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SY20516A - 1.2A Buck-Boost DC/DC Regulator

Datasheet Summary

Description

The SY20516A operates over an input voltage range from 2.6V to 5.5V, and can provide up to 1.2A to the load.

The device uses a 1MHz fixed frequency, pulse-widthmodulation (PWM) architecture to obtain high efficiency, while enabling a small solution size.

Features

  • 2.6V to 5.5V Input Voltage Range.
  • 1.2A Output Current capability.
  • 1 MHz Fixed Frequency Operation.
  • 60 µA Quiescent Current (no load, typ. ).
  • 0.1 µA Shutdown Current (typ. ).
  • Seamless transition between operating modes.
  • Output disconnect during shutdown.

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Datasheet preview – SY20516A

Datasheet Details

Part number SY20516A
Manufacturer Silergy
File Size 1.85 MB
Description 1.2A Buck-Boost DC/DC Regulator
Datasheet download datasheet SY20516A Datasheet
Additional preview pages of the SY20516A datasheet.

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Full PDF Text Transcription

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SY20516A High Efficiency, 1MHz，1.2A Buck-Boost DC/DC Regulator General Description The SY20516A operates over an input voltage range from 2.6V to 5.5V, and can provide up to 1.2A to the load. The device uses a 1MHz fixed frequency, pulse-widthmodulation (PWM) architecture to obtain high efficiency, while enabling a small solution size. Under light load, the part switches automatically to PFM mode to maintain high efficiency. The output voltage can be configured between 2.6V and 3.8V using a resistor divider. A soft-start circuit limits the power-up inrush current, and can be configured using an external capacitor. A simple RC series compensation network ensures stable operation across the range of loads and input voltages. The device has an IQ of 60 µA (typ.).
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