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LT3024EFE-PBF Datasheet(PDF) 1 Page - Linear Technology |
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LT3024EFE-PBF Datasheet(HTML) 1 Page - Linear Technology |
1 / 20 page LT3024 1 3024fa The LT®3024 is a dual, micropower, low noise, low dropout regulator. With an external 0.01μF bypass capacitor, output noise drops to 20μVRMS over a 10Hz to 100kHz bandwidth. Designed for use in battery-powered systems, the low 30μA quiescent current per output makes it an ideal choice. In shutdown, quiescent current drops to less than 0.1μA. Shutdown control is independent for each output, allowing for flexibility in power management. The device is capable of operating over an input voltage range of 1.8V to 20V. The device can supply 100mA of output current from Output 2 with a dropout voltage of 300mV. Output 1 can supply 500mA of output current with a dropout voltage of 300mV. Quiescent current is well controlled in dropout. The LT3024 regulator is stable with output capacitors as low as 1μF for the 100mA output and 3.3μF for the 500mA output. 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 device is available as an adjust- able device with a 1.22V reference voltage. The LT3024 regulator is available in the thermally enhanced 16-lead TSSOP and 12-lead, low profile (4mm × 3mm × 0.75mm) DFN packages. TYPICAL APPLICATION FEATURES APPLICATIONS DESCRIPTION Dual 100mA/500mA Low Dropout, Low Noise, Micropower Regulator n Low Noise: 20μVRMS (10Hz to 100kHz) n Low Quiescent Current: 30μA/Output n Wide Input Voltage Range: 1.8V to 20V n Output Current: 100mA/500mA n Very Low Shutdown Current: <0.1μA n Low Dropout Voltage: 300mV at 100mA/500mA n Adjustable Outputs from 1.22V to 20V n Stable with 1μF/3.3μF Output Capacitor n Stable with Aluminum, Tantalum or Ceramic Capacitors n Reverse Battery Protected n No Reverse Current n No Protection Diodes Needed n Overcurrent and Overtemperature Protected n Thermally Enhanced 16-Lead TSSOP and 12-Lead (4mm × 3mm) DFN Packages n Cellular Phones n Pagers n Battery-Powered Systems n Frequency Synthesizers n Wireless Modems L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. 10Hz to 100kHz Output Noise 3.3V/2.5V Low Noise Regulators VIN 3.7V TO 20V 3.3V AT 500mA 20μVRMS NOISE 249k 0.01μF 10μF 1μF 422k 3024 TA01a OUT2 2.5V AT 100mA 20μVRMS NOISE ADJ2 BYP2 GND 249k 0.01μF 10μF 261k IN SHDN1 SHDN2 OUT1 ADJ1 BYP1 LT3024 VOUT 100μV/DIV 20μVRMS 3024 TA01b |
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