Datasheet > LM2937-3.3(TO-263)

LM2937-3.3(TO-263)

更新时间： 2024-01-09 00:56:03

品牌	Logo	应用领域
友顺 - UTC		/
页数	文件大小	规格书
9页	221K
描述
Regulator, 1 Output, BIPolar

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LM2937-3.3(TO-263) 技术参数

生命周期：	Active	包装说明：	, SMSIP3H,.55TB
Reach Compliance Code：	compliant	风险等级：	5.59
可调性：	FIXED	标称回动电压 1：	0.5 V
最大绝对输入电压：	26 V	最大电网调整率：	0.03%
最大负载调整率：	0.03%	输出次数：	1
端子数量：	3	最大输出电流 1：	0.5 A
标称输出电压 1：	3.3 V	封装主体材料：	PLASTIC/EPOXY
封装等效代码：	SMSIP3H,.55TB	认证状态：	Not Qualified
子类别：	Other Regulators	表面贴装：	YES
技术：	BIPOLAR	端子节距：	2.54 mm
端子位置：	SINGLE	最大电压容差：	2.7%
Base Number Matches：	1

LM2937-3.3(TO-263) 数据手册

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UTC LM2937-XX LINEAR INTEGRATED CIRCUIT

500mA LOW DROPOUT VOLTAGE

REGULATOR

DESCRIPTION

The UTC LM2937-XX is a positive voltage regulator

T0-220

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.

The UTC LM2937-XX 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-XX is stable for

all ESR below 3Ω.This allows the use of low ESR chip

TO-263-5

T0-263

TO-220/TO263 : 1:Input 2:GND 3:Output

TO-263-5 : 1: N/C 2: ON/OFF 3: GND

4: Input 5: Output

capacitors.

Ideally suited for automotive applications, the UTC

LM2937-XX 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 to +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 3Ω

*Reverse battery protection

*Internal short circuit and thermal overload protection

*60V input transient protection

*Mirror image insertion protection

*Built-in ON/OFF control function

UTC UNISONIC TECHNOLOGIES CO., LTD.

QW-R102-012,C

12 3 4 5 6 7...9

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与LM2937-3.3(TO-263)相关器件

型号	品牌	获取价格	描述	数据表
LM2937-3.3V(T0-220)	UTC	获取价格	Regulator, 1 Output, BIPolar,
LM2937-3.3V(T0-263)	UTC	获取价格	Regulator, 1 Output, BIPolar,
LM2937-33-TA3-R	UTC	获取价格	500mA LOW DROPOUT VOLTAGE REGULATOR
LM2937-33-TA3-T	UTC	获取价格	暂无描述
LM2937-33-TQ2-R	UTC	获取价格	500mA LOW DROPOUT VOLTAGE REGULATOR
LM2937-33-TQ3-R	UTC	获取价格	500mA LOW DROPOUT VOLTAGE REGULATOR
LM2937-33-TQ5-R	UTC	获取价格	500mA LOW DROPOUT VOLTAGE REGULATOR
LM2937-5.0(5TO-263)	UTC	获取价格	Regulator, 1 Output, BIPolar
LM2937-5.0(TO-263-5)	UTC	获取价格	Regulator, 1 Output, BIPolar
LM2937-50-TA3-R	UTC	获取价格	500mA LOW DROPOUT VOLTAGE REGULATOR

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