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參數(shù)資料
| 型號： | AS1129 |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 500mA Low Dropout Voltage Regulator(500mA，低壓差穩(wěn)壓器) |
| 中文描述： | 500mA的低壓差穩(wěn)壓器（500mA電流，低壓差穩(wěn)壓器） |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 120K |
| 代理商： | AS1129 |
Rev. 10/11/00
AS1129
500mA Low Dropout Voltage Regulator
(PRELIMINARY INFORMATION)
FEATURES
1% Output Accuracy 2.5V, 3.3V, 5V, @ 500mA Output
Very Low Quiescent Current
0.4V Dropout Voltage
Extremely Tight Load and Line Regulation
Current & Thermal Limiting
Logic-Controlled Electronic Shutdown
Reverse Battery Protection
Output Programmable From 1.24 To 20V
Equivalent Replacement For LT1129
PRODUCT DESCRIPTION
The AS1129 is a low power voltage regulator. This device is an excellent choice for use in battery-powered applications such as
cordless telephones, radio control systems, and portable computers. The AS1129 features very low quiescent current and very low
dropout voltage of 0.4 volts. This includes a tight initial tolerance of
±
1% max, and very low output temperature coefficient, making
the AS1129 useful as a low-power voltage reference.
The error flag output feature is used as power-on reset for warning of a low output voltage, due to falling voltage input of batteries.
The AS1129 is offered TO-92, SOT-223, TO-220, TO-252 and TO-263 in 3 & 5 leads.
ORDERING INFORMATION
TO-92
3-PIN
3-PIN
3/5-PIN
AS1129N-X
AS1129M3-X
AS1129U-X
AS1129T-X
APPLICATIONS
Battery Powered Systems
Cordless Telephones
Radio Control Systems
Portable/Palm Top/Notebook Computers
Portable Consumer Equipment
Portable Instrumentation
Bar Code Scanners
SMPS Post-Regulator
Voltage Reference
Automotive Electronics
SOT-223
TO-220
TO-263
TO-263
5-PIN
AS1129T3-X
TO-252
3/5-PIN
AS1129R-X
Oper. Temp.
Range
-40
°
C to +125
°
C
X= Output Voltage (2.5V, 3.3V or 5.0V)
Consult factory for other fixed voltages.
PIN CONNECTIONS
SOT-223 (M3)
Top View
AS1129
1
3
2
TO-263-3 (T)
Top View
TO-263-5 (T)
1
AS1129
2
3
Front View
TO-220-3 (U)
AS1129
1
2
3
Front View
TO-252 (R)
3
2
1
A
V
IN
GND V
OUT
V
OUT
GND V
IN
V
OUT
GND V
IN
V
OUT
GND
V
IN
SHDN
V
OUT
<0.25V
>2.8V
NC
OFF
ON
ON
Bottom View
TO-92 (N)
1
3
2
V
IN
GND
V
OUT
Top View
4 5
AS1129
1 2
3
1) OUTPUT
2) SENSE/ ADJ
3) GND
4) SHDN
4) V
IN
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS116N-3.0T | THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS |
| AS116N-3.3 | THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS |
| AS116N-3.3T | THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS |
| AS116N-3.5 | THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS |
| AS116N-3.5T | THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS112R0FLF | 制造商:TT Electronics / IRC 功能描述:AS112R0FLF |
| AS112R0JLF | 功能描述:線繞電阻器 - 透孔 AS-1-12-OHM-5-LF RoHS:否 制造商:Bourns 電阻:10 Ohms 容差:5 % 功率額定值:7 W 溫度系數(shù):200 PPM / C 系列:FW 端接類型:Axial 工作溫度范圍:- 55 C to + 155 C 尺寸:9.5 mm Dia. x 26 mm L 封裝:Ammo 產(chǎn)品:Power Resistors Wirewound High Energy |
| AS112R1FLF | 制造商:TT Electronics / IRC 功能描述:AS112R1FLF |
| AS112R1HLF | 制造商:TT Electronics / IRC 功能描述:AS112R1HLF |
| AS112R4FLF | 功能描述:線繞電阻器 - 透孔 AS-1-12.4-OHM-1-LF RoHS:否 制造商:Bourns 電阻:10 Ohms 容差:5 % 功率額定值:7 W 溫度系數(shù):200 PPM / C 系列:FW 端接類型:Axial 工作溫度范圍:- 55 C to + 155 C 尺寸:9.5 mm Dia. x 26 mm L 封裝:Ammo 產(chǎn)品:Power Resistors Wirewound High Energy |
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