Datasheet > LM2937_11

LM2937_11

更新时间： 2024-01-24 05:52:59

品牌	Logo	应用领域
友顺 - UTC		稳压器
页数	文件大小	规格书
10页	223K
描述
500mA LOW DROPOUT VOLTAGE REGULATOR

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中文翻译

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数据手册

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LM2937_11 数据手册

UNISONIC TECHNOLOGIES CO., LTD

LM2937

LINEAR INTEGRATED CIRCUIT

500mA LOW DROPOUT

VOLTAGE REGULATOR

TO-220

DESCRIPTION

The UTC LM2937 is a positive voltage regulator capable of

supplying up to 500mA of load current. The use of a PNP power

transistor provides a low dropout voltage characteristic. With a

load current of 500mA the minimum input to output voltage

differential required for the output to remain in regulation is

typically 0.5V(1V guaranteed maximum over the full operating

temperature range). Special circuitry has been incorporated to

minimize the quiescent current to typically only 10mA with a full

500mA load current when the input to output voltage differential is

greater than 3V.

TO-263

TO-263-3

The UTC LM2937 requires an output bypass capacitor for

stability. As with most low dropout regulators, the ESR of this

capacitor remains a critical design parameter, but the LM2937

includes special compensation circuitry that relaxes ESR

requirements. The UTC LM2937 is stable for all ESR below

3Ω.This allows the use of low ESR chip capacitors.

TO-263-5

Ideally suited for automotive applications, the UTC LM2937 will

protect itself and any load circuitry from reverse battery

connections, two-battery jumps and up to +60V/-50V load dump

transients. Familiar regulator features such as short circuit and

thermal shutdown protection are also built in.

FEATURES

* Fully specified for operation over -40°C~ +125°C

* Output current in excess of 500mA

* Output trimmed for 5% tolerance under all operating conditions

* Typical dropout voltage of 0.5V at full rated load current

* Wide output capacitor ESR range, up to 3ꢀ

* Reverse battery protection

* Internal short circuit and thermal overload protection

* 60V input transient protection

* Mirror image insertion protection

* Built-in ON/OFF control function

ORDERING INFORMATION

Order Number

Package

Packing

Lead Free

Halogen Free

LM2937L-xx-TA3-T

LM2937L-xx-TQ2-R

LM2937L-xx-TQ2-T

LM2937L-xx-TQ3-R

LM2937L-xx-TQ3-T

LM2937L-xx-TQ5-R

LM2937L-xx-TQ5-T

LM2937G-xx-TA3-T

LM2937G-xx-TQ2-R

LM2937G-xx-TQ2-T

LM2937G-xx-TQ3-R

LM2937G-xx-TQ3-T

LM2937G-xx-TQ5-R

LM2937G-xx-TQ5-T

TO-220

TO-263

Tube

Tape Reel

Tube

TO-263

TO-263-3

TO-263-5

Tape Reel

Tube

Tape Reel

Tube

www.unisonic.com.tw

1 of 10

QW-R102-012.G

12 3 4 5 6 7...10

中文翻译

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与LM2937_11相关器件

型号	品牌	获取价格	描述	数据表
LM2937_17	UTC	获取价格	500mA LOW DROPOUT VOLTAGE REGULATOR
LM2937-10.0(5TO-263)	UTC	获取价格	Regulator, 1 Output, BIPolar
LM2937-10.0(TO-220)	UTC	获取价格	Regulator, 1 Output, BIPolar
LM2937-10.0(TO-263)	UTC	获取价格	Regulator, 1 Output, BIPolar
LM2937-10.0(TO-263-5)	UTC	获取价格	Regulator, 1 Output, BIPolar
LM2937-10.0V(T0-263)	UTC	获取价格	Regulator, 1 Output, BIPolar,
LM2937-10-TA3-R	UTC	获取价格	500mA LOW DROPOUT VOLTAGE REGULATOR
LM2937-10-TQ2-R	UTC	获取价格	500mA LOW DROPOUT VOLTAGE REGULATOR
LM2937-10-TQ3-R	UTC	获取价格	500mA LOW DROPOUT VOLTAGE REGULATOR
LM2937-10-TQ5-R	UTC	获取价格	500mA LOW DROPOUT VOLTAGE REGULATOR

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