LM22675MR-5.0

The LM22675MR-5.0 is a 5.0V, 3A step-down (buck) switching regulator from Texas Instruments. It features high efficiency (up to 91%), a wide input range (4.5V to 42V), and fixed-frequency PWM operation (500 kHz) for stable output.
Key benefits include:
- Integrated MOSFET for compact designs.
- Thermal shutdown & current limiting for protection.
- Low standby current (~1 mA) for power-sensitive applications.
Ideal for industrial, automotive, and telecom systems requiring efficient voltage conversion. The TO-263-7 package aids heat dissipation.
For details, refer to the datasheet or TI’s product page.

Equivalent products to the LM22675MR-5.0 (5V, 3A step-down regulator) include:
- LM2675-5.0 (Similar specs, older model)
- TPS5430 (5V, 3A, adjustable)
- LT1370 (5V, 3A, high efficiency)
- AP63357 (5V, 3A, compact design)
- MP2307 (Adjustable, 3A, cost-effective)
Check datasheets for exact pin compatibility and performance details.

The LM22675MR-5.0 is a 5.0V output step-down (buck) switching regulator in an 8-pin SOIC package.
Pin Functions (Key Pins):
1. VIN – Input voltage (4.5V to 42V).
2. GND – Ground.
3. SW – Switch node (connects to inductor).
4. FB – Feedback (adjusts output voltage).
5. EN – Enable (logic high to activate).
6. BOOT – Bootstrap capacitor connection.
7. NC – No connection (pins 7 & 8).
It delivers up to 3A with high efficiency and includes features like thermal shutdown and soft-start.

The LM22675MR-5.0 comes in a TO-263-7 (DDPAK-7) package, also known as PowerSOIC-7. This surface-mount package is designed for high-power applications, offering efficient thermal performance and a compact footprint. It includes an exposed pad for enhanced heat dissipation, making it suitable for switching regulator designs.