• Part: RT8237L
  • Description: High Efficiency Single Synchronous Buck PWM Controller
  • Manufacturer: Richtek
  • Size: 732.16 KB
RT8237L Datasheet (PDF) Download
Richtek
RT8237L

Description

The RT8237L PWM controller provides high efficiency, excellent transient response, and high DC output accuracy needed for stepping down high-voltage batteries to generate low-voltage CPU core, I/O, and chipset RAM supplies in notebook puters.

Key Features

  • Wide Input Voltage Range: 4.5V to 26V
  • Output Voltage Range: 0.7V to 3.3V
  • Built-In 0.5% 0.7V Reference Voltage
  • Quick Load-Step Response within 100ns
  • 4700ppm/C Current Source for Current Limit
  • Adjustable Current Limit with Low-Side MOSFET
  • 4 Selectable Frequency Settings
  • Soft-Start Control
  • Drives Large Synchronous-Rectifier MOSFETs
  • Integrated Boot Switch

Applications

  • Notebook puters