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Product Overview
The LM2743MTCX/NOPB is a high-performance, synchronous buck regulator controller from Texas Instruments. It is designed to provide a compact and efficient power management solution for a wide range of applications. The device features a voltage-mode PWM control architecture with a 1.5% output voltage accuracy and a programmable switching frequency from 300 kHz to 1 MHz. Housed in a 14-pin TSSOP package, the LM2743 integrates key functions such as soft-start, overcurrent protection, and power-good indication, making it ideal for space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
3 V to 6 V |
| Output Voltage Range |
0.6 V to 5.5 V |
| Output Current |
Up to 20 A (external FETs) |
| Switching Frequency |
300 kHz to 1 MHz |
| Output Voltage Accuracy |
±1.5% |
| Operating Temperature |
-40°C to +125°C |
| Package |
14-TSSOP |
Key Features
- Voltage-mode PWM control with feed-forward compensation
- Programmable soft-start
- Overcurrent protection with hiccup mode
- Power-good output
- Enable input for sequencing
- External synchronization capability
- Low shutdown current (< 1 µA)
Target Applications
- 5G base station power supplies
- Automotive dashboard and infotainment systems
- Industrial control systems
- Networking equipment (routers, switches)
- FPGA and DSP core voltages
- Point-of-load (POL) modules
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM2743MTCX/NOPB. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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BOM Kitting & Sampling Services: Specialized sourcing for
testing samples and urgent shortage components.
Quality Assurance & Compliance
Jasin Chip guarantees that all delivered products are 100% original factory stock
with full quality assurance and traceability.
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be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
LM2743MTCX/NOPB 是德州儀器推出的一款高性能同步降壓穩壓器控制器。它採用電壓模式 PWM 控制架構,輸出電壓精度為 1.5%,開關頻率可在 300 kHz 至 1 MHz 範圍內編程。該器件採用 14 引腳 TSSOP 封裝,集成了軟啟動、過流保護和電源正常指示等功能,非常適合空間受限的設計。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
3 V 至 6 V |
| 輸出電壓範圍 |
0.6 V 至 5.5 V |
| 輸出電流 |
最高 20 A(外部 FET) |
| 開關頻率 |
300 kHz 至 1 MHz |
| 輸出電壓精度 |
±1.5% |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
14-TSSOP |
核心特性
- 電壓模式 PWM 控制,帶前饋補償
- 可編程軟啟動
- 過流保護(打嗝模式)
- 電源正常輸出
- 使能輸入,用於時序控制
- 外部同步功能
- 低關斷電流(< 1 µA)
典型應用場景
- 5G 基站電源
- 汽車儀表盤和信息娛樂系統
- 工業控制系統
- 網絡設備(路由器、交換機)
- FPGA 和 DSP 核心電壓
- 負載點(POL)模塊
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM2743MTCX/NOPB 提供全面的供應鏈與批發解決方案。
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