Overview
The LM22676MR-5.0/NOPB is a high-efficiency step-down (buck) voltage regulator designed by Texas Instruments. This device is part of the SIMPLE SWITCHER® family and is known for its ease of use and minimal requirement for external components. It provides a fixed 5.0V output voltage and can handle input voltages ranging from 4.5V to 42V, making it versatile for various applications. The regulator features a switching frequency of 500kHz, which allows for small external components and good transient response. It also includes integrated features such as thermal shutdown, current limit protection, and a precision enable pin, enhancing its reliability and ease of integration into different systems.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Topology | Buck (Step Down) |
| Input Voltage Min | 4.5V |
| Input Voltage Max | 42V |
| Output Voltage | 5.0V (Fixed) |
| Maximum Output Current | 3A |
| Switching Frequency | 500kHz |
| Operating Temperature Range | -40°C to 125°C |
| Package Type | SO PowerPAD (PSOP8) |
| No. of Pins | 8 |
| Dimensions | 4.9mm x 3.9mm x 1.47mm |
Key Features
- Wide input voltage range: 4.5V to 42V
- Internally compensated voltage mode control for a small BOM count
- Stable with low ESR ceramic capacitors
- Switching frequency of 500kHz, adjustable between 200kHz and 1MHz
- Precision enable pin for simplified regulator control and system power sequencing
- Integrated boot diode and soft-start (500 µs, typical)
- Thermal shutdown and current limit protection for overload protection
- Fully WEBENCH® Design enabled for easy design and simulation
Applications
- Power Supply for Microcontrollers
- Embedded Systems
- Industrial Automation
- Communication Equipment
- Consumer Electronics
- Battery-Powered Devices
- Automotive Applications
- FPGA and CPLD Circuits
- Test and Measurement Equipment
- Networking Hardware
The LM22676MR-5.0/NOPB is suitable for a wide range of applications that require a reliable and efficient 5V power supply.
Q & A
- What is the input voltage range of the LM22676MR-5.0/NOPB?
The input voltage range is from 4.5V to 42V.
- What is the fixed output voltage of the LM22676MR-5.0/NOPB?
The fixed output voltage is 5.0V.
- What is the maximum output current of the LM22676MR-5.0/NOPB?
The maximum output current is 3A.
- What is the switching frequency of the LM22676MR-5.0/NOPB?
The switching frequency is 500kHz, adjustable between 200kHz and 1MHz.
- What are the key integrated features of the LM22676MR-5.0/NOPB?
The key integrated features include thermal shutdown, current limit protection, precision enable pin, integrated boot diode, and soft-start.
- What is the operating temperature range of the LM22676MR-5.0/NOPB?
The operating temperature range is from -40°C to 125°C.
- What package type is the LM22676MR-5.0/NOPB available in?
The package type is SO PowerPAD (PSOP8) with 8 pins.
- Is the LM22676MR-5.0/NOPB RoHS compliant?
Yes, the LM22676MR-5.0/NOPB is RoHS compliant.
- What design tools are available for the LM22676MR-5.0/NOPB?
The device is fully WEBENCH® Design enabled, allowing for easy design, electrical simulation, thermal simulation, and Build-It boards.
- What are some common applications of the LM22676MR-5.0/NOPB?
Common applications include power supplies for microcontrollers, embedded systems, industrial automation, communication equipment, consumer electronics, battery-powered devices, automotive applications, FPGA and CPLD circuits, test and measurement equipment, and networking hardware.
