Part SY21222
Description Step-Up Regulator
Category Voltage Regulator
Manufacturer Silergy
Size 1.26 MB
Silergy

SY21222 Overview

Description

The SY21222 high efficiency DC-to-DC step-up regulator operates using current mode control, and can deliver 2A current over a wide input voltage range from 3V to 33V. It integrates an N-channel MOSFET with low 200mΩ RDS(ON) to minimize conduction loss.

Key Features

  • 3V to 33V Input Voltage Range
  • 33V Maximum VOUT
  • 2A Internal MSOFET Current Limit
  • 5µA Shutdown Current (Typ.)
  • 100µA Iq (Typ.)
  • Low RDS(ON) for Internal N-Channel MOSFET: 200mΩ
  • 1MHz Switching Frequency
  • Minimum On-Time: 100ns Typical
  • Minimum Off-Time: 100ns Typical
  • Internal Soft-Start