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| 型号： | SPX2940T-5.0 |
| 元件分类： | 线性稳压 |
| 英文描述： | 1A Low Dropout Voltage Regulator Fixed Output, Fast Response |
| 中文描述： | 1A低压差线性稳压器固定输出，快速响应 |
| 文件页数： | 1/9页 |
| 文件大小： | 103K |
| 代理商： | SPX2940T-5.0 |
1
Date: 5/25/04
SPX2940 1A Low Dropout Voltage Regulator
Copyright 2004 Sipex Corporation
1A Low Dropout Voltage Regulator
Fixed Output, Fast Response
SPX2940
DESCRIPTION
FEATURES
■ Guaranted 1.5A Peak Current
■ Low Quiescent Current
■ Low Dropout Voltage of 280mV at 1A
■ Extremely Tight Load and Line Regulation
■ Extremely Fast Transient Response
■ Reverse-battery Protection
■ Internal Thermal Protection
■ Internal Short Circuit Current Limit
■ Replacement for LM2940, MIC2940A,
AS2940
■ Standard TO-220 and TO-263 packages
The SPX2940 is a 1A, accurate voltage regulators with a low drop out voltage of 280mV (typical)
at 1A. These regulators are specifically designed for low voltage applications that require a low
dropout voltage and a fast transient response. They are fully fault protected against over-current,
reverse battery, and positive and negative voltage transients.
The SPX2940 is offered in 3-pin TO-220 & TO-263 packages. For a 3A version, refer to the
SPX29300 data sheet.
SPX2940
V
OUT
V
IN
+
6.8F
+
10F
1
2
3
Figure 1. Fixed Output Linear Regulator.
TYPICAL APPLICATIONS CIRCUIT
APPLICATIONS
■ Powering VGA & Sound Card
■ LCD Monitors
■ USB Power Supply
■ Power PCTM Supplies
■ SMPS Post-Regulator
■ PDA or Notebook Computer
■ High Efficiency Linear Power Supplies
■ Portable Instrumentation
■ Constant Current Regulators
■ Cordless Telephones
■ Automotive Electronics
Now Available in Lead Free Packaging
12
3
SPX2940
3 Pin TO-263
GND
V
IN
V
OUT
相关PDF资料 |
PDF描述 |
|---|---|
| SPX2941T5 | 1A Low Dropout Voltage Regulators |
| SPX2945M3 | 500mA Low Drop Out Voltage Regulator with Shutdown |
| SPX2945R | 500mA Low Drop Out Voltage Regulator with Shutdown |
| SPX2945S | 500mA Low Drop Out Voltage Regulator with Shutdown |
| SPX2945T3 | 500mA Low Drop Out Voltage Regulator with Shutdown |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SPX2940T-5-0/TR | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| SPX2940T-L-1-8 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| SPX2940T-L-2-5 | 功能描述:低压差稳压器 - LDO 1.0A LW DROPOUT VLT 1.5A PEAK OUTPT CURR RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| SPX2940T-L-2-5/TR | 功能描述:低压差稳压器 - LDO 1.0A LW DROPOUT VLT 1.5A PEAK OUTPT CURR RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| SPX2940T-L-3-3 | 功能描述:低压差稳压器 - LDO 1.0A LW DROPOUT VLT 1.5A PEAK OUTPT CURR RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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