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HM5309 Datasheet Pfm Step-up DC-dc Controller

Manufacturer: H&M Semiconductor

Overview: HM5309 PFM Step-Up DC-DC Controller IC HM5309 General.

General Description

The HM5309 is a simple, pact PFM boost controller designed for applications where extremely low cost and small size are top priorities.

The output voltage is fixed at 9V with 1% accuracy from an input voltage range of +2.7V to +6.5V.

Low current consumption of 32uA typical makes HM5309 ideal for battery-powered applications.

Key Features

  • Operating voltage range：2.7V to 6.5V.
  • Low Operating Current: 32uA@5V.
  • Fixed Output Voltage of 9V.
  • High Output voltage accuracy：±1%.
  • No Feedback Resistor needed.
  • Output Voltage can be adjusted upwards with External Resistor.
  • Output Power: up to 40W.
  • High Efficiency: up to 94%.
  • Chip Enable Input.
  • Operating Temperature Range -40°C to +85°C.
  • Available in SOT23-6.
  • Pb-free, rohs-Compliant and Halogen-free Pin Assignment 1 Typical Applicati.

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HM5309 Distributor