L4978 Step-Down Monolithic Power Switching Regulator
Efficient and versatile power regulator with up to 2A output and wide voltage range
- Output Current: 2A
- Input Voltage: 8V to 55V
- Output Voltage Range: 3.3V to 50V
- Switching Frequency: Up to 300KHz
- Package Options: Plastic DIP8 and SO16W
Top Features:
- 2A Step-Down Converter
- Input Voltage: 8V to 55V
- Adjustable Output Voltage: 3.3V to 50V
- 300KHz Switching Frequency
The L4978 is a BCD mixed technology power switching regulator with a versatile range of applications. It features a precise internal reference voltage of 3.3V and adjustable output voltages up to 50V, making it suitable for various power needs. The device incorporates pulse-by-pulse current limit, hiccup mode for short circuit protection, and voltage feedforward regulation for enhanced performance.
With a high switching speed enabled by an internal power D-MOS transistor, the L4978 offers efficient power conversion while maintaining a typical Rdson of 0.25?. The device also includes essential protection mechanisms such as thermal shutdown and feedback loop disconnection safeguard. Its soft-start function ensures a smooth power-up sequence, while the inhibit feature allows for zero current consumption when needed.
Ideal for modern applications, the L4978 supports a switching frequency of up to 300KHz, optimizing power delivery in diverse scenarios. Whether in a plastic dual in-line or surface-mount package, this DCDC converter brings reliability and performance to your designs.
*Images are for illustration only; actual product may vary.*