Datasheet Details
| Part number | RT8228B |
|---|---|
| Manufacturer | Richtek |
| File Size | 259.03 KB |
| Description | Single Synchronous Buck PWM Controller |
| Datasheet |
 RT8228B Datasheet
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General Description
The RT8228B 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.
Key Features
- z Built in 1% 0.5V Reference Voltage z Adjustable 0.5V to 3.3V Output Range z Support Pure MLCC Output Capacitor z Quick Load Step Response within 100ns z 4700ppm/°C Programmable Current Limit by Low Side RDS(ON) Sensing z 4.5V to 26V Battery Input Range z Resistor Programmable Frequency z Internal Ramp Current Limit Soft-Start Control z Drives Large Synchronous Rectifier FETs z Integrated Boost Switch z Over/Under Voltage Protection z Thermal Shutdown z Power Good Indicator z RoHS Compliant and.