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Product Overview
The TL2844P 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 frequencies up to 500kHz. The device is housed in an 8-pin PDIP package, making it suitable for compact power supply designs.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
Up to 48V |
| Output Drive Current |
1A (peak) |
| Switching Frequency |
Up to 500kHz |
| Operating Temperature |
-40°C to +85°C |
| Package |
8-PDIP |
| Topology |
Current Mode PWM |
| Under-Voltage Lockout |
8.4V/7.6V (start/stop) |
| Duty Cycle Range |
0% to 100% |
Key Features
- Current-mode control for improved transient response
- 1A peak gate drive for external MOSFET
- Wide input voltage range up to 48V
- Programmable switching frequency up to 500kHz
- Under-voltage lockout with hysteresis
- Low startup current (0.5mA typical)
- Internal soft-start
- 8-pin PDIP package for easy prototyping
Target Applications
- AC-DC power adapters for consumer electronics
- DC-DC converters for 5G base station power supplies
- Industrial power supplies for automation equipment
- Automotive infotainment and dashboard power systems
- LED lighting drivers
- Battery chargers
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TL2844P. 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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transactions, ensuring peace of mind for batch orders.
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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
TL2844P 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。它具有高達 48V 的寬輸入電壓範圍、1A 峰值柵極驅動能力,以及高達 500kHz 的工作頻率。器件採用 8 引腳 PDIP 封裝,適合緊湊型電源設計。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
最高 48V |
| 輸出驅動電流 |
1A(峰值) |
| 開關頻率 |
最高 500kHz |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
8-PDIP |
| 拓撲結構 |
電流模式 PWM |
| 欠壓鎖定 |
8.4V/7.6V(啟動/停止) |
| 佔空比範圍 |
0% 至 100% |
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
- 寬輸入電壓範圍,最高 48V
- 可編程開關頻率,最高 500kHz
- 帶滯回的欠壓鎖定
- 低啟動電流(典型值 0.5mA)
- 內部軟啟動
- 8 引腳 PDIP 封裝,便於原型設計
典型應用場景
- 消費電子產品的 AC-DC 電源適配器
- 5G 基站電源的 DC-DC 轉換器
- 工業自動化設備的電源
- 汽車信息娛樂系統和儀表板電源
- LED 照明驅動器
- 電池充電器
環球供應鏈與批發合作夥伴方案
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