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PM7744：Single phase controller with digital interface

The PM7744 is a single phase step-down controller with complete control logic and protection to realize in a simple way general DC-DC converters by using a compact 3 x 3 mm VFQFPN16 package.

The PMBus^TMinterface allows a device configuration and output voltage, a current and controller temperature monitoring.

The PM7744 device features a dedicated control loop managing a high frequency repetitive load transients maintaining a regulation in all operative conditions.

A remote sensing for the regulated voltage allows maintaining 0.5% accuracy on the regulated voltage overload and line variations.

The PM7744 device is available in a VFQFPN16, 3 x 3 mm package.

Key Features

• 3.3 V to 6 V operating supply voltage
• 0.5% internal reference voltage accuracy
• Up to 1 MHz switching frequency
• Remote voltage sense
• Dedicated EN pin
• Power Good output
• VREF input and voltage tracking
• Light load efficiency optimization
• Output voltage protections
  • Overvoltage
  • Undervoltage
  • Overcurrent
• PMBusTM compliant serial interface to program controller operating parameter settings and for telemetry
  • Switching frequency
  • Soft-start time
  • Margin mode
  • Output voltage, current and temperature reporting
  • Status register
• Pre-biased output management
• Current monitor input
• Temperature monitor input
• Available in VFQFPN16, 3 x 3 mm package

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