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Texas Instruments 5-Channel Step Down DC/DC Converter Fixed 5V 500mA 8-Pin PSOP LM22674MR-5.0/NOPB
Specifications
| Country of Origin | India |
|---|---|
| Brand | Texas Instruments |
| Height | 1.47mm |
| Length | 4.9mm |
| Model | LM22674MR-5.0/NOPB |
| Width | 3.9mm |
| Mount Type | Surface |
| Output type | Fixed |
| Series | LM22674 |
| Topology | Step Down |
| Maximum Operating Temperature | 125°C |
| Package Type | PSOP |
| Minimum Operating Temperature | -40°C |
| Number of outputs | 5 |
| Maximum Input Voltage | 42V |
| Maximum Switching Frequency | 0.5MHz |
| Maximum Output Current | 500mA |
| Maximum Output Voltage | 5V |
| Minimum Input Voltage | 4.5V |
| Pin Count | 8 |
| Wide Input Voltage Range | 4.5V to 42V |
Key Features
- Operates with a wide input voltage range from 4.5V to 42V ensuring versatility in various applications.
- Step down topology ensures efficient voltage regulation and energy savings.
- Internally compensated voltage mode control reduces the bill of materials and simplifies design.
- Switching frequency is fixed at 500kHz and can be adjusted between 200kHz and 1MHz for flexible performance tuning.
- Stable operation with low ESR ceramic capacitors provides improved reliability and noise reduction.
- Equipped with features like integrated boot diode and soft-start for smooth startup and operation.
- Designed to operate in extreme temperature ranges from -40°C to 125°C, suitable for industrial environments.
- Comes fully WEBENCH® Design enabled for easy design and prototyping.
Product Description
Texas Instruments LM22674MR-5.0/NOPB is a 5-channel step down DC/DC converter delivering a fixed 5V output voltage at a maximum current of 500mA per channel. This device is housed in a surface mount 8-pin PSOP package measuring 4.9mm by 3.9mm by 1.47mm height, making it ideal for compact electronic designs.
It operates over a wide input voltage range from 4.5V up to 42V, offering broad compatibility for various power supply designs. The step down topology combined with internally compensated voltage mode control ensures efficient power conversion with minimal external components, reducing the overall system bill of materials.
The device features a fixed switching frequency of 500kHz with the ability to be adjusted between 200kHz and 1MHz to accommodate different EMI and efficiency requirements. It supports stable operation with low equivalent series resistance ceramic capacitors, helping maintain signal integrity and reducing output voltage ripple.
Additional incorporated elements include an enable pin for precise control, an integrated boot diode for high-side MOSFET driving, and a soft-start mechanism that protects circuits from inrush currents during power-up. These features together improve device reliability and ease of use in complex power management systems.
Designed for durability, this converter operates reliably within an industrial temperature range of -40°C to 125°C. It comes fully WEBENCH® Design enabled to facilitate rapid development and system integration, supporting designers with software tools for simulation and optimization.
Wide input voltage range of 4.5V to 42V. Step down DC/DC converter topology for efficient voltage regulation. Fixed switching frequency at 500kHz, adjustable between 200kHz and 1MHz. Stable with low ESR ceramic capacitors.
Integration of boot diode and soft-start for enhanced performance and protection. Compact 8-pin PSOP surface mount package. Operational temperature from -40°C to 125°C suitable for industrial use. Fully supported by WEBENCH® design tools.
This Texas Instruments 5-Channel DC/DC Converter is widely applicable in industrial electronics, power management ICs, and embedded system power supplies. It supports efficient and stable power conversion in demanding environments including automotive, manufacturing, and consumer electronics sectors. Explore more power management ICs in the Electronics & Electricals category at EnvMart to find solutions tailored to your specific voltage and current requirements.
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Frequently Asked Questions
This model delivers a fixed output voltage of 5V with a maximum output current of 500mA per channel.
It operates over a wide input voltage range from 4.5V to 42V, making it versatile for various applications.
The converter has a fixed switching frequency of 500kHz, which can be adjusted between 200kHz and 1MHz for performance tuning.
This model is housed in an 8-pin PSOP package with dimensions of 4.9mm in length, 3.9mm in width, and 1.47mm in height.
It is designed to operate reliably in extreme temperature ranges from -40°C to 125°C, suitable for industrial environments.
The device uses internally compensated voltage mode control, which simplifies design and reduces the bill of materials.
It includes an integrated boot diode for high-side MOSFET driving and a soft-start mechanism to minimize inrush currents during startup.
This converter features five outputs, allowing for multiple power supply configurations.
It supports stable operation with low equivalent series resistance (ESR) ceramic capacitors, which help reduce output voltage ripple.
Yes, it is applicable in various sectors including automotive, manufacturing, and consumer electronics due to its efficient power conversion capabilities.
It comes fully WEBENCH® Design enabled, providing software tools for simulation and optimization to aid in rapid development and system integration.
This model is packaged in a surface mount PSOP type, which is suitable for compact electronic designs.
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