Description
The RT8237C/D 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 computers.
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 Programmable Current Limit by Low
Side RDS(ON) Sensing.
 
- 4 Selectable Frequency Setting.
 
- Soft-Start Control.
 
- Drives Large Synchronous-Rectifier FETs.
 
- Integrated Boot Switch.
 
- Built-In OVP/OCP/UVP.
 
- Thermal Shutdown.
 
- Power Good Indicator.
 
- RoHS Compliant and Halogen Free
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