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Product Overview
The TLF50251ELXUMA1 is a high-efficiency, synchronous step-down DC-DC converter from Infineon, designed for automotive and industrial applications. It operates over a wide input voltage range of 4.5V to 40V and delivers up to 2.5A output current with excellent load and line regulation. The device integrates low RDS(on) power MOSFETs and features a fixed 2.2 MHz switching frequency, enabling compact external component selection. Housed in a PG-SSOP-14-EP package with exposed pad for enhanced thermal performance, it is ideal for space-constrained designs requiring high reliability.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
4.5V to 40V |
| Output Voltage |
Adjustable (0.8V to VIN) or fixed 5V |
| Output Current |
2.5A |
| Switching Frequency |
2.2 MHz (fixed) |
| Efficiency |
Up to 95% |
| Operating Temperature |
-40°C to +150°C |
| Package |
PG-SSOP-14-EP |
| Protection Features |
OCP, OVP, UVLO, Thermal Shutdown |
Key Features
- Synchronous rectification for high efficiency
- Wide input voltage range suitable for automotive battery systems
- Integrated power MOSFETs with low RDS(on)
- Fixed 2.2 MHz switching frequency for small external components
- Adjustable soft-start to reduce inrush current
- Enable function for power sequencing
- Comprehensive protection: overcurrent, overvoltage, undervoltage lockout, thermal shutdown
- Exposed pad package for improved thermal dissipation
Target Applications
- Automotive infotainment systems (e.g., dashboard displays, head units)
- Advanced driver-assistance systems (ADAS) cameras and sensors
- 5G base station power supplies
- Industrial control systems and PLCs
- Telecom and networking equipment
- Battery-powered portable devices
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TLF50251ELXUMA1. 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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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
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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100% Original & Authentic: All components are guaranteed to
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
TLF50251ELXUMA1 是英飛凌推出的一款高效率同步降壓 DC-DC 轉換器,專為汽車和工業應用設計。它支持 4.5V 至 40V 的寬輸入電壓範圍,可提供高達 2.5A 的輸出電流,具有出色的負載和線性調整率。該器件集成了低導通電阻的功率 MOSFET,並採用固定的 2.2 MHz 開關頻率,從而實現緊湊的外部元件選擇。採用 PG-SSOP-14-EP 封裝並帶有裸露焊盤以增強散熱性能,非常適合空間受限且需要高可靠性的設計。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
4.5V 至 40V |
| 輸出電壓 |
可調 (0.8V 至 VIN) 或固定 5V |
| 輸出電流 |
2.5A |
| 開關頻率 |
2.2 MHz (固定) |
| 效率 |
高達 95% |
| 工作溫度 |
-40°C 至 +150°C |
| 封裝 |
PG-SSOP-14-EP |
| 保護功能 |
過流、過壓、欠壓鎖定、熱關斷 |
核心特性
- 同步整流,高效率
- 寬輸入電壓範圍,適用於汽車電池系統
- 集成低 RDS(on) 功率 MOSFET
- 固定 2.2 MHz 開關頻率,減小外部元件尺寸
- 可調軟啟動,減小浪湧電流
- 使能功能,用於電源時序控制
- 全面保護:過流、過壓、欠壓鎖定、熱關斷
- 裸露焊盤封裝,改善散熱
典型應用場景
- 汽車信息娛樂系統(例如儀表板顯示屏、主機)
- 高級駕駛輔助系統(ADAS)攝像頭和傳感器
- 5G 基站電源
- 工業控制系統和 PLC
- 電信和網絡設備
- 電池供電的便攜設備
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 TLF50251ELXUMA1 提供全面的供應鏈與批發解決方案。
我們的核心優勢包括:
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全天候環球客戶支援:專業團隊為您提供即時報價及技術支援,無需漫長等待。
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現貨庫存,即日發貨:確保現貨充足。下午 4 點前確認訂單,即可安排當天寄出。
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BOM 配單與樣板服務:提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。
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Jasin Chip 承諾所有出貨產品均為原廠正貨,具備完善的品質保證及產品可追溯性。
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100% 原廠正貨:承諾所有供應零件均為原裝現貨,品質嚴格把關,來源清晰可追溯。
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符合 RoHS 認證:所有電子元器件均符合國際環保標準及相關安全認證。
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原廠封裝保護:嚴格保留原廠原始包裝及封條,確保物流過程中的靜電防護 (ESD) 與物理安全。
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