Overview
The LM2672MX-ADJ is a highly efficient, adjustable step-down switching regulator designed to simplify power supply design. It converts higher input voltages (8V to 40V) to lower, adjustable output voltages (1.23V to 37V) with minimal external components. This regulator is widely used in industrial, automotive, and consumer electronics due to its robust performance and ease of integration. The LM2672MX-ADJ integrates a high-side N-channel MOSFET, enabling high efficiency and reducing the need for external components. Its frequency compensation is built-in, further simplifying the design process. The device also features thermal shutdown and current limit protection, enhancing reliability in demanding applications.
Structure and Working Principle
The LM2672MX-ADJ operates on a buck converter topology, which efficiently steps down the input voltage to the desired output level. It uses pulse-width modulation (PWM) to regulate the output voltage, adjusting the duty cycle based on feedback from the output. This ensures stable and precise voltage regulation under varying load conditions. The internal structure includes a reference voltage source, error amplifier, oscillator, and power switch. The adjustable output is set using an external resistor divider network, allowing flexibility in design. The device's internal compensation network minimizes external component count, making it suitable for compact applications.
Key Features
The LM2672MX-ADJ offers several key features that make it a preferred choice for power supply designs. Its high efficiency (up to 95%) reduces power loss and heat generation, making it suitable for energy-sensitive applications. The wide input voltage range (8V to 40V) accommodates various power sources, including batteries and industrial power supplies. The adjustable output voltage (1.23V to 37V) provides versatility for different applications. The built-in thermal shutdown and current limit protection enhance reliability, preventing damage from overheating or excessive current. Additionally, the device's minimal external component requirement simplifies PCB layout and reduces overall system cost.
Application Areas
The LM2672MX-ADJ is widely used in industrial, automotive, and consumer electronics. In industrial applications, it powers control systems, sensors, and actuators, ensuring stable voltage supply in harsh environments. Automotive applications include infotainment systems, lighting, and engine control units, where reliable power regulation is critical. Consumer electronics, such as laptops, tablets, and portable devices, benefit from the regulator's high efficiency and compact design. It is also used in telecommunications equipment, medical devices, and renewable energy systems, where precise voltage regulation is essential for optimal performance.
Maintenance and Precautions
Proper maintenance and precautions are essential to ensure the longevity and performance of the LM2672MX-ADJ. Adequate heat dissipation is critical, especially in high-current applications. Use thermal vias, heat sinks, or forced airflow to manage heat effectively. Avoid exceeding the maximum input voltage (40V) to prevent device failure. Follow recommended PCB layout guidelines to minimize noise and ensure stable operation. Place input and output capacitors close to the device to reduce parasitic inductance. Regularly inspect the device for signs of overheating or physical damage, and replace it if necessary to maintain system reliability.
B2B Procurement Guide
When procuring the LM2672MX-ADJ in bulk, consider factors such as supplier reliability, lead time, and pricing. Verify the supplier's certifications and quality control processes to ensure genuine components. Request samples for testing before placing large orders to confirm performance and compatibility with your application. Negotiate pricing based on order volume, as bulk purchases often qualify for discounts. Ensure the supplier provides adequate technical support and documentation, including datasheets and application notes. Consider long-term supply agreements to secure stable pricing and availability, especially for high-volume production.
Related Manufacturers
- 主营：ne3503m04、ne3512s02、sp0503bah、iso1044bd、lt8410edc、保险丝、比较器、b02p-vl-r、ase5s4010、触发器、解码器、thvd1500d、thvd1451d、sy8032abc、hip2100ib、opa4172id、连接器、mx1a-11nw、lshd-7501、ths4531id、二极管、hsmm-c170、tps22914b、lf353dre4、装原封
- 主营：单片机、RENESAS瑞萨、TI德州仪器、ADI亚德诺、国产芯片替代、XILINX/赛灵思、可编程逻辑器件、电源芯片、接口芯片、DSP数字信号处理器、时钟芯片、中科芯、阿尔特拉、存储芯片、以太网控制芯片、射频芯片、恩智浦、ST意法、中微爱芯、转换芯片、芯科、三星存储
- 主营：集成电路IC、MOS管、二三极管、功放IC、驱动IC、电解电容、电源芯片、继电器、单片机、光耦、三端稳压、可控硅、锂电池充电芯片、USB、数码管
- 主营：晶闸管、mic5158ym、max515esa、rt9183hps、ds2401p+t、nx7102ide、pca9542ad、ds1721u+t、芯讯通、aic431cun、gs8332-mr、cat660eva、g5728to1u、gs8094-sr、adr434arm、isl8485ib、rtl8305nb、ds2460s+t、ds9034pc+、ds1832s+t、保险丝、比较器、mcp6022-i、sp3082een、存储器
- 主营：sy8133fcc、syn470ric、sy8083fcc、lm321h-tr、sy8823quc、ea3056qdr、cos2262sr、封装bga、syt020abc、aip1638ic、fd6288tic、sy8153fcc、ip101a-lf、syn531ric、m23636-15、转换器、sy8035dbc、cos4428sr、tle4279g?、比较器、sy8163fcc、sy7066qmc、syn480ric、bm8563esa、ps2701a-1
- 主营：集成IC、IC芯片、电子元器件、二三极管
- 主营：驱动器、模拟开关、微控制器、参考电压、电池管理、视频开关ic、仪表放大器、音频放大器、开关稳压器、数字隔离器、精密放大器、运算放大器、点火控制器、开关控制器、可编程门阵列、接口集成电路、电容电阻
- 主营：ad574ajnz、74hc4051d、欧姆龙、jq1-12v-f、opa3690id、tq2-l2-5v、cbb电容、100nf104k、扁平线、无锁自、丝印l8r、3266x-101、pcm1742ke、sn74hc00d、tlc27l1id、sn75176bp、射频座、led灯珠、nce01p03s、tq2-l-12v、贴片sop、蜂鸣器、存储器、csd87381p、cd40161be
- 主营：电源芯片、ltc4063edd#trpbf、pbffet输入运放
- 主营：单片机
- 主营：idb30e120、d2450n02t、ice3a1565、d1050n18t、bts3080tf、tlf4277el、tle9273qx、dz600n12k、dd231n26k、1edb9275f、d1230n14t、dz950n36k、bts3035tf、tle9262qx、dd435n40k、iso1i811t、d2601n90t、bsc0702ls、dz540n22k、ika10n60t、tle7258le、tle4279gm、d4201n22t、d2450n04t、dd260n16k
- 主营：车载芯片、集成电路、电源管理芯片、运算放大器、数模转换器、功率放大器、电压基准IC、以太网收发器
- 主营：tlv61046a、cc1120rhb、opa828idr、lm5161pwp、lm3481mmx、lmh0387sl、lm5085myx、lm5117psq、vnh7040ay、ld1117s33、iso1412dw、iso1044bd、dp83620sq、iso5451dw、vnq5050ak、iso7021dr、dp83630sq、m41t00sm6、afe4300pn、tps7a1650、ds90lv047、触发器、ds90lv048、tps560430、解码器
- 主营：放大器、LDO、肖特基二极管、存储器、传感器、单片机、16位微控制器、栅级和逆变器芯片、时钟缓冲器、音频放大器、DSP数字信号处理器、电机驱动器、稳压器、电源控制器、监视器、通用逻辑门芯片、整流器、信号开关、复用器、解码器、闪存存储芯片、4路通用芯片、线性稳压器、电源模块、继电器
- 主营：集成电路、芯片、IC、二极管、三极管、电子元器件