Description
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The LT®3021 is a very low dropout voltage (VLDO™) linear regulator that operates from input supplies down to 0.
Features
* n VIN Range: 0.9V to 10V n Dropout Voltage: 160mV Typical n Output Current: 500mA n Adjustable Output (VREF = VOUT(MIN) = 200mV) n Fixed Output Voltages: 1.2V, 1.5V, 1.8V n Stable with Low ESR, Ceramic Output Capacitors
(3.3μF Minimum) n 0.2% Load Regulation from 0mA to 500mA n Quiescent Current: 12
Applications
* n Low Current Regulators n Battery-Powered Systems n Cellular Phones n Pagers n Wireless Modems
TYPICAL APPLICATION
1.8V to 1.5V, 500mA VLDO Regulator
VIN 1.8V
IN OUT
3.3μF
LT3021-1.5
SHDN SENSE
GND
VOUT 1.5V
3.3μF 500mA
3021 TA01
LT3021/LT3021-1.2/ LT3021-1.5/LT3021-1.8
500mA, Low Voltage