as2815 ETC-unknow, as2815 Datasheet

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as2815

Manufacturer Part Number
as2815
Description
1.5a Dropout Voltage Regulator Adjustable Fixed Output, Fast Response
Manufacturer
ETC-unknow
Datasheet

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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
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 I
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
X = Output Voltage (i.e. 1.5 for 1.5V, 2.5 for 2.5V etc.).
Y = Output Tolerance, Y= A for 1% or
Consult with factory for other fixed output voltages
AS2815YU-X
TO-220
3-PIN
Blank for 2%
DD PLASTIC
AS2815YT-X
3-PIN
AS2815YR-X
TO-252
DPAK
Q
of this device flows into the load, which increases efficiency.
ADJ/GND V
TO-263-3 (T)
1
Top View
AS2815
OUT
2
OPERERATING JUNCTION
PIN CONNECTIONS
V
3
IN
TEMP RANGE
-45 to +125°C
ADJ/GND V
TO-220-3 (U)
1.5A Low Dropout Voltage Regulator
Front View
AS2815
1
2
OUT
3
APPLICATIONS
• Powering VGA & Sound Card
• Power PCSupplies
• SMPS Post-Regulator
• High Efficiency “Green” Computer Systems
• High Efficiency Linear Power Supplies
• Portable Instrumentation
• Constant Current Regulators
• Adjustable Power Supplies
• Battery charger
V
IN
ADJ/GND
Adjustable & Fixed Output,
Front View
TO-252 (R)
1
AS2815
V
OUT
2
V
3
IN
Fast Response
AS2815
Rev. 10/11/00

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as2815 Summary of contents

Page 1

... Similar To Industry Standard LT1086/LT1586 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 ...

Page 2

... 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 ELECTRICAL CHARACTERISTICS PARAMETER 1.5V Version Output Voltage (Note 2) AS2815-1.5V, 0 ≤I 2.5V Version Output Voltage (Note 2) AS2815-2.5V,0 ≤ ...

Page 3

... Thermal Consideration Although the AS2815 offers some limiting circuitry for overload conditions necessary not to exceed the maximum junction temperature, and therefore to be careful about thermal resistance. The heat flow will follow the lowest resistance path, which is the Junction-to-case thermal resistance ...

Page 4

... For most operating conditions a capacitance of 22uF tantalum or 100uF electrolytic will ensure stability and prevent oscillation. R Parasitic Line P Resistance Connect Case of Regulator Connect R to Load AS2815 C1 10uF Basic Fixed Regulator is preset to the specifications OUT Rev.10/11/00 AS2815 V OUT 3.3V C1 10uF ...

Page 5

... OUT REF 2 ADJ Fig. 5 Typical Adjustable Regulator V IN OUT IN AS2815 (Note A) ADJ + 10µF 1k TTL 2N3904 Input 1k Note (Intended IN(MIN) OUT DROPOUT (MAX) Fig.7 5V Regulator with Shutdown AS2815 V OUT 121Ω 100µF 365Ω Rev. 10/11/00 ...

Page 6

... TYPICAL CHARACTERISTICS AS2815 Rev. 10/11/00 ...

Page 7

... AS2815 (4.470 ± 0.127) (1.270 0.051) ± Rev. 10/11/00 ...

Page 8

... Tapered 1 2 Sides SEATING PLANE 1.020 ± 0.015 (25.910 ± 0.381) 0.015 ± 0.010/-0.015 (2.667± 0.254/-0.381) Rev. 10/11/00 AS2815 ...

Page 9

... AS2815 4,5 4 Rev. 10/11/00 ...

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