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Product Overview
The TL5002CD is a pulse-width modulation (PWM) control circuit from Texas Instruments, designed primarily for power supply control. It integrates all the functions required for a single-ended or push-pull switching power supply on a single chip. The device features an internal oscillator, error amplifier, precision reference, and protection circuits. Housed in an 8-pin SOIC package, it operates over a wide input voltage range from 3.6V to 40V, making it suitable for various DC-DC converter applications.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
3.6V to 40V |
| Output Voltage |
Adjustable via external resistors |
| Switching Frequency |
1 kHz to 300 kHz (set by external capacitor) |
| Maximum Duty Cycle |
100% |
| Reference Voltage |
1.0V ±2% |
| Error Amplifier Gain |
80 dB typical |
| Operating Temperature |
-20°C to 85°C |
| Package |
8-SOIC |
Key Features
- Wide input voltage range: 3.6V to 40V
- 100% duty cycle capability for low dropout operation
- Internal precision reference (1.0V ±2%)
- Programmable oscillator frequency up to 300 kHz
- Built-in undervoltage lockout (UVLO) with hysteresis
- Deadtime control for push-pull topologies
- Low standby current: 1.1 mA typical
- Available in 8-pin SOIC package
Target Applications
- 5G base station power supplies: DC-DC converters for remote radio units
- Automotive dashboard displays: Boost converters for LCD backlight
- Industrial control systems: Isolated flyback converters for PLCs
- Telecom equipment: Buck converters for line cards
- Consumer electronics: Power adapters and chargers
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TL5002CD. 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
TL5002CD 是德州儀器(TI)生產的脈寬調製(PWM)控制電路,專為電源供應控制設計。它將單端或推挽式開關電源所需的所有功能集成在單一芯片上。該器件包含內部振盪器、誤差放大器、精密參考電壓和保護電路。採用 8 引腳 SOIC 封裝,工作輸入電壓範圍為 3.6V 至 40V,適用於各種 DC-DC 轉換器應用。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
3.6V 至 40V |
| 輸出電壓 |
通過外部電阻可調 |
| 開關頻率 |
1 kHz 至 300 kHz(由外部電容設定) |
| 最大佔空比 |
100% |
| 參考電壓 |
1.0V ±2% |
| 誤差放大器增益 |
典型值 80 dB |
| 工作溫度 |
-20°C 至 85°C |
| 封裝 |
8-SOIC |
核心特性
- 寬輸入電壓範圍:3.6V 至 40V
- 100% 佔空比能力,支持低壓差操作
- 內部精密參考電壓(1.0V ±2%)
- 可編程振盪器頻率高達 300 kHz
- 內置欠壓鎖定(UVLO)帶滯回
- 推挽拓撲的死區時間控制
- 低靜態電流:典型值 1.1 mA
- 採用 8 引腳 SOIC 封裝
典型應用場景
- 5G 基站電源:遠程射頻單元的 DC-DC 轉換器
- 汽車儀表盤顯示:LCD 背光的升壓轉換器
- 工業控制系統:PLC 的隔離反激轉換器
- 電信設備:線路卡的降壓轉換器
- 消費電子:電源適配器和充電器
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 TL5002CD 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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深港聯動,結算靈活:深圳直發全球,物流高效可靠;支援香港銀行戶口轉賬及多幣種結算。
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Escrow 擔保交易:支援 Escrow.com 平台交易,保障買賣雙方權益,小批量訂單亦可安心在線下單。
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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。
品質保證與合規
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。
以上產品均為原廠正貨,提供 BOM 配單及現貨庫存支援,歡迎查詢。
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HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
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WhatsApp: +852 5209 9691 | Email: [email protected]