Datasheet > LP2952-N_15

LP2952-N_15

更新时间： 2024-11-24 01:14:27

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德州仪器 - TI		/
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LP295x Adjustable Micropower Low-Dropout Voltage Regulators

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LP2952-N, LP2952A, LP2953, LP2953A

SNVS095F –MAY 2004–REVISED MARCH 2015

LP295x Adjustable Micropower Low-Dropout Voltage Regulators

1 Features

3 Description

The LP2952 and LP2953 are micropower voltage

•

2.3-V to 30-V Input Voltage Range

Output Voltage Adjusts from 1.23 V to 29 V

250-mA Output Current

regulators with very low quiescent current (130 μA

typical at 1-mA load) and very low dropout voltage

(typically 60 mV at light load and 470 mV at 250-mA

load current). They are ideally suited for battery-

powered systems. Furthermore, the quiescent current

increases only slightly at dropout, which prolongs

battery life.

Extremely Low Quiescent Current

Low Dropout Voltage

Extremely Tight Line and Load Regulation

Very Low Temperature Coefficient

Current and Thermal Limiting

The LP2952 and LP2953 retain all the desirable

characteristics of the LP2951, but offer increased

output current, additional features, and an improved

shutdown function.

Reverse Battery-Input Protection

50-mA (Typical) Automatic Output Discharge

LP2953 Versions Only

The automatic output discharge pulls the output down

quickly when the shutdown is activated.

–

Auxiliary Comparator Included With CMOS-

and TTL-Compatible Output Levels. Can Be

Used for Fault Detection, Low-Input Line

Detection, and so on.

The error flag goes low if the output voltage drops out

of regulation.

Reverse battery-input protection is provided.

The internal voltage reference is made available for

external use, providing a low temperature coefficient

(20 ppm/°C) reference with very good line (0.03%)

and load (0.04%) regulation.

2 Applications

•

High-Efficiency Linear Regulator

Regulator With Undervoltage Shutdown

Low-Dropout Battery-Powered Regulator

Snap-ON/Snap-OFF Regulator

Device Information⁽¹⁾

PART NUMBER

PACKAGE

BODY SIZE (NOM)

9.90 mm × 3.91 mm

21.755 mm × 6.35 mm

LP2952x

SOIC (16)

PDIP (16)

LP2953x

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Typical Application Schematic

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...41

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与LP2952-N_15相关器件

型号	品牌	获取价格	描述	数据表
LP2953	NSC	获取价格	Adjustable Micropower Low-Dropout Voltage Regulators
LP2953	TI	获取价格	Adjustable Micropower Low-Dropout Voltage Regulators
LP2953 MDS	TI	获取价格	-20V 至 30V、250mA、2.5V 或 5V 输出航天级 QMLV 线性稳压器 \|
LP2953_15	TI	获取价格	LP295x Adjustable Micropower Low-Dropout Voltage Regulators
LP2953A	TI	获取价格	Adjustable Micropower Low-Dropout Voltage Regulators
LP2953A	NSC	获取价格	Adjustable Micropower Low-Dropout Voltage Regulators
LP2953AI	NSC	获取价格	Adjustable Micropower Low-Dropout Voltage Regulators
LP2953AI-3.3	NSC	获取价格	Adjustable Micropower Low-Dropout Voltage Regulators
LP2953AI3.3MDC	NSC	获取价格	FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.8V DROPOUT, UUC, DIE
LP2953AI3.3MWC	NSC	获取价格	IC VREG FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.8 V DROPOUT, UUC, WAFER, Fixed/Adjustab

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