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AS2830T-5.0 查看數據表(PDF) - Alpha Industries

零件编号产品描述 (功能)生产厂家
AS2830T-5.0 3A Low Dropout Voltage Regulator Adjustable & Fixed Output, Fast Response Alpha
Alpha Industries Alpha
AS2830T-5.0 Datasheet PDF : 7 Pages
1 2 3 4 5 6 7
α
ALPHA
SEMICONDUCTOR
Excellence in Analog Power Products
AS2830
3A Low Dropout Voltage Regulator
Adjustable & Fixed Output,
Fast Response
FEATURES
Adjustable Output Down To 1.2V
Fixed Output Voltages 1.5, 2.5, 3.3, 5.0V
Output Current Of 3A
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 LT1085/LT1585
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 ALPHA Semiconductor AS2830 are low power 3A 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 AS2830 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 AS2830 features low dropout of a maximum 1.2 volts.
The AS2830 offers over current limit and full protection against reversed input polarity, reversed load insertion, and positive and
negative transient voltage. On-Chip trimming adjusts the reference voltage to 1%. The IQ of this device flows into the load, which
increases efficiency.
The AS2830 are offered in a 3-pin TO-220, TO-263 & TO-252 packages compatible with other 3 terminal regulators. For a 5A low
dropout regulator refer to the AS2850 data sheet.
ORDERING INFORMATION
TO-220
DD PLASTIC
TO-252
3-PIN
3-PIN
DPAK
AS2830YU-X
AS2830YT-X AS2830YR-X
X = Output Voltage (i.e. 1.5 for 1.5V, 2.5 for 2.5V etc.)
Y= Output Tolerance, Y= A for 1%
Blank for 2%
Consult factory for other fixed voltages.
PIN CONNECTIONS
TO-263-3 (T)
TO-220-3 (U)
TO-252 (R)
ALPHA
AS2830
1 23
ADJ/GND VOUT VIN
Top View
ALPHA
AS2830
123
ADJ/GND VOUT VIN
Front View
ALPHA
AS2830
1 23
ADJ/GND VOUT VIN
Front View
Alpha Semiconductor Inc. 1031 Serpentine Lane. Pleasanton, CA 94566 Tel: (9250 417-1391 Fax: (925) 417-1390
Rev.8/10/99
This Material Copyrighted By Its Respective Manufacturer
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