AS2830
器件描述:3A Low Dropout Voltage Regulator Adjustable & Fixed Output, Fast Response
文件大小:149.21KB,共6页
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器件资料摘要:
Rev. 10/6/00
AS2830
3A Low Dropout Voltage Regulator
Adjustable & Fixed Output,
Fast Response
FEATURES APPLICATIONS
• Adjustable Output Down To 1.2V • Powering VGA & Sound Card
• Fixed Output Voltages 1.5, 2.5, 3.3, 5.0V • Power PCSupplies
• Output Current Of 3A • SMPS Post-Regulator
• Low Dropout Voltage 1.1V Typ. • High Efficiency “Green” Computer Systems
• Extremely Tight Load And Line Regulation • High Efficiency Linear Power Supplies
• Current & Thermal Limiting • Portable Instrumentation
• Standard 3-Terminal Low Cost TO-220, TO-263 & TO-252 • Constant Current Regulators
• Similar To Industry Standard LT1085/LT1585 • Adjustable Power Supplies
• Battery charger
PRODUCT DESCRIPTION
The AS2830 is a low power 3A adjustable and fixed voltage regulator that is 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 I
Q
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
3-PIN
DD PLASTIC
3-PIN
TO-252
DPAK
AS2830YU-X AS2830YT-X AS2830YR-X
X = Output Voltage (1.5V, 2.5V, 3.3V, 5.0V and Blank for Adj.)
Y= Output Tolerance, (Y= A for 1%
Blank for 2%)
PIN CONNECTIONS
Front View
TO-220-3 (U)
AS2830
1 23
ADJ/GND V
OUT
V
IN
Top View
TO-263-3 (T)
1
AS2830
2 3
ADJ/GND V
OUT
V
IN
Front View
TO-252 (R)
ADJ/GND V
IN
V
OUT
321
AS2830