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SY8388A - Synchronous Step Down Regulator

Datasheet Summary

Description

SY8388A develops a high efficiency synchronous stepdown DC/DC regulator capable of delivering 8A current over a wide input voltage range of 4V to 24V.

Features

  • Low RDS(ON) for Internal Switches (Top/Bottom): 20/10 mΩ.
  • Wide Input Voltage Range: 4~24V.
  • Integrated Bypass Switch: 1.5Ω.
  • Instant PWM Architecture to Achieve Fast Transient Responses.
  • Internal Soft-Start Limits the Inrush Current.
  • Pseudo-Constant Frequency: 600kHz.
  • Adjustable Output Voltage.

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Datasheet Details

Part number SY8388A
Manufacturer Silergy
File Size 1.84 MB
Description Synchronous Step Down Regulator
Datasheet download datasheet SY8388A Datasheet
Additional preview pages of the SY8388A datasheet.

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Full PDF Text Transcription

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Application Note: AN_ SY8388A High Efficiency Fast Response, 8A, 24V Input Synchronous Step Down Regulator General Description SY8388A develops a high efficiency synchronous stepdown DC/DC regulator capable of delivering 8A current over a wide input voltage range of 4V to 24V. Silergy’s proprietary Instant-PWM™ fast-response, constant-on-time (COT) PWM control method supports high input/output voltage ratios (low duty cycles), and fast transient response while maintaining a near constant operating frequency over line, load and output voltage ranges. This control method provides stable operation without complex compensation and even with low ESR ceramic capacitors.
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