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SY20518 Datasheet Buck-Boost DC/DC Regulator

Manufacturer: Silergy

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Datasheet Details

Part number SY20518
Manufacturer Silergy
File Size 1.01 MB
Description Buck-Boost DC/DC Regulator
Datasheet download datasheet SY20518 Datasheet

General Description

The SY20518 is a 2.6V to 5.5V input voltage range, high efficiency, fixed frequency Buck-Boost converter that can provide up to 2A of continuous current to a load that requires a voltage below equal or above the input voltage.

The converter can provide power for system powered by either a two-cell or three-cell alkaline, Ni-Cd or Ni-MH batteries, or a single cell Li-Ion or Li-polymer battery.

The SY20518 is based on a fixed frequency, pulse-widthmodulation (PWM) controller using synchronous rectification to obtain maximum efficiency.

Overview

SY20518 High Efficiency, 1MHz, 2A, Buck-Boost DC/DC Regulator.

Key Features

  • 2.6V to 5.5V Input Voltage Range.
  • 2A Continuous Output Current Capability.
  • Adjustable Output Voltage between 2.6V and 3.8V Independent of the Input Voltage.
  • 1 MHz (typ. ) Fixed Frequency Operation.
  • Four low RDSON Internal Power Switches.
  • Seamless Buck-Boost Transition.
  • Output Disconnect During Shutdown.
  • Power Good Indicator.
  • Built In Thermal Shut Down Protection, Hard Short Protection.

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