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MAX667 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX667 Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 9 page _______________General Description The MAX667 low-dropout, positive, linear voltage regu- lator supplies up to 250mA of output current. With no load, it has a typical quiescent current of 20µA. At 200mA of output current, the input/output voltage differ- ential is typically 150mV. Other features include a low- voltage detector to indicate power failure, as well as early-warning and low-dropout detectors to indicate an imminent loss of output voltage regulation. A shutdown control disables the output and puts the circuit into a low quiescent-current mode. The MAX667 employs Dual Mode™ operation. One mode uses internally trimmed feedback resistors to pro- duce +5V. In the other mode, the output may be varied from +1.3V to +16V by connecting two external resistors. The MAX667 is a pin-compatible upgrade to the MAX666 in most applications where the input voltages are above +3.5V. Choose the MAX667 when high out- put currents and/or low dropout voltages are desired, as well as for improved performance at higher temperatures. ________________________Applications Battery-Powered Devices Pagers and Radio Control Receivers Portable Instruments Solar-Powered Instruments ____________________________Features ♦ 350mV Max Dropout at 200mA ♦ 250mA Output Current ♦ Normal Mode: 20µA Typ Quiescent Current Shutdown Mode: 0.2µA Typ Quiescent Current ♦ Low-Battery Detector ♦ Fixed +5V (Min Component Count) or Adjustable Output ♦ +3.5V to +16.5V Input ♦ Dropout Detector Output ♦ 10µF Output Capacitor +5V/Programmable Low-Dropout Voltage Regulator ________________________________________________________________ Maxim Integrated Products 1 __________________Pin Configuration __________Typical Operating Circuit 19-3894; Rev 4; 9/08 1 2 3 4 8 7 6 5 IN LBO SET SHDN GND LBI OUT DD MAX667 DIP/SO TOP VIEW MAX667 GND SHDN SET OUT +5V OUT IN C1 10 μF +6.3V BATTERY PART TEMP RANGE PIN-PACKAGE MAX667CPA 0°C to +70°C 8 Plastic DIP MAX667CSA 0°C to +70°C 8 SO MAX667C/D 0°C to +70°C Dice* MAX667EPA -40°C to +85°C 8 Plastic DIP MAX667ESA -40°C to +85°C 8 SO MAX667MJA -55°C to +125°C 8 CERDIP** *Contact factory for dice specifications. **Contact factory for availability and processing to MIL-STD-883. †Contact factory for availability. TM Dual Mode is a trademark of Maxim Integrated Products. For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. MAX667MSA/PR -55°C to +125°C 8 SO† MAX667MSA/PR-T -55°C to +125°C 8 SO† Ordering Information |
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