FAN21SV04EMPX

FAIRCHILD SEMICONDUCTOR  FAN21SV04EMPX  直流-直流开关降压逐步递减稳压器, 可调, 3V-24V输入, 800mV-19.2V输出, 4A输出, MLP-25

The is an integrated synchronous Buck Regulator contains both synchronous MOSFETs and a controller/driver with optimized interconnects, which enables designers to solve high-current requirements in a small area with minimal external components. On-board internal 5V regulator enables single-supply operation for input voltages >6.5V. It can be configured to drive multiple slave devices or synchronize to an external system clock. In slave mode, FAN21SV04 may be set up to be free-running in the absence of a master clock signal. External compensation, programmable switching frequency and current-limit features allow for design optimization and flexibility. High-frequency operation allows for all-ceramic solutions. Integration helps minimize critical inductances, making layout simpler and more efficient compared to discrete solutions. Output overvoltage, undervoltage, overcurrent and thermal-shutdown protections help protect the device from damage during fault conditions.

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Fully synchronous operation with integrated Schottky diode on low-side MOSFET boosts efficiency

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Synchronizable to external clock with master/slave provisions

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Power-good signal

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Accepts ceramic capacitors on output

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External compensation for flexible design

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Starts on pre-bias outputs

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Integrated bootstrap diode

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Over 94% peak efficiency

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1% Reference accuracy over temperature