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    ME1117 series are highly accurate, low noise, LDO Voltage Regulators that are capable of providing an output current that is in excess of 1.0A with a maximum dropout voltage of 1.3V at 1.0A. This series contains six fixed output voltages of 1.2 V, 1.5V,1.8 V, 2.5 V, 3.3 V, and 5.0 V that have no minimum load requirement to maintain regulation. Also included is an adjustable output version that can be programmed from 1.25 V to 20 V with two external resistors. On chip trimming adjusts the reference/output voltage to within ±2.0% accuracy. Internal protection features consist of output current limiting, safe operating area compensation, and thermal shutdown. The ME1117 series can operate with up to 20 V input.

ME1117 Features:

Output Current in Excess of 1.0A

Dropout Voltage：1.07V@ IOUT =100mA

Operating Voltage Range：4.8V～20V（ME1117A33）

Highly Accuracy： ±2％

Adjustable Output Voltage Option

Standby Current：3.3mA（TPY.）

High Ripple Rejection：60dB@1KHz（ME1117A33）

Line Regulation: 0.1％（TYP.）

Temperature Stability≤0.5%

Current Limit（1.3A）

Thermal Shutdown Protection（160℃）

ME1117 Typical Application:

Consumer and Industrial Equipment Point of Regulation

Switching Power Supply Post Regulation

Hard Drive Controllers

Battery Chargers

ME1117 Package:

3-pin SOT223、TO252-2、SOT89-3

ME1117 Typical Application Circuit：

ME1117 Selection Guide：

product series	product description
ME1117A15B3G	VOUT =1.5V； Package：SOT223
ME1117A18B3G	VOUT =1.8V； Package：SOT223
ME1117A25B3G	VOUT =2.5V； Package：SOT223
ME1117A33B3G	VOUT =3.3V； Package：SOT223
ME1117A33K3G	VOUT =3.3V； Package：TO252-2
ME1117A33PG	VOUT =3.3V； Package：SOT89-3
ME1117A50B3G	VOUT =5.0V； Package：SOT223
ME1117A50K3G	VOUT =5.0V； Package：TO252-2
ME1117FB3G	VFB =1.25V； Package：SOT223

ME1117 Pin Configuration：

ME1117 Pin Assignment：

ME1117 Block Diagram：