MP1584 DC to DC Adjustable Step-Down Buck Module

Key Features

• Wide input voltage range: 4.5 V to 28 V

• High efficiency: up to 92%

• Programmable switching frequency: 100 kHz to 1.5 MHz

• High-efficiency pulse-skipping mode (optimized for ceramic capacitors)

• Internally set current limit — no external current sense resistor required

• Cycle-by-cycle overcurrent protection

• Input under voltage lockout (UVLO)

Specifications

• Input Voltage: 4.5 V – 28 V DC

• Output Voltage: 0.8 V – 18 V DC (adjustable)

• Continuous Output Current: Up to 3 A

• Peak Output Current: Up to 4 A

• Maximum Efficiency: 92%

• Output Ripple: < 30 mV

• Switching Frequency: 100 kHz – 1.5 MHz

• Operating Temperature Range: –40°C to +85°C