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AT73C203

ATMEL Corporation
Part Number AT73C203
Manufacturer ATMEL Corporation
Description Power Management IC for Datacom Platforms
Published Mar 23, 2005
Detailed Description Features • DC to DC Step Down 1.2 A, 0.9V (Dynamically Adjustable to 0.87V/1.1V/1.2V) • DC to DC step Down 1.2 A, 1.2V (...
Datasheet PDF File AT73C203 PDF File

AT73C203
AT73C203

Overview
Features • DC to DC Step Down 1.
2 A, 0.
9V (Dynamically Adjustable to 0.
87V/1.
1V/1.
2V) • DC to DC step Down 1.
2 A, 1.
2V (Dynamically Adjustable to 1.
0V/1.
1V/1.
3V) or 1.
75V (Dynamically Adjustable 1.
65V/1.
70V/1.
80V) • DC to DC Step Down 1.
2 A, 1.
8V (Dynamically Adjustable to 1.
70V/1.
75V/1.
85V) or 2.
5V (Dynamically Adjustable 2.
3V/2.
4V/2.
6V) • DC to DC Step Up/Down 520 mA, 3.
3V (Dynamically Adjustable to 3.
0V/3.
1V/3.
4V) • Dual Battery Chargers: Li+ Precharge, Fast Charge, Top-up Charge, 4.
1V (or Adjustable), Processor Tuned Algorithms – USB Trickle Charge: Precharge Flat Battery from USB Pre-enumeration, then Autowake of Processor at 3.
8V Battery Level – Battery Charge Select: 25 mA to 500 mA – Real-time Charge Inhibit: Allows Charge Suspend (e.
g.
During TX Slots) Supply Monitor of Four Power Sources: Thermistors, Temperature, DC/DC Rails, all Supplied with Out-of-regulation Threshold Detection SIM Interface: SIM / USIM, 1.
8V / 3.
0V Standards, Integrated TX and RX Data FIFO SPI Control ...


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