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RT8209A
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제조사
Richtek Technology
RT8209A 데이터시트 - Richtek Technology
Richtek Technology
General Description
The RT8209A/B/C 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
• Ultra-High Efficiency
• Resistor Programmable Current Limit by Low Side
RDS(ON) Sense (Lossless Limit)
• Quick Load Step Response within 100ns
• 1% VFB Accuracy over Line and Load
• 4.5V to 26V Battery Input Range
• Resistor Programmable Frequency
• Integrated Bootstrap Switch
• Integrated Negative Current Limiter
• Over/Under Voltage Protection
• 4 Steps Current Limit During Soft-Start
• Power Good Indicator
• RoHS Compliant and Halogen Free
Applications
• Notebook Computers
• System Power Supplies
• I/O Supplies
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