-X
DD PLASTIC
3-PIN
AS2810YT-X
SOT-223
3-PIN
AS2810YM3-X
TO-252
3-PIN
AS2810YR-X
X= Output Voltage (1.5V, 2.5V, 3.0V, 3.3V, 5.0V and Blank for Adj.)
Y= Output Tolerance, A for 1%
Blank for 2%
Consult with factory for other fixed voltages.
OPEPERATING JUNCTION
TEMP. RANGE
-45 to +125°C
PIN CONNECTIONS
SOT-223 (M3)
TO-263-3 (T)
TO-220-3 (U)
TO-252 (R)
AS2810
1 23
ADJ/ GND VOUT VIN
Top View
AS2810
1 23
ADJ/GND VOUT VIN
Top View
AS2810
123
ADJ/GND VOUT VIN
Front View
AS2810
1 23
ADJ/GND VOUT VIN
Front View
Rev. 10/2/00

AS2810
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ABSOLUTE MAXIMUM RATINGS
Lead Temp. (Soldering, 10 Seconds) .............................. 300°C
Storage Temperature Range ............................ -65° to +150°C
Operating Junction Temperature Range ......................
AS2810 Control Section ............................ -45°C +125°C
AS2810 Power Transistor...........................-45°C +150°C
AS2810
Input Voltage........................................................ 10V
Input to Output Voltage Differential .................... 10V
ELECTRICAL CHARACTERISTICS (NOTE 1) at IOUT = 10mA, TA=25°C, unless otherwise specified.
PARAMETER
CONDITIONS
Typ AS2810A
Min Max
1.5V Version
Output Voltage (Note 2)
AS2810-1.5V, 0 < IOUT < 1A, 3.3V<VIN<10V
1.5 1.485 1.515
1.47 1.53
2.5V Version
Output Voltage (Note 2)
AS2810-2.5V, 0 < IOUT < 1A, 4.0V<VIN<10V
2.5 2.475 2.525
2.45 2.55
2.85V Version
Output Voltage (Note 2)
3.0V Version
AS2810-2.85V, 0 IOUT 1A, 4.5VVIN10V 2.85
2.822
2.793
2.879
2.907
Output Voltage (Note 2)
AS2810-3.0V, 0 IOUT 1A, 4.5VVIN10V
3 2.970 3.030
2.940 3.060
3.3V Version
Output Voltage (Note 2)
AS2810-3.3V, 0 IOUT 1A, 4.8VVIN10V
3.3 3.267 3.333
3.234 3.366
5.0V Version
Output Voltage (Note 2)
AS2810-5.0V, 0 IOUT 1A, 6.5VVIN12V
5 4.950 5.050
4.900 5.100
All Voltage Options
Reference Voltage (VREF)
Min. Load Current (Note 3)
VIN7V, PPmax
1.5V(VIN -VOUT)5.75V, 10mAIOUT1A
1.5V(VIN –VOUT)5.75V
1.250
5
1.225
1.263
1.270
1.225
10
Line Regulation (VREF(Vin))
Load Regulation(VREF(IOUT))
Dropout Voltage
Current Limit
IOUT(MAX)
2.75VVIN 7V, IOUT=10mA, TJ=25ºC (Note 3)
VIN7V, IOUT=0mA, TJ=25ºC (Note 2)
10mAIOUT 1A, (VIN-VOUT)=3V, TJ=25ºC
(Note 3)
0IOUT 1A, VIN=7V, TJ=25ºC (Note 2)
VREF=1%
IOUT = 1A (Note 3)
IOUT 1A (Note 2)
VIN=7V
1.4V (VIN- VOUT) (Note3)
0.005
0.005
0.05
0.05
1.1
2
1.2
0.2
0.2
0.3
0.3
1.2
AS2810
UNITS
Min Max
1.470
1.455
1.530
1.545
V
2.450
2.425
2.550
2.575
V
2.793
2.650
2.907
2.936
2.94 3.06
2.79 3.09
V
V
3.234
3.069
3.366
3.399
V
4.9 5.1
4.65 5.15
V
1.225
1.212
1.270
1.288
10
0.2
0.2
0.3
0.3
1.2
V
mA
%
%
1.2 A
Rev. 10/2/00


Features www.DataSheet4U.com AS2810 1A Low Dropo ut Voltage Regulator Adjustable & Fixed Output, Fast Response FEATURES • Adj ustable Output Down To 1.2V • Fixed O utput Voltages 1.5V, 2.5V, 3.0V, 3.3V, 5.0V • Output Current Of 1A • Low D ropout Voltage 1.2V Typ. • Extremely Tight Load And Line Regulation • Curr ent & Thermal Limiting • Standard 3-T erminal Low Cost TO-220, TO-263, TO-252 & SOT-223 APPLICATIONS • SCSI-II Ac tive Terminator • Portable Palmtap/No tebook Computer • SMPS Post-Regulator • Disk Drives • Portable Consumer Equipment • Portable Instrumentation • Battery charger PRODUCT DESCRIPTIO N The AS2810 is a low power positive vo ltage regulator designed to meet 1A out put current and comply with SCSI-II spe cifications with fix output voltage of 2.85V. This device is an excellent choi ce for use in battery-powered applicati ons and portable computers. The AS2810 features very low quiescent current and very low dropout voltage of 1.2V at a full load and lower as output current decreases. Thi.
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