RT8206B
Description
The RT8206A/B dual step-down, Switch Mode Power Supply (SMPS) controller generates logic supply voltages in battery powered systems.
Key Features
- z Wide Input Voltage Range 6V to 25V
- Dual Fixed 5V/3.3V Outputs or Adjustable from 2V to 5.5V, 1.5% Accuracy
- Secondary Feedback Input Maintains Charge Pump Voltage (RT8206A)
- Independent Enable and Power Good z 5V Fixed LDO Output : 70mA z 2V Reference Voltage ±1% : 50μA
- Constant ON-Time Control with 100ns Load Step Response
- Frequency Selectable via TON Setting
- RDS(ON) Current Sensing and Programmable Current Limit
- Selectable PWM, DEM or Ultrasonic Mode
- Internal Soft-Start with 5 Steps Current Limiting and Soft-Discharge
- High Efficiency Up to 97% z 5mW Quiescent Power Dissipation
Representative RT8206B image (package may vary by manufacturer)