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Texas Instruments Buck Converter 3.3V 500mA Surface Mount 8-Pin PSOP LM22674MR-ADJ/NOPB
Specifications
| Country of Origin | India |
|---|---|
| Brand | Texas Instruments |
| Efficiency | 90% |
| Length | 4.93mm |
| Model | LM22674MR-ADJ/NOPB |
| Depth | 1.7mm |
| Width | 3.94mm |
| Mount Type | Surface |
| Series | LM22674 |
| Output Current | 500mA |
| Maximum Operating Temperature | 125°C |
| Package Type | PSOP |
| Minimum Operating Temperature | -40°C |
| Number of outputs | 1 |
| Ripple and Noise | 30% |
| Maximum Input Voltage | 42V |
| Standards/Approvals | JEDEC, RoHS |
| Minimum Input Voltage | 4.5V |
| Number of Pins | 8 |
| Output Voltage 1 | 3.3V |
| Output Voltage 2 | 5V |
| Wide Input Voltage Range | 4.5V to 42V |
Key Features
- Operates from a wide input voltage range of 4.5V to 42V.
- High efficiency power conversion reaching 90% efficiency.
- Surface mount package PSOP with compact dimensions 4.93mm length x 3.94mm width x 1.7mm depth.
- Features 8 pins and integrated boot diode with soft-start function.
- Designed for use with low ESR ceramic capacitors for stable operation.
- Switching frequency set at 500 kHz adjustable between 200 kHz and 1 MHz.
- Supports operating temperature range from -40°C to 125°C.
- Compliant with JEDEC and RoHS standards.
Product Description
Texas Instruments LM22674MR-ADJ/NOPB is a SIMPLE SWITCHER® step-down buck converter designed for surface mounting. Delivering a regulated 3.3V output voltage at 500 mA output current, it supports a wide input voltage range from 4.5V to 42V, making it ideal for diverse power supply requirements in electronics and industrial equipment.
This module incorporates an internally compensated voltage mode control to minimize the bill of materials count while achieving stable operation with low ESR ceramic capacitors. Its switching frequency is nominally 500 kHz, adjustable between 200 kHz and 1 MHz, allowing designers to optimize for efficiency and transient response.
The compact PSOP package measures 4.93 mm in length, 3.94 mm in width, and 1.7 mm in depth, with an 8-pin configuration, making it well suited for space-constrained PCB layouts. Additional features include an integrated boot diode and a soft-start function to reduce inrush current during startup. The device maintains high efficiency of approximately 90%, while ripple and noise are managed to 30% ensuring clean output voltage regulation.
This buck converter supports a wide industrial temperature range from -40°C to 125°C and meets JEDEC and RoHS standards, underscoring its robustness and environmental compliance. The LM22674MR-ADJ/NOPB is fully WEBENCH® design enabled, facilitating custom power supply design and analysis via Texas Instruments' online tools.
Applications include regulated power supply rails for microcontrollers, sensors, communication devices, and other electronics requiring a stable 3.3V power source from higher DC voltages up to 42V.
Operates from 4.5V to 42V wide input voltage range. Stable output at 3.3V, with 500 mA capacity. Compact PSOP surface mount package, 8 pins. Switching frequency 500 kHz adjustable from 200 kHz to 1 MHz. Includes soft-start and integrated boot diode for reduced startup stress.
Wide operating temperature range of -40°C to 125°C. Compliant with JEDEC and RoHS standards. High efficiency of 90% reduces power loss. Designed for industrial, laboratory, and electronic instrumentation power regulation.
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Frequently Asked Questions
It operates from a wide input voltage range of 4.5V to 42V.
This model delivers a regulated output voltage of 3.3V with a maximum output current of 500mA.
The compact PSOP package measures 4.93mm in length, 3.94mm in width, and 1.7mm in depth.
It achieves high efficiency power conversion, reaching approximately 90%.
The switching frequency is nominally set at 500 kHz and can be adjusted between 200 kHz and 1 MHz.
It supports an operating temperature range from -40°C to 125°C.
This converter is designed for use with low ESR ceramic capacitors for stable operation.
It features an 8-pin configuration.
It is compliant with JEDEC and RoHS standards.
Yes, it includes an integrated boot diode and a soft-start function to reduce inrush current during startup.
It is suitable for regulated power supply rails for microcontrollers, sensors, communication devices, and other electronics requiring a stable 3.3V power source.
The country of origin for this product is India.
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