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1、 ME6118 V04 Page 1 of 13 800mA Adjustable Voltage High Speed LDO Regulators ME6118 Series General Description Features Typical Application Selection Guide The ME6118 series are highly accurate, low noise, LDO Voltage Regulators that are capable of providing an output current that is in excess of 800
2、mA with a maximum dropout voltage of 1.0V at 800mA（ME6118A18）.This series contains four fixed output voltages of 1.2V,1.8V,2.5V and 3.3V that have no minimum load requirement to maintain regulation. On chip trimming adjusts the reference/output voltage to within 2% accuracy. Internal protection feat
3、ures consist of output current limiting, safe operating area compensation, and thermal shutdown. The ME6118series can operate with up to 18V input. Devices are available in SOT223. Consumer and Industrial Equipment Point of Regulation Switching Power Supply Post Regulation Hard Drive Controllers Bat
4、tery Chargers Typical Application Circuit Output Current in Excess of 800mA Dropout Voltage:115mV IOUT =100mA （ME6118A18） Operating Voltage Range: 2.5V18V Highly Accuracy: 2 Adjustable Output Voltage Option Standby Current: 52uA（TYP.） High Ripple Rejection: 70dB1KHz（ME6118A18） Line Regulation: 2mV（T
5、YP.） Temperature Stability0.5% Thermal Shutdown Protection：160 Packages:SOT223 ME6118 V04 Page 2 of 13 Pin Configuration SOT223 Pin Assignment ME6118AXX Pin Number Pin Name Functions SOT223 1 GND Ground 2 VOUT Output 3 VIN Power Input Absolute Maximum Ratings Parameter Symbol Ratings Units Input Vol
6、tage VIN 18 V Output Current IOUT 1.1 A Output Voltage VOUT Vss-0.3VIN +0.3 V Power Dissipation SOT223 PD 750 mW Operating Temperature Range TOPR 40125 Storage Temperature Range TSTG 40150 Lead Temperature 260，4sec ME6118 V04 Page 3 of 13 Block Diagram Electrical Characteristics ME6118A12 (VIN= VOUT
7、+1.3V，CIN=CL=10uF，Ta=25OC, unless otherwise noted) Parameter Symbol Conditions Min. Typ. Max. Units Output Voltage VOUT(E) (Note 2) IOUT=10mA, VIN= VOUT+1.3V X 0.98 VOUT (T) (Note 1) X 1.02 V Maximum Output Current IOUTMAX VIN= VOUT+1.3V 800 mA Load Regulation VOUT VIN= VOUT+1.3V , 1mAIOUT800mA 3 10
8、 mV Dropout Voltage (Note 3) VDIF1 IOUT =100mA 195 mV VDIF2 IOUT =400mA 665 mV VDIF3 IOUT =800mA 1250 mV Quiescent Current Iss VIN= VOUT+1.3V 53 uA Line Regulation VOUT IOUT =0mA VOUT+1.3V VIN18V 2 10 mV Thermal Shutdown Protection Tsd IOUT=10mA, VIN= VOUT+1.3V 155 Over Current Protection Ilimit VIN
9、=3V 1.1 A ME6118 V04 Page 4 of 13 ME6118A18 (VIN= VOUT+1.2V，CIN=CL=10uF，Ta=25OC, unless otherwise noted) Parameter Symbol Conditions Min. Typ. Max. Units Output Voltage VOUT(E) (Note 2) IOUT=10mA VIN= VOUT+1.2V X 0.98 VOUT (T) (Note 1) X 1.02 V Maximum Output Current IOUTMAX VIN= VOUT+1.2V 800 mA Lo
10、ad Regulation VOUT VIN= VOUT+1.2V , 1mAIOUT800mA 5 10 mV Dropout Voltage (Note 3) VDIF1 IOUT =100mA 115 mV VDIF2 IOUT =400mA 450 mV VDIF3 IOUT =800mA 940 mV Quiescent Current Iss VIN= VOUT+1.2V 52 uA Line Regulation VOUT IOUT =0mA VOUT+1.2V VIN18V 2 10 mV Thermal Shutdown Protection Tsd IOUT=10mA VI
11、N= VOUT+1.2V 160 Over Current Protection Ilimit VIN=3.5V 1.1 A ME6118A25 (VIN= VOUT+1.2V，CIN=CL=10uF，Ta=25OC, unless otherwise noted) Parameter Symbol Conditions Min. Typ. Max. Units Output Voltage VOUT(E) (Note 2) IOUT=10mA, VIN= VOUT+1.2V X 0.98 VOUT (T) (Note 1) X 1.02 V Maximum Output Current IO
12、UTMAX VIN= VOUT+1.2V 800 mA Load Regulation VOUT VIN= VOUT+1.2V , 1mAIOUT800mA 5 10 mV Dropout Voltage (Note 3) VDIF1 IOUT =100mA 90 mV VDIF2 IOUT =500mA 450 mV VDIF3 IOUT =800mA 790 mV Quiescent Current Iss VIN= VOUT+1.2V 53 uA Line Regulation VOUT IOUT =0mA VOUT+1.2V VIN18V 2 10 mV Thermal Shutdow
13、n Protection Tsd IOUT=10mA, VIN= VOUT+1.2V 160 Over Current Protection Ilimit VIN=4.0V 1.1 A ME6118 V04 Page 5 of 13 ME6118A33 (VIN= VOUT+1.2V，CIN=CL=10uF，Ta=25OC, unless otherwise noted) Parameter Symbol Conditions Min. Typ. Max. Units Output Voltage VOUT(E) (Note 2) IOUT=10mA, VIN= VOUT+1.2V X 0.9
14、8 VOUT (T) (Note 1) X 1.02 V Maximum Output Current IOUTMAX VIN= VOUT+1.2V 800 mA Load Regulation VOUT VIN= VOUT+1.2V , 1mAIOUT800mA 7 10 mV Dropout Voltage (Note 3) VDIF1 IOUT =100mA 80 mV VDIF2 IOUT =500mA 400 mV VDIF3 IOUT =800mA 680 mV Quiescent Current Iss VIN= VOUT+1.2V 53 uA Line Regulation V
15、OUT IOUT =0mA VOUT+1.2V VIN18V 2 10 mV Thermal Shutdown Protection Tsd IOUT=10mA, VIN= VOUT+1.2V 160 Over Current Protection Ilimit VIN=5.0V 1.1 A ME6118A50 (VIN= VOUT+1.2V，CIN=CL=10uF，Ta=25OC, unless otherwise noted) Parameter Symbol Conditions Min. Typ. Max. Units Output Voltage VOUT(E) (Note 2) IOUT=10mA, VIN= VOUT+1.2V X 0.98 VOUT (T) (Note 1) X 1.02 V Maximum Output Current IOUTMAX VIN= VOUT+1.2V 800 mA Load Regulation VOUT VIN= VOUT+1.2V , 1mAIOUT800mA 8 10 mV Dropout Voltage (No
