MP1584EN DC - DC 3A Converter regulator

The MP1584EN is a high-efficiency, step-down DC-DC switching regulator IC capable of providing up to 3 A of output current. It is commonly used in applications requiring efficient voltage conversion from a higher input voltage down to a lower output voltage.

Key Specifications for MP1584EN

General Specifications

1. Type: Buck (Step-Down) Switching Regulator
2. Package: SOT-23-6

Electrical Characteristics

1. Input Voltage Range (V_IN): 4.5 V to 28 V
2. Output Voltage (V_OUT): Adjustable from 0.8 V up to VINV_{IN}VIN​
3. Output Current (I_OUT): Up to 3 A
4. Switching Frequency (f_SW): 1.5 MHz (fixed)
5. Efficiency: Up to 92% (depending on input and output conditions)
6. Quiescent Current (I_Q): Typically 0.5 mA
7. Standby Current (I_STDBY): 0.1 µA (when EN pin is pulled low)

Protection Features

1. Over-Current Protection (OCP): Automatically limits current to prevent damage
2. Thermal Shutdown (TSD): Shuts down the IC if it overheats
3. Under-Voltage Lockout (UVLO): Prevents operation if the input voltage is too low
4. Over-Voltage Protection (OVP): Protects against excessive input voltage

Thermal Characteristics

1. Operating Temperature Range (T_OP): -40°C to +85°C
2. Storage Temperature Range (T_STG): -65°C to +150°C
3. Thermal Resistance: θJA ~ 60°C/W

Typical Applications

1. Step-down conversion in battery-powered devices
2. Distributed power systems
3. LCD monitors and TVs
4. Automotive electronics
5. Portable devices and small form-factor power supplies

The MP1584EN is known for its compact design and high efficiency, making it ideal for applications where space and power efficiency are critical. It is often found in modules or breakout boards for easy integration into various electronic projects.