SP1N28 - Silicon Content

SP1N28 High Efficiency Synchronous Step-down DCDC Converter

The SP1N28 is 5A synchronous buck converters with wide input voltage, ranging from 3.8V to 36V, which integrates a 45mΩ high-side MOSFET and a 20mΩ low-side MOSFET. The SP1N28, adopting the peak current mode control. The SP1N28 features programmable switching frequency from 100 kHz to 1.1 MHz with an external resistor, which provides the flexibility to optim.

Features

• Wide Input Range: 3.8V-36V
• Up to 5A Continuous Output Current
• 0.8V ±1% Feedback Reference Voltage
• Integrated 45mΩ High-Side and 20mΩ Low-Side Power MOSFETs
• 100ns Minimum On-time
• 4ms Internal Soft-start Time
• Adjustable Frequency 100KHz to 1.1MHz
• External Clock Synchronization
• Force Pulse Width Modulation (FPWM) Mode
• Precision Enable Threshold for Programmable Input Voltage Under-Voltage Lock Out Protection (UVLO) Threshold and Hysteresis
• Low Dropout Mode Operation
• Derivable Inverting Voltage Regulator
• Over-voltage and Over-Temperature Protection
• Available in an ESOP-.