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SY7901 - High Efficiency 500kHz 25V PWM Controller

General Description

The SY7901 is a current mode DC/DC controller targeted for Boost, Sepic, Flyback and Forward applications.

The SY7901 has an accurate DC input current limit.

External compensation provides flexible adjustment of control loops for different applications.

Key Features

  • Input Voltage Range 3V to 25V.
  • 500kHz Fixed Switching Frequency.
  • An Accurate DC Input Current Limit.
  • External Compensation.
  • Internal Soft-start Limits the Inrush Current.
  • Integrated Low Side Driver: 1.5A Sourcing and 3A Sinking.
  • RoHS Compliant and Halogen Free.
  • Compact Package: DFN3×3-10.

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Datasheet Details

Part number SY7901
Manufacturer Silergy
File Size 202.75 KB
Description High Efficiency 500kHz 25V PWM Controller
Datasheet download datasheet SY7901 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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SY7901 High Efficiency 500kHz, 25V PWM Controller with DC Input Current Limit General Description The SY7901 is a current mode DC/DC controller targeted for Boost, Sepic, Flyback and Forward applications. The SY7901 has an accurate DC input current limit. External compensation provides flexible adjustment of control loops for different applications. The internal low side driver is capable of sourcing 1.5A and sinking 3A current. Ordering Information SY7901 □(□□)□ Temperature Code Package Code Optional Spec Code Ordering Number Package type Note SY7901DBC DFN3×3-10 ---- Features • Input Voltage Range 3V to 25V • 500kHz Fixed Switching Frequency • An Accurate DC Input Current Limit • External Compensation • Internal Soft-start Limits the Inrush Current • Integrated Low Side Driver: 1.