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LM317EMPX  稳压器 LM117/LM317A/LM317N 3Terminal Adjustable Regulator
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1.50  / PCS
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 无需物流 (线下配送)
数量
 PCS
金额
合计 ¥1.50
 
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产品详情
型号LM317EMPX
封装SOT223
品牌NS
描述稳压器 LM117/LM317A/LM317-N 3-Terminal Adjustable Regulator
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LM317EMPX Datasheet, PDF

Electronic Manufacturer Part no Datasheet Electronics Description
No Search Result...
Texas Instruments
Texas Instruments
LM317EMP/NOPB [Old version datasheet] LM117/LM317A/LM317-N 3-Terminal Adjustable Regulator
LM317EMP/NOPB [Old version datasheet] LM117/LM317A/LM317-N Three-Terminal Adjustable Regulator
LM317EMP/NOPB [Old version datasheet] LM117/LM317A/LM317-N Three-Terminal Adjustable Regulator
LM317EMP/NOPB [Old version datasheet] Wide Temperature Three-Pin Adjustable Regulator
LM317EMPX/NOPB [Old version datasheet] LM117/LM317A/LM317-N 3-Terminal Adjustable Regulator
LM317EMPX/NOPB [Old version datasheet] LM117/LM317A/LM317-N Three-Terminal Adjustable Regulator
LM317EMPX/NOPB [Old version datasheet] LM117/LM317A/LM317-N Three-Terminal Adjustable Regulator
LM317EMPX/NOPB [Old version datasheet] Wide Temperature Three-Pin Adjustable Regulator

LM317EMPX Datasheet, PDF [Old version datasheet]

Electronic Manufacturer Part no Datasheet Electronics Description
National Semiconductor (TI)
National Semiconductor ...
LM317EMPX 3-Terminal Adjustable Regulator
LM317EMPX 3-Terminal Adjustable Regulator
 
LM317EMPX Datasheet, PDF More

 

Texas Instruments LM317EMPX/NOPB

The LM117 and LM317-N series of adjustable 3-pin positive voltage regulators are capable of supplying in excess of 1.5 A over a 1.25-V to 37-V output range and a wide temperature range. They are exceptionally easy to use and require only two external resistors to set the output voltage. Further, both line and load regulation are better than standard fixed regulators.

The LM117 and LM317-N offer full overload protection such as current limit, thermal overload protection and safe area protection. All overload protection circuitry remains fully functional even if the adjustment terminal is disconnected.

Typically, no capacitors are needed unless the device is situated more than 6 inches from the input filter capacitors, in which case an input bypass is needed. An optional output capacitor can be added to improve transient response. The adjustment terminal can be bypassed to achieve very high ripple rejection ratios that are difficult to achieve with standard 3-terminal regulators.

Because the regulator is and detects only the input-to-output differential voltage, supplies of several hundred volts can be regulated as long as the maximum input-to-output differential is not exceeded. That is, avoid short-circuiting the output.

By connecting a fixed resistor between the adjustment pin and output, the LM117 and LM317-N can be also used as a precision current regulator. Supplies with electronic shutdown can be achieved by clamping the adjustment terminal to ground, which programs the output to 1.25 V where most loads draw little current.

For applications requiring greater output current, see data sheets for LM150 series (3 A), SNVS772, and LM138 series (5 A), SNVS771. For the negative complement, see LM137 (SNVS778) series data sheet.

 

 

德州仪器lm317empx / nopb
《lm117 LM317和N系列的3引脚可调正电压是capable监管过度的大学学院供1.5 A A的两个1.25-v 37 V输出范围和宽温度范围。他们是两个exceptionally易用鸭只需要两个外部resistors双看到输出电压。进一步的,两个线路和负载调节,比标准的固定是更好的监管。
《lm117 LM317的牺牲和全N的超载保护如过电流限制,热过载保护和安全区的保护。全circuitry超载保护剩下的全功能即使调整终端disconnected冰。
typically电容不需要,除非是“冰装置situated超过6英寸从输入滤波电容,在这种情况下需要输入旁路的冰。可选的输出电容可以添加两个改进的瞬态响应。《bypassed调整终端可以实现非常高的纹波拒绝比那是……很难达到标准的三端与监管。
因为冰的调节器和detects只有两个输入输出差动电压,该大学several一百伏长可以调节AA AA最大输入双输出的差分exceeded冰槽。这是,避免短路的输出。
城市一固定电阻连接引脚之间的输出和调整,lm117 LM317和N的使用也可以作为精密电流调节器。与该电子城Shutdown可以实现夹紧两个地面终端的调整,这两个项目的1.25 V输出必须画在小负载电流。
应用程序要求更大的输出电流为数据表,见LM150系列(3),snvs772鸭lm138系列(5 A),snvs771。负的补数,看到lm137(snvs778)系列数据表。

¥ 1.50 (RMB)/PCS
¥ 1.50 (RMB)/PCS
 
 
 

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