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SY21225 - 15A Synchronous Step Up Regulator

Datasheet Summary

Description

The SY21225 is a high efficiency synchronous boost regulator with programmable output current limit.

The device uses adaptive constant off time and current mode control.

The integrated low RDS(ON) switches minimize the conduction loss.

Features

  • cycle-by-cycle peak current limit, output short circuit protection and true shutdown. The device also provides enable control and a power good indicator which can be used for system power sequencing. Low output voltage ripple and small external inductor and capacitor sizes can be achieved with a resistor programmable pseudo-constant frequency. The SY21225 is available in a 4 mm x 4mm QFN package. Features.
  • Input Voltage Range: 4.5-30V.
  • Programmable Pseudo-Constant Frequency 200kHz to.

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Datasheet preview – SY21225

Datasheet Details

Part number SY21225
Manufacturer Silergy
File Size 884.42 KB
Description 15A Synchronous Step Up Regulator
Datasheet download datasheet SY21225 Datasheet
Additional preview pages of the SY21225 datasheet.

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Full PDF Text Transcription

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SY21225 High Efficiency, 15A Synchronous Step Up Regulator with Accurate Output Current Limit General Description The SY21225 is a high efficiency synchronous boost regulator with programmable output current limit. The device uses adaptive constant off time and current mode control. The integrated low RDS(ON) switches minimize the conduction loss. The SY21225 features cycle-by-cycle peak current limit, output short circuit protection and true shutdown. The device also provides enable control and a power good indicator which can be used for system power sequencing. Low output voltage ripple and small external inductor and capacitor sizes can be achieved with a resistor programmable pseudo-constant frequency. The SY21225 is available in a 4 mm x 4mm QFN package.
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