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AS3710 Power Management Unit

3 buck DC-DC, 8 LDOs, 1.5A linear/DC-DC charger

 

The programmable power management unit AS3710 features 3x DCDC buck converters, 3x boost converters, 1.5A Li-Ion charger and programmable current bypass switch off the USB input , 8 low noise LDOs and a general purpose ADC. The high level of integration and the 4MHz switching fequencies ensure small system footprint

Key Features

  • OTP programmable Boot sequence
  • 4MHz DCDC operation
  • Li-Ion Charger + Backlight Boost + Sinks

Key Benefits

  • Flexible and fast adaptation to different processors/applications
  • Compact design due to small coils
  • Small PCB area for mobile battery powered devices

Product Facts

DC-DC step up converters [ ] 3x general purpose
(voltage or current output)
DC-DC step down converters 1x1.5A + 2x1A or
2A + 1.5A
RF LDOs [mA] 2x250
Digital LDOs [mA] 6x300
Current sinks [mA] 3x40 (HV)
Charge pump [V/mA]
Audio DAC
Audio ADC
Audio features
General purpose ADC 10 bit
Charger step-down, linear
Customizable startup sequences programmable
Package QFN-56 (7x7)

Additional Information

Applications

The device is suitable for portable media players, portable navigation devices, e-books, mobile Internet devices, and tablet PCs.

Supported Processors

Reference designs from processor vendors and partners of ams are available for many processor types.