LT3062 Series 45V VIN, Micropower, Low Noise, 200mA LDO FeaTuresDescripTion n Input Voltage Range: 1.6V to 45V The LT®3062 is a micropower, low dropout (LDO) linear n Output Current: 200mA regulator that operates over a 1.6V to 45V supply range n Quiescent Current: 45µA and is available in a series of fixed output and adjustable n Dropout Voltage: 300mV versions. The device supplies 200mA of output current n Low Noise: 30µVRMS (10Hz to 100kHz) with a typical dropout voltage of 300mV. A single external n Adjustable Output (VREF = 600mV) capacitor provides programmable low noise reference n Fixed Output Voltages: 3.3V, 5V performance and output soft-start functionality. The n Output Tolerance: ±2% Over Load, Line, and LT3062’s quiescent current is merely 45μA and provides Temperature fast transient response with a minimum 3.3μF output n Single Capacitor Soft-Starts Reference and Lowers capacitor. In shutdown, quiescent current is less than 1μA Output Noise and the reference soft start capacitor is reset. n Shutdown Current: < 1µA The LT3062 optimizes stability and transient response n Reverse Battery Protection with low ESR, ceramic output capacitors. The LT3062 n Current Limit Foldback and Thermal Limit Protection does not require the addition of ESR as is common with n 8-Lead 2mm × 3mm DFN and MSOP Packages other regulators. Internal protection circuitry includes reverse-battery pro- applicaTions tection, reverse-output protection, reverse-current protec- n Battery Powered Systems tion, current limit with foldback and thermal shutdown. n Automotive Power Supplies The LT3062 is available in fixed output voltages of 3.3V n Industrial Power Supplies and 5V, and as an adjustable device with an output voltage n Avionic Power Supplies range from the 600mV reference up to 40V. The LT3062 n Portable Instruments is offered in the thermally enhanced 8-lead 2mm × 3mm DFN and MSOP packages. L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. Typical applicaTionDropout Voltage3.3V Low Noise Regulator 550 500 VOUT 450 IN OUT 3.3V 400 200mA VIN 1µF LT3062-3.3 350 5V 10nF 10µF TAGE (mV) 300 SHDN ADJ 250 TJ = 25°C GND BYP 200 DROPOUT VOL 150 10nF 100 50 3062 TA01 0 0 25 50 75 100 125 150 175 200 OUTPUT CURRENT (mA) 3062 TA01a 3062fa For more information www.linear.com/LT3062 1
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