19-0275; Rev 4; 7/09 5V/3.3V or Adjustable, Low-Dropout,Low IQ, 200mA Linear RegulatorsMAX882/MAX883/MAX884General DescriptionFeatures The MAX882/MAX883/MAX884 linear regulators maxi- o Foldback Current Limiting mize battery life by combining ultra-low supply currents and low dropout voltages. They feature 200mA output o High-Power (1.5W) 8-Pin SO Package current capability at up to +125°C junction temperature o Dual Mode Operation: Fixed or Adjustable and come in a 1.5W SOIC package. The 1.5W package Output from 1.25V to 11V (compared to 0.47W for standard SOIC packages) allows a wider operating range for the input voltage and o Large Input Range (2.7V to 11.5V) output current. The MAX882/MAX883/MAX884 use a p- o Internal 1.1Ω p-Channel Pass Transistor channel MOSFET pass transistor to maintain a low 11µA Draws No Base Current (15µA max) supply current from no-load to the full 200mA output. Unlike earlier bipolar regulators, there are o Low 220mV Dropout Voltage at 200mA no PNP base current losses that increase with output Output Current current. In dropout, the MOSFET does not suffer from o excessive base currents that occur when PNP transistors 11µA (typ) Quiescent Current go into saturation. Typical dropout voltages are 220mV o 1µA (max) Shutdown Mode or 7µA (typ) at 5V and 200mA, or 320mV at 3.3V and 200mA. Standby Mode The MAX882 features a 7µA standby mode that disables o Low-Battery Detection Comparator the output but keeps the reference, low-battery compara- tor, and biasing circuitry alive. The MAX883/MAX884 fea- o Reverse-Current Protection ture a shutdown (OFF) mode that turns off all circuitry, o Thermal-Overload Protection reducing supply current to less than 1µA. All three devices include a low-battery-detection comparator, fold- Ordering Information back current limiting, reverse-current protection, and thermal-overload protection. PIN- The output is preset at 3.3V for the MAX882/MAX884 PARTTEMP RANGEPACKAGE and 5V for the MAX883. In addition, all devices employ Dual Mode™ operation, allowing user-adjustable outputs MAX882 CPA 0°C to +70°C 8 PDIP from 1.25V to 11V using external resistors. The input volt- MAX882CSA 0°C to +70°C 8 SO age supply range is 2.7V to 11.5V. MAX882C/D 0°C to +70°C Dice* For low-dropout linear regulators with output currents up MAX882EPA -40°C to +85°C 8 PDIP to 500mA, refer to the MAX603/MAX604 data sheet. MAX882ESA -40°C to +85°C 8 SO ApplicationsOrdering Information continued at end of data sheet. Pagers and Cellular Phones *Dice are tested at TJ = +25°C, DC parameters only. 3.3V and 5V Regulators **Contact factory for availability. 1.25V to 11V Adjustable Regulators High-Efficiency Linear Regulators Typical Operating Circuit Battery-Powered Devices Portable Instruments Solar-Powered Instruments ON/OFF OFF (STBY) Pin Configuration OUTPUT MAX882 VOLTAGE TOP VIEW INPUT IN OUT MAX883 VOLTAGE LBI LBO 1 8 LBI MAX884 CIN COUT SET 2 7 OFF (STBY) O.1μF 2.2μF MAX882 SET GND BATTERY GND 3 MAX883 6 GND MAX884 OUT 4 5 IN ( ) ARE FOR MAX882. DIP/SO ( ) ARE FOR MAX882. Dual Mode is a trademark of Maxim Integrated Products, Inc. ________________________________________________________________ Maxim Integrated Products1For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com.