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LT1762

Linear Technology
Part Number LT1762
Manufacturer Linear Technology
Description LDO Micropower Regulators
Published Jan 28, 2007
Detailed Description www.DataSheet4U.com LT1762 Series 150mA, Low Noise, LDO Micropower Regulators U Dropout Voltage 400 350 20 40 60 80 100...
Datasheet PDF File LT1762 PDF File

LT1762
LT1762

Overview
www.
DataSheet4U.
com LT1762 Series 150mA, Low Noise, LDO Micropower Regulators U Dropout Voltage 400 350 20 40 60 80 100 120 140 160 OUTPUT CURRENT (mA) 1762 TA02 FEATURES s s s s s s s s s s s DESCRIPTIO s s s s Low Noise: 20µVRMS (10Hz to 100kHz) Low Quiescent Current: 25µA Wide Input Voltage Range: 1.
8V to 20V Output Current: 150mA Very Low Shutdown Current: < 1µA Low Dropout Voltage: 300mV No Protection Diodes Needed Fixed Output Voltages: 2.
5V, 3V, 3.
3V, 5V Adjustable Output from 1.
22V to 20V Stable with 2.
2µF Output Capacitor Stable with Aluminum, Tantalum or Ceramic Capacitors Reverse Battery Protection No Reverse Current Overcurrent and Overtemperature Protected 8-Lead MSOP Package U APPLICATIO S s s s s Cellular Phones Battery-Powered Systems Frequency Synthesizers Noise-Sensitive Instrumentation Systems The LT ®1762 series are micropower, low noise, low dropout regulators.
The devices are capable of supplying 150mA of output current with a dropout voltage of 300mV.
Designed for use in battery-powered systems, the low 25µA quiescent current makes them an ideal choice.
Quiescent current is well controlled; it does not rise in dropout as it does with many other regulators.
A key feature of the LT1762 regulators is low output noise.
With the addition of an external 0.
01µF bypass capacitor, output noise drops to 20µVRMS over a 10Hz to 100kHz bandwidth.
The LT1762 regulators are stable with output capacitors as low as 2.
2µF.
Small ceramic capacitors can be used without the series resistance required by other regulators.
Internal protection circuitry includes reverse battery protection, current limiting, thermal limiting and reverse current protection.
The parts come in fixed output voltages of 2.
5V, 3V, 3.
3V and 5V, and as an adjustable device with a 1.
22V reference voltage.
The LT1762 regulators are available in the 8-lead MSOP package.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATION 3.
3V Low Noise Regulator ...


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