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LT3014ES5

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仕様・特性

LT3014 20mA, 3V to 80V Low Dropout Micropower Linear Regulator DESCRIPTION FEATURES n n n n n n n n n n n n n ■ Wide Input Voltage Range: 3V to 80V Low Quiescent Current: 7µA Low Dropout Voltage: 350mV Output Current: 20mA LT3014HV Survives 100V Transients (2ms) No Protection Diodes Needed Adjustable Output from 1.22V to 60V 1µA Quiescent Current in Shutdown Stable with 0.47µF Output Capacitor Stable with Aluminum, Tantalum or Ceramic Capacitors Reverse-Battery Protection No Reverse Current Flow from Output Thermal Limiting Available in 5-Lead ThinSOTTM and 8-Lead DFN Packages n n n Other features of the LT3014 include the ability to operate with very small output capacitors. The regulators are stable with only 0.47μF on the output while most older devices require between 10μF and 100μF for stability. Small ceramic capacitors can be used without the necessary addition of 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 as an adjustable device with a 1.22V reference voltage. The LT3014 regulator is available in the 5-lead ThinSOT and 8-lead DFN packages. APPLICATIONS n The LT®3014 is a high voltage, micropower low dropout linear regulator. The device is capable of supplying 20mA of output current with a dropout voltage of 350mV. Designed for use in battery-powered or high voltage systems, the low quiescent current (7μA operating and 1μA in shutdown) makes the LT3014 an ideal choice. Quiescent current is also well controlled in dropout. Low Current High Voltage Regulators Regulator for Battery-Powered Systems Telecom Applications Automotive Applications L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents including 6118263, 6144250. TYPICAL APPLICATION 5V Supply with Shutdown Dropout Voltage 400 VIN 5.4V TO 80V OUT LT3014 3.92M VOUT 5V 20mA 0.47μF 1μF SHDN GND ADJ 1.27M 3014 TA01 VSHDN OUTPUT <0.3V OFF >2.0V ON 350 DROPOUT VOLTAGE (mV) IN 300 250 200 150 100 50 0 0 2 4 6 8 10 12 14 16 18 20 OUTPUT CURRENT (mA) 3014 TA02 3014fd 1

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