Part Name
RT6542A
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PDF
page
15 Pages
File Size
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MFG CO.
Richtek Technology
RT6542A Datasheet - Richtek Technology
Richtek Technology
General Description
The RT6542A 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.
The RT6542A supports on chip voltage programming function between 0.85V and 1.05V by controlling GX digital inputs.
Features
• Intel Cannon VR Support
• Built-in 1% Reference Voltage
• 2-Bit Programmable Output Voltage with Integrated
Transition Support
• Support Intel LPM (Low-Power Mode) Feature
• 4700ppm/°C Programmable Current Limit by LowSide RDS(ON) Sensing
• 3V to 26V Battery Input Range
• Internal Voltage Ramp Soft-Start Control
• Drives Large Synchronous Rectifier FETs
• Integrated Boost Switch
• Over/Under-Voltage Protection
• Thermal Shutdown
• Power Good Indicator
• RoHS Compliant and Halogen Free
• Tiny 14-Lead WDFN Package
Applications
• Notebook Computers
• CPU/GPU Core Supply
• Chipset/RAM Supply
• Generic DC-DC Power Regulator
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