Overview
The LM22675MRX-5.0/NOPB is a high-performance, synchronous step-down (buck) converter designed by Texas Instruments. This component simplifies the implementation of high voltage step-down regulators, featuring a built-in 42 V N-channel MOSFET switch capable of handling up to 1 A of load current. It offers excellent line and load regulation, achieving high efficiency levels exceeding 90%. The regulator supports both fixed 5 V output and adjustable output voltage options, with a switching frequency of 500 kHz for efficient power conversion.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Vin (min) (V) | 4.5 | Vin (max) (V) | 42 |
| Vout (min) (V) | 1.285 | Vout (max) (V) | 37 |
| Iout (max) (A) | 1 | Iq (typ) (mA) | 3.4 |
| Switching frequency (min) (kHz) | 500 | Switching frequency (max) (kHz) | 500 |
| Control mode | Voltage mode | Duty cycle (max) (%) | 90 |
| Operating temperature range (°C) | -40 to 125 | Package | SO-8-EP |
| Special features | Enable, Over Current Protection | Type | Converter |
Key Features
- Advanced Error Detection: The LM22675MRX-5.0/NOPB includes advanced error detection mechanisms to ensure reliable operation.
- Rapid Fault Isolation: This feature allows for quick identification and isolation of faults, enhancing system reliability.
- High-Speed Interoperability: The regulator supports high-speed operations, making it suitable for a variety of applications requiring fast and efficient power conversion.
- Simplified Maintenance: The internal loop compensation and voltage mode control simplify the design and maintenance of the power supply circuit.
Applications
The LM22675MRX-5.0/NOPB is commonly used in various circuits where efficient power conversion and regulation are required. Some typical applications include:
- Power Supply Circuits: For converting higher input voltages to a stable 5V output.
- Industrial Applications: In industrial control systems, automation, and power management.
- Consumer Electronics: In devices such as smartphones, tablets, and other portable electronics.
- Telecommunications: For powering telecommunications equipment and networks.
- Automotive Applications: In automotive systems requiring reliable and efficient power conversion.
- Medical Devices: In medical equipment where precise voltage regulation is critical.
Q & A
- What is the input voltage range of the LM22675MRX-5.0/NOPB?
The input voltage range is from 4.5 V to 42 V.
- What is the maximum output current of the LM22675MRX-5.0/NOPB?
The maximum output current is 1 A.
- What is the switching frequency of the LM22675MRX-5.0/NOPB?
The switching frequency is 500 kHz.
- What is the operating temperature range of the LM22675MRX-5.0/NOPB?
The operating temperature range is from -40°C to 125°C.
- What package type does the LM22675MRX-5.0/NOPB come in?
The package type is SO-8-EP.
- Does the LM22675MRX-5.0/NOPB have overcurrent protection?
Yes, it includes overcurrent protection.
- Is the LM22675MRX-5.0/NOPB RoHS compliant?
Yes, it is RoHS compliant.
- What are some typical applications of the LM22675MRX-5.0/NOPB?
Typical applications include power supply circuits, industrial applications, consumer electronics, telecommunications, automotive applications, and medical devices.
- Can the LM22675MRX-5.0/NOPB be used for adjustable output voltage?
Yes, it supports both fixed 5 V output and adjustable output voltage options.
- What is the efficiency of the LM22675MRX-5.0/NOPB?
The efficiency exceeds 90%.
