• Part: RT6246B
  • Description: Synchronous Step-Down Converter
  • Manufacturer: Richtek
  • Size: 276.41 KB
RT6246B Datasheet (PDF) Download
Richtek
RT6246B

Description

The RT6246B is a simple, easy-to-use, 6A synchronous step-down DC-DC converter with an input supply voltage range of 4.5V to 18V. The device build-in an accurate 0.6V reference voltage and integrates low RDS(ON) power MOSFETs to achieve high efficiency in a UQFN-12HL 3x3 package.

Key Features

  • 6A Converter With Built-In 30mΩ/15mΩ Low RDS(ON) Power FETs
  • Input Supply Voltage Range : 4.5V to 18V
  • Output Voltage Range : 0.6V to 6V
  • Advanced Constant On-Time (ACOT®) Control  Ultrafast Transient Response  No Needs for External Compensations  Optimized for Low-ESR Ceramic Output Capacitors
  • 0.6V ±1% High-Accuracy Feedback Reference Voltage
  • Fixed Switching Frequency : 500kHz
  • Built-In Internally Fixed Soft-Start (Typ. 0.4ms)
  • Input Under-Voltage Lockout (UVLO)
  • Output Under-Voltage Protection (UVP) with Hiccup Mode
  • Output Over-Voltage Protection (OVP) with AutoRecovery Mode