RT8259GE

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1. Description

The RT8259GE is a high voltage buck converter that can support the input voltage range from 4.5V to 24V and the output current can be up to 1.2A. Current Mode operation provides fast transient response and eases loop stabilization. The chip also provides protection functions such as cycleby-cycle current limiting and thermal shutdown protection. The RT8259 is available in a SOT-23-6 and TSOT-23-6 packages.

2. Features

    1. Wide Operating Input Voltage Range : 4.5V to 24V

    2. Adjustable Output Voltage Range : 0.8V to 15V

    3. 1.2A Output Current

    4. 0.3Ω Internal Power MOSFET Switch

    5. High Efficiency up to 92%

    6. 1.4MHz Fixed Switching Frequency

    7. Stable with Low ESR Output Ceramic Capacitors

    8. Thermal Shutdown

    9. Cycle-By-Cycle Over Current Protection

  10. RoHS Compliant and Halogen Free

3. Applications

    1. Distributed Power Systems

    2. Battery Charger

    3. Pre-Regulator for Linear Regulators

    4. WLED Drivers

4. Pin Configurations

5. Package overview