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MAX4995C Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX4995C Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 12 page General Description The MAX4995A/MAX4995AF/MAX4995AL/MAX4995B/ MAX4995C programmable current-limit switches feature internal current limiting to prevent damage to host devices due to faulty load conditions. These analog switches feature a low 130mΩ (typ) on-resistance and operate from a +1.7V to +5.5V input voltage range. The current limit is adjustable from 50mA to 600mA, making these devices ideal for SDIO (secure digital input/out- put) and other load-switching applications. Each device in the family handles an overcurrent event differently depending on the option selected. The MAX4995A/MAX4995AF/MAX4995AL go into an autoretry mode, the MAX4995B latches off the switch, and the MAX4995C places the device in a continuous current-limit mode. Additional safety features include thermal shut- down to prevent overheating and reverse-current blocking to prevent current from being driven back into the source. The MAX4995A/MAX4995AF/MAX4995AL/MAX4995B/ MAX4995C are available in a tiny 10-pin, 1.4mm x 1.8mm UTQFN package and operate over the -40°C to +125°C extended temperature range. Applications SDIO Ports USB Ports Notebook VGA Ports GPS Cell Phones MP3 Players UTCA/ATCA Platforms Features ♦ 50mA to 600mA Programmable Current Limit ♦ ±10% Accurate Current Limit ♦ Overload FLAG Threshold ♦ Low Dropout Voltage ♦ Short-Circuit Protection ♦ Thermal Shutdown ♦ Reverse-Current Protection ♦ 170µA (typ) Supply Current ♦ +1.7V to +5.5V Supply Voltage Range ♦ Tiny 10-Pin, 1.4mm x 1.8mm UTQFN Package 50mA to 600mA Programmable Current-Limit Switches ________________________________________________________________ Maxim Integrated Products 1 Ordering Information/Selector Guide 19-4363; Rev 0; 11/08 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. All devices operate over the -40°C to +125°C temperature range. +Denotes a lead-free package. *Future product. Contact factory for availability. Ordering Information/Selector Guide continued at end of data sheet. PART PIN- PACKAGE ON POLARITY OVERCURRENT RESPONSE SHORT-CIRCUIT RESPONSE TOP MARK MAX4995AAUK+T* 6 SOT23 ActIve-High Autoretry Normal +ACNZ MAX4995AAVB+T 10 UTQFN Active-High Autoretry Normal +AAM MAX4995AFAUK+T* 6 SOT23 Active-High Autoretry Fast +ACOE MAX4995AFAVB+T 10 UTQFN Active-High Autoretry Fast +AAR MAX4995ALAUK+T* 6 SOT23 Active-Low Autoretry Normal +ACDA Typical Operating Circuit appears at end of data sheet. Pin Configurations 35 10 8 IN * ( ) FOR THE MAX4995AL ONLY. OUT MAX4995A/MAX4995AF MAX4995AL/MAX4995B MAX4995C 4 9 N.C. ON (ON)* GND 1.4mm x 1.8mm UTQFN TOP VIEW SETI 7 OUT 1 IN 6 N.C. 2 FLAG Pin Configurations continued at end of data sheet. |
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