RT9921PQV   Datasheet

Richtek Technology

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Fully Integrated Battery Charger with Two Step-Down Converters

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145mΩ, 1.5A Power Switch with Programmable Current Limit

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Synchronous Buck PWM DC-DC with Enable & PGOOD

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Actively Alternative Mode Two-Phase / Dual Switching PWM Controller

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Boost Converter for OLED Power with Dual LDO

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Linear Single Cell Li-Ion Battery Charger IC for Portable Applications

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100mΩ, 2A Slew Rate Controlled Load Switch

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Dual Channel Synchronous-Rectified Buck MOSFET Driver

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Micro-Power Voltage Detectors