SL2284Q  40V Wide Input Range Step-Down Synchronous DC/DC Converter

GENERAL DESCRIPTION

SL2284Q is a wide input voltage, high efficiency active CC step-down DC/DC converter that operates in either CV (Constant Output Voltage) mode or CC (Constant Output Current) mode. SL2284Q provides up to total 3.5A output current limit at 5V output with floating ISET pin. Switching frequency can be set by external resistor. Maximum 100% duty cycle could be obtained. SL2284Q internal integrate 45mΩ high side and 25mΩ low side power MOSFET.

Advanced production features include UVLO, Thermal Shutdown, Soft Start and input OVP.

FEATURES

⚫ P-MOS+N-MOS Switch Structure

⚫ Wide Input Voltage: 4.5V to 40V

⚫ Up to 3.5A Output Current Limit at 5V Output

⚫ Constant Output Power for QC3.0

⚫ High Efficiency up to 93%@24V to 5V/3A

⚫ PFM Operation in Light Load Condition

⚫ 120kHz to 440kHz Adjustable Frequency

⚫ Internal Compensation

⚫ Output Line Drop Compensation

⚫ Hiccup Output Short Current Protection

⚫ ±2% Feedback Voltage Accuracy

⚫ Integrated Soft Start

⚫ Thermal Shutdown

⚫ Duty Cycle up to 100%

⚫ Frequency Jitter for EMI Consideration

⚫ Low BOM Cost

⚫ SOP8 Package

APPLICATIONS

⚫ Car Charger/ Adaptor

⚫ Rechargeable Portable Devices

⚫ General-Purpose CC/CV Power Suppliers

TYPICAL APPILCATION

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