Datasheet > LP2950CZ

LP2950CZ

更新时间： 2024-11-22 23:47:39

品牌	Logo	应用领域
其他 - ETC		调节器
页数	文件大小	规格书
16页	255K
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Micropower Voltage Regulators(251.36 k)

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LP2950CZ 数据手册

Order this document by LP2950/D

MICROPOWER

LOW DROPOUT

VOLTAGE REGULATORS

The LP2950 and LP2951 are micropower voltage regulators that are

specifically designed to maintain proper regulation with an extremely low

input–to–output voltage differential. These devices feature a very low

quiescent bias current of 75 µA and are capable of supplying output currents

in excess of 100 mA. Internal current and thermal limiting protection is

provided.

Z SUFFIX

PLASTIC PACKAGE

CASE 29

The LP2951 has three additional features. The first is the Error Output

that can be used to signal external circuitry of an out of regulation condition,

or as a microprocessor power–on reset. The second feature allows the

output voltage to be preset to 5.0 V, 3.3 V or 3.0 V output (depending on the

version) or programmed from 1.25 V to 29 V. It consists of a pinned out

resistor divider along with direct access to the Error Amplifier feedback input.

The third feature is a Shutdown input that allows a logic level signal to

turn–off or turn–on the regulator output.

(TO–226AA/TO–92)

Pin: 1. Output

2. Ground

3. Input

DT SUFFIX

Due to the low input–to–output voltage differential and bias current

specifications, these devices are ideally suited for battery powered

computer, consumer, and industrial equipment where an extension of

useful battery life is desirable. The LP2950 is available in the three pin case

29 and DPAK packages, and the LP2951 is available in the eight pin

dual–in–line, SO–8 and Micro–8 surface mount packages. The ‘A’ suffix

devices feature an initial output voltage tolerance ±0.5%.

PLASTIC PACKAGE

CASE 369A

(DPAK)

Pin: 1. Input

2. Ground

3. Output

LP2950 and LP2951 Features:

(Top View)

• Low Quiescent Bias Current of 75 µA

• Low Input–to–Output Voltage Differential of 50 mV at 100 µA and

Heatsink surface (shown as terminal 4 in

case outline drawing) is connected to Pin 2.

380 mV at 100 mA

• 5.0 V, 3.3 V or 3.0 V ±0.5% Allows Use as a Regulator or Reference

• Extremely Tight Line and Load Regulation

D SUFFIX

PLASTIC PACKAGE

CASE 751

(SO–8)

• Requires Only a 1.0 µF Output Capacitor for Stability

• Internal Current and Thermal Limiting

LP2951 Additional Features:

N SUFFIX

PLASTIC PACKAGE

• Error Output Signals an Out of Regulation Condition

• Output Programmable from 1.25 V to 29 V

• Logic Level Shutdown Input

CASE 626

DM SUFFIX

PLASTIC PACKAGE

CASE 846A

(Micro–8)

Output

Input

Sense

Shutdown

Gnd

Feedback

Tap

Error Output

(See Following Page for Ordering Information.)

(Top View)

Motorola, Inc. 1996

Rev 4

MOTOROLA ANALOG IC DEVICE DATA

12 3 4 5 6 7...16

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与LP2950CZ相关器件

型号	品牌	获取价格	描述	数据表
LP2950CZ3.0	ONSEMI	获取价格	100 mA, Low Power Low Dropout Voltage Regulator
LP2950CZ-3.0	NSC	获取价格	Series of Adjustable Micropower Voltage Regulators
LP2950CZ-3.0	TI	获取价格	LP2950-N/LP2951-N Series of Adjustable Micropower Voltage Regulators
LP2950CZ-3.0	ONSEMI	获取价格	100 mA, Low Power Low Dropout Voltage Regulator
LP2950CZ-3.0/LFT3	TI	获取价格	LP2950-N/LP2951-N Series of Adjustable Micropower Voltage Regulators
LP2950CZ-3.0/NOPB	TI	获取价格	LP2950-N/LP2951-N Series of Adjustable Micropower Voltage Regulators
LP2950CZ-3.0G	ONSEMI	获取价格	100 mA, Low Power Low Dropout Voltage Regulator
LP2950CZ-3.0RA	ONSEMI	获取价格	100 mA, Low Power Low Dropout Voltage Regulator
LP2950CZ-3.0RA	MOTOROLA	获取价格	3V FIXED POSITIVE LDO REGULATOR, 0.45V DROPOUT, PBCY3, PLASTIC, TO-226AA, TO-92, 3 PIN
LP2950CZ-3.0RAG	ONSEMI	获取价格	100 mA, Low Power Low Dropout Voltage Regulator

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