ME2107A33M5G

ME2107 Load Disconnection Function，High Efficiency, synchronous PFM step-up DC-DC converter General Description Features ME2107 is a series of high-efficiency, low-power  Enabling true turn-off，Load disconnection PFM Synchronous Boost DC-DC converters with  Short-circuit protection function enabling true turn-off and short-circuit protection  High efficiency：93% functions. enabling real turn-off of input and output,  Low voltage start：0.9V@IOUT=1mA system consumption current is very low, and has  Low Quiescent Current：7.5μA short-circuit protection function, improve equipment  Frequency：320KHz life and reliability.  Output voltage：1.8V~5V ME2107 can provide 1.8V~5.0V output voltage  High Accuracy: ± 2% and step 0.1V. 0.9V input can start the output 3.3V  Output Current (Max)：>300mA voltage with 1mA load. It is suitable for single base, Ni  synchronous MH battery and lithium power supply equipment. Synchronized boost, SOT23-5 package, peripheral only need four components, can complete the low input battery voltage boost to the required working voltage. Typical Application  Package 1~3 section dry cell electronic equipment, single  5-pin SOT23-5 lithium power supply equipment  Digital cameras, LED flashlights, LED lights, sphygmomanometer, wireless Remote headphones, wireless control mouse toys, and keyboard, medical devices, Car alarm, charger, VCR, PDA and other handheld electronic devices. V02 www.microne.com.cn Page 1 of 9 ME2107 Typical Application Circuit VIN 22uH VOUT LX ME2107 CO1 104 VBAT CIN 10uF EN VOUT CO 100uF GND Selection Guide ME 21 07 X XX XX G Environment mark Package M5：SOT23-5 Output Voltage Version / Series Product Type Product Series Microne product series product description ME2107A30M5G VOUT =3.0V；Package：SOT23-5 ME2107A33M5G VOUT =3.3V；Package：SOT23-5 ME2107A50M5G VOUT =5.0V；Package：SOT23-5 NOTE: If you need other voltage and package, please contact our sales staff。 V02 www.microne.com.cn Page 2 of 9 ME2107 Pin Configuration LX VOUT 5 4 1 2 3 EN GND VBAT SOT23-5 Pin Assignment PIN Number Pin Name Description 1 EN Enable 2 GND Ground 3 VBAT Chip Input 4 VOUT Output 5 LX Power Switch Block Diagram Backgate Comtrol LX VOUT VOUT VBAT VDD Max PG VDD Driver NG RFB1 Vb RFB2 + Ilimit PFM - GND OSC EA + FB VR VR EN V02 EN VR Vb www.microne.com.cn Page 3 of 9 ME2107 Absolute Maximum Ratings Parameter Symbol Ratings Units VBAT Input Voltage VBAT -0.3~6 V EN Enable Voltage EN -0.3~6 V LX pin Voltage LX -0.3~6 V LX pin current ILXmax 1000 mA VOUT pin voltage VOUT -0.3~6 V Operating Ambient Temperature Range TOPR -40~85 ºC Storage Temperature Range TSTG -55~150 ºC Maximum junction temperature TJ -40~150 ºC Welding temperature TL 260 ºC Continuous Total Power Dissipation SOT23-5 PD 0.6 W Thermal resistance (Junction to air) θJA 210 ºC/W note：The absolute maximum rating is the maximum physical injury limit that the product can withstand. Please do not exceed the rating under any circumstances. Peripheral components demand list V02 Parameter Symbol value Units inductance L 22 μH Input capacitance CIN 10 μF Output capacitance CO 100 μF Output capacitance CO1 0.1 μF www.microne.com.cn Page 4 of 9 ME2107 Electrical Characteristics TA = 25 ºC, VIN =VEN=2V,VOUT=3.3V,L=22uH,CIN=10uF，CO=100uF ，CO1=104, unless otherwise noted Parameter Symbol Test Conditions MIN TYP MAX UNIT Low voltage start Vstart ILOAD=1mA, VIN:0→2V - 0.9 1.0 V Hold voltage Vhold ILOAD=1mA, VIN:2→0V 0.5 - - V Maximum input voltage Vinmax 0.9 - 5.5 V Output voltage accuracy Vout ILOAD=1mA -2 - +2 % Power adjustment ΔVout1 VIN=1V-2V,IOUT=10mA - 5 20 mV Load adjustment ΔVout2 IOUT=0-100mA,VIN=2V - 20 30 mV Quiescent Current ISS VOUT=VOUT+0.5 - 7.5 10 uA Chip Shutdown current ISS0 VCE=0V - 0 0.1 uA Current limit* Ilimit - 1000 - mA No load input current* Iin0 VIN=2V - 15 - uA Enable Off input current Iin1 VIN=1.5V VEN=0 - 0.45 1 uA VIN=2V,Vout