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參數(shù)資料
| 型號(hào)： | AS2733 |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 3A High Current Low Dropout Voltage Regulator Adjustable & Fixed Output, Fast Response(3A高電流,低壓差穩(wěn)壓器（快速響應(yīng)，可調(diào)和固定輸出）) |
| 中文描述： | 第3A高電流低壓差穩(wěn)壓器可調(diào)節(jié) |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大小： | 148K |
| 代理商： | AS2733 |
Rev. 10/17/00
AS2730/31/32/33
3A High Current Low Dropout Voltage Regulator
Adjustable & Fixed Output,
Fast Response
(ADVANCED INFORMATION)
FEATURES
Adjustable Output Down To 1.2V
1% output accuracy @ 3.3V, 5.0V
Output Current of 3A
Low Dropout Voltage 370mV(Typ.) @ 3A.
Extremely Tight Load And Line Regulation
Extremely Fast Transient Response
Standard 3-Terminal Low Cost TO-220, TO-263
Reverse-battery and “Load Dump” Protection
Zero Current Shutdown Mode (5-Pin Versions)
Error Flag Signal Output Out-of Regulation (5-Pin Versions)
PRODUCT DESCRIPTION
The AS2730/31/32/33 is a 3A high accuracy, low dropout voltage regulator (370mV(Typ)@ 3A). The AS2730/31/32/33 is designed
for low voltage application that requires 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 AS2730/31/32/33 offers full protection against over-current faults, reversed input polarity, reversed load insertion, and positive
and negative transient voltage. On-Chip trimming adjusts the reference voltage to 1%. Features such as enable pin, Error flag pin are
also included in the 5-pin package.
The AS2730/31/32/33 are offered in 3 & 5 pin TO-220 & TO-263 packages compatible with other 3 terminal regulators. For a 5A
low dropout regulator refer to the AS2750 datasheet.
ORDERING INFORMATION
TO-220
3-PIN
3-PIN
AS2730/31/32/33U-X
AS2730/31/32/33T5-X
X = Output Voltage (x = 3.0V, 5.0V, or Blank for Adj (5-Pin Devices Only)
Consult with factory for other fixed output voltages.
PIN CONNECTIONS
Top View
Top View
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
TO-263
TO-263-3 (T)
1
ALPHA
AS2730
2
3
TO-263-5 (T)
4 5
ALPHA
AS2731/32/33
1 2 3
Front View
TO-220-3 (U)
ALPHA
AS2730
1
2
3
TO-220-5 (U)
Front View
5
4
3
2
1
ALPHA
AS2731/32/33
AS2731
1) ENABLE
2) INPUT
3) GND
4) OUTPUT
5) FLAG
AS2732
1) ENABLE
2) INPUT
3) GND
4) OUTPUT
5) ADJUST
AS2733
1) FLAG
2) INPUT
3) GND
4) OUTPUT
5) ADJUST
AS2731
1) ENABLE
2) INPUT
3) GND
4) OUTPUT
5) FLAG
AS2732
1) ENABLE
2) INPUT
3) GND
4) OUTPUT
5) ADJUST
AS2733
1) FLAG
2) INPUT
3) GND
4) OUTPUT
5) ADJUST
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