ME2106F20P5G

1 Watt Step up DC-DC White LED Driver ME2106 Series Ver 07 1 Watt Step up DC-DC White LED Driver ME2106 Series Description: Features: ME2106 Series is a PFM Step-up DC/DC driver IC with invariant current, design for LED applications. Thought the external resistance, output current reach 0mA~500mA.     A low ripple, high efficiency step-up DC/DC converter can be constructed of ME2106xx with only three external components. Also available is a CE (chip enable) function that reduce power consumption. Selection Guide: Low start voltage：0.8V ( at Iout=1mA) Output Current range：0~ 500mA Output Current accuracy：±10% Only inductors, capacitors, Schottky diodes, resistors and so few external components High Efficiency：82%(Type) PACKAGE：SOT-23-5，SOT-89-5   Applications:   Nanjing Micro One Electronic Inc. 1/17 Power source for high-power LED Power source for invariant current www. microne. com. cn Tel: 86-25-84731186 1 Watt Step up DC-DC White LED Driver ME2106 Series Ver 07 Pin configuration : Pin Assignment: ME2106Fxx PIN Number SOT-23-5 SOT-89-5 1 3 2 2 3 1 4 5 5 4 PIN NAME CE Vout FB GND Lx FUNCTION Chip enable Output voltage monitor, IC internal power supply Feedback Ground Switch Block Diagram: Nanjing Micro One Electronic Inc. 2/17 www. microne. com. cn Tel: 86-25-84731186 1 Watt Step up DC-DC White LED Driver ME2106 Series Ver 07 Absolute Maximum Ratings: PARAMETER VIN Input Voltage Lx Pin voltage CE Pin voltage IFB output voltage Lx Pin current Continuous Total SOT-23-5 Power Dissipation SOT-89-5 Maximum Operating Ambient Temperature Operating Ambient Temperature Storage Temperature Soldering temperature and time SYMBAL VIN VLX VCE VIFB ILX RATINGS 0.3~6.5 0.3~Vout+0.3 0.3~Vout+0.3 0.3~Vout+0.3 1.5 UNITS V V V V mA Pd 300 mW Pd 500 mW Tmax 150 ℃ TOpr Tstg Tsolder -20~+85 -40~+125 260℃, 10s ℃ ℃ Recommend work conditions: PARAMETER Input voltage Inductance Input inductance output inductance Operating Ambient Temperature Nanjing Micro One Electronic Inc. MIN 0.8 10 0 47 RECOMMEND 15 ≥22 100 -20 3/17 MAX Vout 100 220 UNITS V µH µF µF 85 ℃ www. microne. com. cn Tel: 86-25-84731186 1 Watt Step up DC-DC White LED Driver ME2106 Series Ver 07 Electrical Characteristics: ME2106F (Measuring conditions: VIN =2.5V，VCE = VOUT =3.3 V，R= 33Ω，TA = 25℃.Unless otherwise specified ） SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOUT feedback Voltage IOUT=100mA 180 200 220 mV Vstart Starup Voltage 0.8 0.9 V Vhold holding Voltage IDD2 Supply Current VCE=VIFB=VOUT=3.3V 50 µA ILXleak Lx Leakage Current VCE=VLX=VOUT=VIFB=3.3V 1 µA Fosc Oscillation Frequency VIFB=0 Maxdty Duty Ratio On(VLX“L”)side η Efficiency IOUT=250mA VCEH CE is “H”,input voltage VCEL CE is “L”,input voltage IOUT=1mA, VIN：0→2V IOUT=1mA, VIN：2→0V 0.6 0.7 V 300 VCE：0→2V (up to work slowly with the chip) VCE：2V→0 (down to work off slowly with the chip) 77 79 kHz 82 82 % % 0.6 V 0.4 V Notes： 1、 Diode：Schottky diode（forward voltage drop ： 0.3V，0.3A ），such as IN5817 or 1N5819 2、Inductor：15μH（R