Overview
The LM22676MRE-ADJ/NOPB is a highly efficient step-down switching regulator IC designed by Texas Instruments. This component is part of the SIMPLE SWITCHER® series and is known for its wide input voltage range, adjustable output voltage, and high current capability. It is suitable for various applications requiring stable and efficient voltage regulation, such as power supplies, battery chargers, and LED drivers. The regulator operates with an input voltage range of 4.5V to 42V and can deliver an adjustable output voltage from 1.258V to 37V, with a maximum output current of 3A.
Key Specifications
| Specification | Value |
|---|---|
| Brand | Texas Instruments |
| Maximum Output Current | 3A |
| Regulator Function | Buck Controller |
| Minimum Output Voltage | 1.258 V |
| Minimum Input Voltage | 4.5 V |
| Maximum Input Voltage | 42 V |
| Output Type | Adjustable |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Maximum Switching Frequency | 600 kHz |
| Pin Count | 8 |
| Package Type | PSOP (or HSOIC-8) |
| Switching Regulator | Yes |
| Minimum Operating Temperature | -40 °C |
| Maximum Operating Temperature | +125 °C |
| Dimensions | 4.93 x 3.94 x 1.47mm |
| Efficiency | 90% |
Key Features
- Adjustable output voltage regulator with a range of 1.258V to 37V
- Wide input voltage range: 4.5V to 42V
- Maximum output current: 3A
- Internally compensated voltage mode control for small BOM count
- Stable with low ESR ceramic capacitors
- Switching frequency adjustable between 200kHz and 1MHz (typical 500kHz)
- Precision enable pin
- Integrated boot diode and soft-start function
- Thermal shutdown and current limit protection
- Low dropout voltage of 0.6V at 3A output current
- Fully WEBENCH® Design enabled
Applications
The LM22676MRE-ADJ/NOPB is commonly used in various applications, including:
- Industrial power supplies
- Battery chargers
- Automotive applications
- LED drivers
- Portable and battery-powered devices requiring efficient and reliable voltage regulation
Q & A
- What is the input voltage range of the LM22676MRE-ADJ/NOPB?
The input voltage range is from 4.5V to 42V.
- What is the maximum output current of the LM22676MRE-ADJ/NOPB?
The maximum output current is 3A.
- What is the typical switching frequency of the LM22676MRE-ADJ/NOPB?
The typical switching frequency is 500kHz, but it is adjustable between 200kHz and 1MHz.
- What are the key features of the LM22676MRE-ADJ/NOPB?
Key features include adjustable output voltage, wide input voltage range, precision enable pin, integrated boot diode, and soft-start function.
- What is the operating temperature range of the LM22676MRE-ADJ/NOPB?
The operating temperature range is from -40°C to +125°C.
- What type of package does the LM22676MRE-ADJ/NOPB come in?
The package type is PSOP (or HSOIC-8).
- Is the LM22676MRE-ADJ/NOPB RoHS compliant?
Yes, the LM22676MRE-ADJ/NOPB is RoHS compliant.
- What are some common applications of the LM22676MRE-ADJ/NOPB?
Common applications include industrial power supplies, battery chargers, automotive applications, and LED drivers.
- Does the LM22676MRE-ADJ/NOPB have thermal shutdown protection?
Yes, it has internal thermal shutdown and current limit protection.
- Is the LM22676MRE-ADJ/NOPB suitable for portable devices?
Yes, it is suitable for portable and battery-powered devices due to its high efficiency and low dropout voltage.
