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SY20492 Datasheet High-efficiency 2a Valley-current Synchronous Boost Converter

Manufacturer: Silergy

Overview: SY20492 1.8V Minimum Input, 5.5V Maximum Output, High-Efficiency 2A Valley-Current Synchronous Boost Converter.

Datasheet Details

Part number SY20492
Manufacturer Silergy
File Size 1.49 MB
Description High-Efficiency 2A Valley-Current Synchronous Boost Converter
Datasheet SY20492-Silergy.pdf

General Description

The SY20492 is a high-efficiency, synchronous Boost converter designed for single-cell lithium (Li-ion or Li-polymer) or two-cell to three-cell nickel (alkaline Ni-Cd or Ni-MH) battery-powered applications.

It can operate down to 1.8V input voltage.

It uses NMOS for the main switch and PMOS for the synchronous switch.

Key Features

  • 1.8V Minimum Input Voltage.
  • Adjustable Output Voltage from 1.8V to 5.5V.
  • Minimum 2A Valley Current Limit.
  • 5µA Typical Quiescent Current.
  • Load Disconnect During Shutdown.
  • Low RDS(ON) at 3.3V Output: 100mΩ Main, 170mΩ Synchronous.
  • Output Overvoltage Protection (OVP).
  • Auto-Bypass Mode when VIN ≥ VOUT.
  • RoHS-Compliant and Halogen-Free.
  • Compact Package: SOT23-6.

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