MP20048 Capacitor-Free, 250mA, Low Dropout Voltage Regulator The Future of Analog IC Technology FEATURES DESCRIPTION Stable with No Output Capacitor or Any The MP20048 is a kind of new low-dropout Capacitors (LDO) voltage regulators which uses an NMOS Input Voltage Range: 1.7V to 5.5V as the pass element in a voltage-follower Output Voltage Range:1.234V to 5V configuration. It can get any value of output 62.5mV Dropout at 250mA Load from 1.234V to 5V. The benefit of this product is 1% Accuracy for Initial Reference that it can operate without any capacitors. Thermal off and Current Limit Protection The MP20048 uses an advanced BICMOS Available in a TSOT23-5 package process to yield high precision. It also delivers very low dropout voltage and low ground pin APPLICATIONS current. It integrates the thermal-off and current VCOs limit block to protect the devices from damage. Portable/Battery-Powered Equipment The MP20048 is available in a TSOT23-5 Post-Regulation for Switching Supplies package. Point of Load Regulation for DSPs, FPGAs, ASICs, and Microprocessors MPS and The Future of Analog IC Technology are Registered Trademarks of Monolithic Power Systems, Inc. TYPICAL APPLICATION VOUT VIN IN OUT R1 C1 MP20048 EN FB GND R2 Typical Application Circuit VIN VOUT IN OUT C3 C2 R1 C1 MP20048 (optional) (optional) EN FB GND R2 Typical Application Circuit with optional output cap and feedforward cap MP20048 Rev. 0.91 www.MonolithicPower.com 1 4/6/2010 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. 2010 MPS. All Rights Reserved. MP20048 CAPACITOR-FREE, 250mA, LOW DROPOUT VOLTAGE REGULATOR ORDERING INFORMATION Part Number* Package Top Marking Free Air Temperature (T ) A MP20048DJ TSOT23-5 3B 40 C to +85C *For Tape & Reel, add suffix Z (eg. MP20048DJ-Z) For Lead Free, add suffix LF (eg.MP20048DJLFZ) PACKAGE REFERENCE IN OUT GND FB EN (1) (5) ABSOLUTE MAXIMUM RATINGS Thermal Resistance JA JC TSOT23-5.............................. 220.... 110.. C/W Supply Input Voltage .................................... 6V (2) Power Dissipation, P T =25C D A Notes: 1) Exceeding these ratings may cause permanent damage to ................................................................. 0.45W the device. Operating Junct. Temp (T ) ....... -40C to 125C J 2) The maximum allowable power dissipation is a function of the Storage Temperature Range ..... -65C to 150C maximum junction temperature T(MAX), the junction-to- J ambient thermal resistance , and the ambient temperature JA Lead Temperature (Soldering, 10sec) .....260C T . The maximum allowable continuous power dissipation at A (3) any ambient temperature is calculated by P (MAX)=(T (MAX)- D J ESD Susceptibility T )/ . Exceeding the maximum allowable power dissipation A JA HBM (Human Body Mode) .......................... 2kV will cause excessive die temperature, and the regulator will go into thermal shutdown. Internal thermal shutdown circuitry MM (Machine Mode).................................. 500V protects the device from permanent damage. (4) 3) Devices are ESD sensitive. Handling precaution Recommended Operating Conditions recommended. 4) The device is not guaranteed to function outside its operating Supply Input Voltage.......................1.7V to 5.5V conditions. Enable Input Voltage .........................0V to 5.5V 5) Measured on JESD51-7 4-layer board. Junction Temperature ............................+125C MP20048 Rev. 0.91 www.MonolithicPower.com 2 4/6/2010 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. 2010 MPS. All Rights Reserved.