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SY8113C1 - Synchronous Step Down Regulator

Description

The SY8113C1 is a high efficiency, 1.2MHz synchronous step-down DC/DC regulator capable of delivering up to 3A load current.

It can operate over a wide input voltage range from 4.2V to 18V and integrate main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss.

Features

  • Low RDS(ON) for Internal Switches (Top/Bottom): 80mΩ/40mΩ.
  • 4.2-18V Input Voltage Range.
  • 3A Output Current Capability.
  • 1.2MHz Switching Frequency Minimize the External Components.
  • Stable with 10µF COUT and 0.68µH Inductor.
  • Instant PWM Architecture to Achieve Fast Transient Responses.
  • Internal Soft-start Limits the Inrush Current.
  • Cycle-by-cycle Peak/Valley Current Limitation.
  • Hic-cup Mode Output Short Circuit Protection.
  • Thermal Shutdown with Aut.

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Datasheet Details

Part number SY8113C1
Manufacturer Silergy
File Size 944.97 KB
Description Synchronous Step Down Regulator
Datasheet download datasheet SY8113C1 Datasheet

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Full PDF Text Transcription

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SY8113C1 High Efficiency, 1.2MHz, 3.0A, 18V Input Synchronous Step Down Regulator General Description The SY8113C1 is a high efficiency, 1.2MHz synchronous step-down DC/DC regulator capable of delivering up to 3A load current. It can operate over a wide input voltage range from 4.2V to 18V and integrate main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss. The SY8113C1 adopts the instant PWM architecture to achieve fast transient responses for high step down applications and high efficiency at light loads. In addition, it operates at pseudo-constant frequency of 1.2MHz to minimize the size of the inductor and the capacitor.
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