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LT3012B

Linear Technology
Part Number LT3012B
Manufacturer Linear Technology
Description 4V to 80V Low Dropout Micropower Linear Regulator
Published Jul 14, 2009
Detailed Description www.DataSheet4U.com LT3012B 250mA, 4V to 80V Low Dropout Micropower Linear Regulator FEATURES ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ...
Datasheet PDF File LT3012B PDF File

LT3012B
LT3012B

Overview
www.
DataSheet4U.
com LT3012B 250mA, 4V to 80V Low Dropout Micropower Linear Regulator FEATURES ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ DESCRIPTIO U APPLICATIO S ■ ■ ■ ■ Wide Input Voltage Range: 4V to 80V Low Quiescent Current: 40µA Low Dropout Voltage: 400mV Output Current: 250mA No Protection Diodes Needed Adjustable Output from 1.
24V to 60V Stable with 3.
3µF Output Capacitor Stable with Aluminum, Tantalum or Ceramic Capacitors Reverse-Battery Protection No Reverse Current Flow from Output to Input Thermal Limiting Thermally Enhanced 16-Lead TSSOP and 12-Pin (4mm × 3mm) DFN Packages The LT®3012B is a high voltage, micropower low dropout linear regulator.
The device is capable of supplying 250mA of output current with a dropout voltage of 400mV.
Designed for use in battery-powered or high voltage systems, the low quiescent current (40µA operating) makes the LT3012B an ideal choice.
Quiescent current is also well controlled in dropout.
Other features of the LT3012B include the ability to operate with very small output capacitors.
The regulators are stable with only 3.
3µF on the output while most older devices require between 10µF and 100µF for stability.
Small ceramic capacitors can be used without any need for series resistance (ESR) as is common with other regulators.
Internal protection circuitry includes reverse-battery protection, current limiting, thermal limiting and reverse current protection.
The device is available with an adjustable output with a 1.
24V reference voltage.
The LT3012B regulator is available in the 16-lead TSSOP and 12 pin low profile (0.
75mm) (4mm × 3mm) DFN packages with an exposed pad for enhanced thermal handling capability.
, LTC and LT are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
Low Current High Voltage Regulators Regulator for Battery-Powered Systems Telecom Applications Automotive Applications TYPICAL APPLICATIO 5V Supply 400 350 DROPOUT VOLTAGE (mV) VOUT 5V 25...


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