LM431L データシートの表示（PDF） - TAITRON Components Incorporated

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LM431L

Shunt Regulator

TAITRON Components Incorporated 

Shunt Regulator

LM431L LM431LA LM431LB

Shunt Regulator

General Description

• The LM431 Series ICs are low voltage three-terminal

TO-92

programmable shunt regulators with guaranteed thermal

stability over a full operation range. These monolithic ICs

voltage reference operate as a low temperature coefficient

Zener which is programmable from Vref to 18V with two external

resistors. These devices exhibit a wide operating current range

of 80µA to 50/100mA with a typical dynamic impedance of 0.05 to

SOT-23-5

0.22Ω. The characteristics of these references make them excellent

replacements for Zener diodes in many applications such as

digital voltmeters, power supplies and op amp circuitry

• The LM431L precision reference is offered in three voltage

tolerance for VREF=1.240V: 1.5%, 1.0% and 0.5%.

• These ICs are available in 4 packages: TO-92, SOT-23, SOT-23-5 and SOT-89.

.

.

SOT-23

SOT-89

Features

Applications

• Programmable Precise Output Voltage from

1.24V to 16/18V

• High Stability under Capacitive Load

• Low Temperature Deviation

• Low Dynamic Output Impedance: 0.05 to 0.22Ω Typical

• Operating Current from 80µA to 50/100mA.

• Low Output Noise Voltage

• RoHS Compliance

• Graphic Card

• PC Motherboard

• Voltage Adapter

• Switching Power Supply

• Charger

TAITRON COMPONENTS INCORPORATED www.taitroncomponents.com

Tel: (800)-TAITRON (800)-824-8766 (661)-257-6060

Fax: (800)-TAITFAX (800)-824-8329 (661)-257-6415

Rev. A/DX 2007-06-04

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