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Product Overview
The TL2844BDR from Texas Instruments is a high-performance current-mode PWM controller designed for off-line and DC-to-DC converter applications. It features a wide input voltage range up to 48V, a 1A peak gate drive capability, and operates at a fixed frequency of 200kHz. The device is housed in a compact 14-SOIC package, making it suitable for space-constrained power supply designs.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
Up to 48V |
| Output Current (Peak) |
1A |
| Switching Frequency |
200kHz |
| Operating Temperature |
-40°C to +85°C |
| Package |
14-SOIC |
| Topology |
Current Mode PWM |
| Duty Cycle |
0% to 100% |
| Under-Voltage Lockout |
Yes |
| Soft Start |
External |
Key Features
- Current-mode control for improved transient response
- 1A peak gate drive for external MOSFET
- Fixed 200kHz oscillator with frequency accuracy ±10%
- Under-voltage lockout with hysteresis
- Low startup current (0.5mA typical)
- External soft-start capability
- 14-SOIC package for compact designs
Target Applications
- 5G base station power supplies
- Automotive dashboard power modules
- Industrial DC-DC converters
- Telecom power systems
- LED lighting drivers
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TL2844BDR. 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
TL2844BDR 是德州儀器推出的一款高性能電流模式 PWM 控制器,專為離線式和 DC-DC 轉換器應用設計。它支援高達 48V 的寬輸入電壓範圍,提供 1A 峰值柵極驅動能力,並以 200kHz 固定頻率工作。器件採用緊湊的 14-SOIC 封裝,適合空間受限的電源設計。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
最高 48V |
| 輸出電流(峰值) |
1A |
| 開關頻率 |
200kHz |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
14-SOIC |
| 拓撲 |
電流模式 PWM |
| 佔空比 |
0% 至 100% |
| 欠壓鎖定 |
有 |
| 軟啟動 |
外部 |
核心特性
- 電流模式控制,改善瞬態響應
- 1A 峰值柵極驅動,用於外部 MOSFET
- 固定 200kHz 振盪器,頻率精度 ±10%
- 帶滯回的欠壓鎖定
- 低啟動電流(典型值 0.5mA)
- 外部軟啟動功能
- 14-SOIC 封裝,適合緊湊設計
典型應用場景
- 5G 基站電源
- 汽車儀表板電源模塊
- 工業 DC-DC 轉換器
- 電信電源系統
- LED 照明驅動器
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 TL2844BDR 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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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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