• Part: SY21240
  • Description: Synchronous Step-Down Regulator
  • Category: Voltage Regulator
  • Manufacturer: Silergy
  • Size: 1.87 MB
SY21240 Datasheet (PDF) Download
Silergy
SY21240

Description

The SY21240 high-efficiency synchronous step-down DC/DC regulator is capable of delivering 9A continuous/14A peak current over a wide input voltage range of 4V to 24V. It provides a plete power supply with the highest density for DDR3, DDR3L, LPDDR3, and DDR4 memory.

Key Features

  • 4–24V Input Voltage Range
  • Up to 9A Continuous/14A Peak Output Current
  • Low RDS(ON) for Internal Switches: 27mΩ Top, 9mΩ Bottom
  • Integrated 1.2Ω Bypass Switch
  • COT Ripple-Based Control to Achieve Fast Transient Responses
  • 450µs Soft-Start Inrush Current Limit
  • Pseudoconstant Frequency: 600kHz
  • Adjustable Output Voltage
  • ±1% 0.6V Internal Reference Voltage
  • ±1A Source/Sink Current Capability