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APW9106

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10A, 18V, 600kHz Synchronous Step-Down Converter

Features
  • Input Voltage range: 4.5V to 18V
  • 10A Output Current
  • ANPEC System Phase Shift (ASP) function Reduces System Noise by Daisy Chaining Converter with Phase Shift
  • Typical 0.6V ±1% Internal Reference Voltage
  • Optimized Upper and Lower MOSFETs RDS_on for max Efficiency:
- N-CH MOSFET: 20mΩ for High Side
- N-CH MOSFET: 11mΩ for Low Side
  • VDD Bypass Function allows for External 5V supply
  • Mode Pin allows for Forced PWM or Automatic PSM/PWM mode
  • Built in OVP, UVP, Current Limit and OTP
  • Low Cost TQFN3x3-14 package
  • Lead Free and Green Devices Available (RoHS Compliant)
  • SpeedTransTM Technology

General Description
The APW9106 is a high efficiency synchronous buck converter with integrated 20m/11mΩ of upper/lower power MOSFET and offers 10A continuous current capability. This part is part of the family of converters with a proprietary ANPEC System Phase Shift (ASP) method that allows multiple converters to be daisy chained together while being able to synchronize to an external clock, allowing for a much reduced system noise performance. The ASP pin of the APW9106 can output a synchronized clock to the external clock with a slight phase delay to the next converter such that next converter will not turn on at the same time. The APW9106 uses a peak current mode control scheme to regulate the output voltage. The internal switching frequency is set at 600kHz while the EN/SYNC pin supports external clock synchronization. The APW9106 also equips a technique: SpeedTransTM, which allows improving transient response without complex external compensation circuits design. VDD bypass pin allows for an external 5V supply to power the internal control circuitry thereby reducing overall system power consumption for better efficiency especially at light load conditions. And PM selection, It can improve the efficiency when the load is light. The APW9106 is also equipped with Power-on-reset, soft-start, and complete protections, over-temperature, overvoltage, under-voltage and over-current of the converter The APW9106 is offered in a TQFN3x3-14 package allowing small size while having an excellent thermal capability for power dissipation.

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