AS2815 Regulator Datasheet

AS2815 Datasheet, PDF, Equivalent


Part Number

AS2815

Description

1.5A Low Dropout Voltage Regulator

Manufacture

Sipex Corporation

Total Page 9 Pages
Datasheet
Download AS2815 Datasheet


AS2815
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AS2815
1.5A Low Dropout Voltage Regulator
Adjustable & Fixed Output,
Fast Response
FEATURES
Adjustable Output Down To 1.2V
Fixed Output Voltages 1.5V, 2.5V, 3.3V, 5.0V
Output Current of 1.5A
Low Dropout Voltage 1.1V Typ.
Extremely Tight Load And Line Regulation
Current & Thermal Limiting
Standard 3-Terminal Low Cost TO-220, TO-263 & TO-252
Similar To Industry Standard LT1086/LT1586
APPLICATIONS
Powering VGA & Sound Card
Power PCSupplies
SMPS Post-Regulator
High Efficiency “Green” Computer Systems
High Efficiency Linear Power Supplies
Portable Instrumentation
Constant Current Regulators
Adjustable Power Supplies
Battery charger
PRODUCT DESCRIPTION
The AS2815 is a low power 1.5A adjustable and fixed voltage regulators that are very easy to use. It requires only 2 external resistors
to set the output voltage for adjustable version. The AS2815 are designed for low voltage applications that offers lower dropout
voltage and faster transient response. This device is an excellent choice for use in powering low voltage microprocessor that require a
lower dropout, faster transient response to regulate from +2.5V to 3.8V supplies and as a post regulator for switching supplies
applications. The AS2815 features low dropout of a maximum 1.2V.
The AS2815 offers over current limit and protection against over-current faults, reversed input polarity, reversed load insertion, and
positive and negative transient voltage. The IQ of this device flows into the load, which increases efficiency.
The AS2815 are offered in a 3-pin TO-220, TO-263 & TO-252 packages compatible with other 3 terminal regulators. For a 3A low
dropout regulator refer to the AS2830 data sheet.
ORDERING INFORMATION
TO-220
3-PIN
DD PLASTIC
3-PIN
TO-252
DPAK
OPERERATING JUNCTION
TEMP RANGE
AS2815YU-X
AS2815YT-X AS2815YR-X
-45 to +125°C
X = Output Voltage (i.e. 1.5 for 1.5V, 2.5 for 2.5V etc.).
Y = Output Tolerance, Y= A for 1% or
Blank for 2%
Consult with factory for other fixed output voltages
PIN CONNECTIONS
TO-263-3 (T)
TO-220-3 (U)
AS2815
1 23
AS2815
123
TO-252 (R)
AS2815
1 23
ADJ/GND VOUT VIN
Top View
ADJ/GND VOUT VIN
Front View
ADJ/GND VOUT VIN
Front View
Rev. 10/11/00

AS2815
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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 ......................
AS2815 Control Section ............................ -45°C +125°C
AS2815 Power Transistor...........................-45°C +150°C
AS2815
Maximum Input Supply Voltage .......................... 10V
Input to Output Voltage Differential .................... 10V
ELECTRICAL CHARACTERISTICS (NOTE 1) at IOUT = 10mA, Ta=25°C, unless otherwise specified.
PARAMETER
CONDITIONS
Typ
AS2815A
Min Max
1.5V Version
Output Voltage (Note 2)
2.5V Version
AS2815-1.5V, 0 IOUT1.5A, 2.75VVIN 7V
1.5
1.485
1.515
1.5
1.470
1.530
Output Voltage (Note 2)
AS2815-2.5V,0 IOUT1.5A, 3.5VVIN 7V
2.5
2.475
2.525
2.5
2.450
2.550
3.3V Version
Output Voltage (Note 2)
5.0V Version
Output Voltage (Note 2)
All Voltage Options
Reference Voltage (VREF)
Min. Load Current (Note 3)
AS2815-3.3V, 0 IOUT1.5A, 4.75VVIN 7V
AS2815-5.0V, 0 IOUT1.5A, 5.5VVIN 7V
VIN7V, PPMAX
1.5V(VIN -VOUT)5.75V, 10mAIOUT1.5A
1.5V(VIN -VOUT)5.75V
3.3
3.270
3.330
3.3
3.240
3.360
5.0 4.95 5.05
5.0 4.90 5.10
1.250
5
1.225
1.270
10
Line Regulation (VREF(VIN)) 2.75VVIN 7V, IOUT=10mA, TJ=25°C (Note 3)
0.005
0.2
VIN 7V, IOUT=0mA, TJ=25°C (Note 2)
0.005
0.2
Load Regulation(VREF(IOUT)) 10mAIOUT 1.5A, (VIN-VOUT)=3V, TJ=25°C
(Note 3)
0.05
0.3
AS2815
Min Max
1.470
1.455
1.530
1.545
2.450
2.425
2.550
2.575
3.230
3.201
3.370
3.399
4.900
4.850
5.100
5.150
1.225
1.270
10
0.2
0.2
0.3
Dropout Voltage
Current Limit
IOUT(MAX)
Long Term Stability
Thermal Regulation
(VOUT(Pwr))
Temperature Stability
(VOUT(T))
Output Noise, RMS
Thermal Resistance
0IOUT 1.5A, VIN=7V, TJ=25°C (Note 2)
VREF=1%
IOUT =1.5A (Note 3)
IOUT1.5A (Note 2)
VIN=7V
1.4V(VIN- VOUT) (Note3)
TA=125°C, 1000 Hrs.
TA=25°C, 20 ms pulse
0.05 0.3
1.1 1.2
0.3
1.2
2.5 1.7
1.7
0.3
(Note 2)
1
1
0.01 0.020
0.020
0.25
10Hz to 10khz
TO-220
DD Package
TA=25°C
Junction to Tab
Junction to Ambient
Junction to Tab
Junction to Ambient
0.003
3.0
60
3.0
60
3.0
60
3.0
60
Units
V
V
V
V
V
mA
%
%
%
%
V
A
%
%/W
%
% VO
°C/W
°C/W
The Bold specifications apply to the full operating temperature range.
Note 1: Changes in output voltage due to heating effects are covered under the specification for thermal regulation.
Note 2: Fixed Version Only
Note 3: Adjustable Version Only
Rev. 10/11/00


Features www.DataSheet4U.com AS2815 1.5A Low Dro pout Voltage Regulator Adjustable & Fix ed Output, Fast Response FEATURES • A djustable Output Down To 1.2V • Fixed Output Voltages 1.5V, 2.5V, 3.3V, 5.0V • Output Current of 1.5A • Low Dro pout Voltage 1.1V Typ. • Extremely Ti ght Load And Line Regulation • Curren t & Thermal Limiting • Standard 3-Ter minal Low Cost TO-220, TO-263 & TO-252 • Similar To Industry Standard LT1086 /LT1586 APPLICATIONS • Powering VGA & Sound Card • Power PCSupplies SMPS Post-Regulator • High Efficien cy “Green” Computer Systems • Hig h Efficiency Linear Power Supplies • Portable Instrumentation • Constant C urrent Regulators • Adjustable Power Supplies • Battery charger PRODUCT D ESCRIPTION The AS2815 is a low power 1. 5A adjustable and fixed voltage regulat ors that are very easy to use. It requi res only 2 external resistors to set th e output voltage for adjustable version . The AS2815 are designed for low voltage applications that offers lower dropout voltage and faster tra.
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