Datasheet > SPX2954ACT-3.3

SPX2954ACT-3.3

更新时间： 2024-11-29 03:10:43

品牌	Logo	应用领域
西伯斯 - SIPEX		/
页数	文件大小	规格书
2页	26K
描述
Fixed Positive LDO Regulator, 3.3V, PSSO2, TO-263, 3 PIN

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中文翻译

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数据手册

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SPX2954ACT-3.3 数据手册

SPX2954

250mA Low Dropout Voltage Regulators

features

description

The SPX2954 is a low power voltage regulator. This device is an

excellent choice for use in battery-powered applications such as cord-

less telephones, radio control systems, and portable computers. The

SPX2954 has a low quiescent current and low dropout voltage (typ.

375 mV at 250mA). This includes a tight initial tolerance of 0.5%

(typ.), extremely good load and line regulation (0.05% typ.), and very

low output temperature coefficient, making it useful as a low-power

voltage reference.

■ Guaranteed 250mA Output

Current

■ 5.0V and 3.3V Versions at

250mA Output

■ Very Low Quiescent Current

■ Low Dropout Voltage: 375mV

at 250mA

■ Extremely Tight Load and Line

The error flag output feature is used as a power-on reset for warning

of a low output voltage, due to a falling input voltage. The logic-com-

patible shutdown feature enables the regulator to be switched ON and

OFF. The SPX2954 is offered in a variety of industry standard pack-

ages and is compatible with other 3.3V AND 5.0V regulators.

Regulation

■ 0.5% and 1% Accuracy

■ Very Low Temperature

Coefficient

■ Current and Thermal Limiting

■ Error Flag and Enable

typical application circuits

Adjustable Regulator

■ Reverse Battery and

Overvoltage Transient

Protection

+V_IN

100K

+V_IN

■ TO-92, 8L SOIC Package

______

ERROR

1.2 to 30V

OUTPUT

V_OUT

Options

SPX2954

■ Direct Replacement For

R₁

LP2954

SHUTDOWN

INPUT

3.3uF

.01uF

GND

1.23V

V_REF

applications

R₂

■ Battery Powered Systems

■ Cordless Telephones

■ Radio Control Systems

Latch Off when Error flag Occurs

+V _IN

■ Portable/Palm Top/Notebook

470kΩ

Computers

+V _IN

______

V_OUT

ERROR

■ Portable Consumer Equipment

■ Portable Instrumentation

■ Avionics

470kΩ

V_OUT

SPX2954

R₁

1uF

GND

RESET

■ SMPS Post-Regulator

■ Voltage Reference

R₂

■ Automotive Electronics

2002 Short Form Catalog

P-159

中文翻译

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与SPX2954ACT-3.3相关器件

型号	品牌	获取价格	描述	数据表
SPX2954ACT-L-3.3	SIPEX	获取价格	Fixed Positive LDO Regulator, 3.3V, PSSO2, TO-263, 3 PIN
SPX2954ACT-L-5.0	SIPEX	获取价格	Fixed Positive LDO Regulator, 5V, PSSO2, TO-263, 3 PIN
SPX2954ACU-3.3	SIPEX	获取价格	Fixed Positive LDO Regulator, 3.3V, PSFM3, TO-220, 3 PIN
SPX2954ACU-L-3.3	SIPEX	获取价格	Fixed Positive LDO Regulator, 3.3V, PSFM3, TO-220, 3 PIN
SPX2954ACU-L-5.0	SIPEX	获取价格	Fixed Positive LDO Regulator, 5V, PSFM3, TO-220, 3 PIN
SPX2954AM3-3.3	SIPEX	获取价格	250mA Low Dropout Voltage Regulator
SPX2954AM3-3-3	SIPEX	获取价格	250mA Low Dropout Voltage Regulator
SPX2954AM3-3-3	EXAR	获取价格	Fixed Positive LDO Regulator, 3.3V, 0.5V Dropout, PDSO4, TO-261AA, SOT-223, 3 PIN
SPX2954AM3-3-3/TR	SIPEX	获取价格	Fixed Positive LDO Regulator, 3.3V, 0.5V Dropout, PDSO4, SOT-223, 3 PIN
SPX2954AM3-3-3/TR	EXAR	获取价格	Fixed Positive LDO Regulator, 3.3V, 0.5V Dropout, PDSO4, SOT-223, 3 PIN

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