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Product Overview
The TL497ACDR is a monolithic switching regulator from Texas Instruments, designed for step-up, step-down, and inverting voltage regulation. It operates at a switching frequency of up to 500 kHz and delivers an output current of up to 1.5 A. The device is housed in a 14-pin SOIC package, making it suitable for compact power supply designs. With a wide input voltage range from 4.5 V to 40 V, it provides flexibility for various applications. The TL497ACDR features internal frequency compensation, soft-start, and overcurrent protection, ensuring reliable performance.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
4.5 V to 40 V |
| Output Voltage Range |
1.25 V to 37 V (adjustable) |
| Output Current |
1.5 A (max) |
| Switching Frequency |
500 kHz (typical) |
| Efficiency |
Up to 90% |
| Operating Temperature Range |
-40°C to +85°C |
| Package |
14-SOIC |
| Protection Features |
Overcurrent, thermal shutdown |
Key Features
- Wide input voltage range: 4.5 V to 40 V
- Adjustable output voltage from 1.25 V to 37 V
- High switching frequency up to 500 kHz for smaller external components
- Internal frequency compensation and soft-start
- Overcurrent and thermal shutdown protection
- Low quiescent current: 2.5 mA typical
- Available in 14-SOIC package for space-constrained designs
Target Applications
- 5G base station power supplies: Provides regulated voltages for RF amplifiers and digital logic.
- Automotive dashboard displays: Converts battery voltage to stable rails for LCD panels and processors.
- Industrial control systems: Powers sensors, actuators, and communication modules.
- Telecom equipment: Supplies isolated or non-isolated DC-DC conversion for line cards.
- Portable devices: Battery-powered equipment requiring efficient voltage regulation.
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TL497ACDR. 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
TL497ACDR 是德州儀器(TI)的一款單片開關穩壓器,專為升壓、降壓和反相電壓調節而設計。其開關頻率高達 500 kHz,輸出電流可達 1.5 A。器件採用 14 引腳 SOIC 封裝,適合緊湊型電源設計。輸入電壓範圍寬(4.5 V 至 40 V),為各種應用提供了靈活性。TL497ACDR 具有內部頻率補償、軟啟動和過流保護功能,確保可靠性能。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
4.5 V 至 40 V |
| 輸出電壓範圍 |
1.25 V 至 37 V(可調) |
| 輸出電流 |
1.5 A(最大) |
| 開關頻率 |
500 kHz(典型) |
| 效率 |
高達 90% |
| 工作溫度範圍 |
-40°C 至 +85°C |
| 封裝 |
14-SOIC |
| 保護功能 |
過流、熱關斷 |
核心特性
- 寬輸入電壓範圍:4.5 V 至 40 V
- 可調輸出電壓:1.25 V 至 37 V
- 高開關頻率(500 kHz),減小外部元件尺寸
- 內部頻率補償和軟啟動
- 過流和熱關斷保護
- 低靜態電流:典型值 2.5 mA
- 採用 14-SOIC 封裝,適合空間受限設計
典型應用場景
- 5G 基站電源:為射頻放大器和數字邏輯提供穩壓電源。
- 汽車儀表盤顯示:將電池電壓轉換為 LCD 面板和處理器的穩定電軌。
- 工業控制系統:為傳感器、執行器和通信模塊供電。
- 電信設備:為線路卡提供隔離或非隔離 DC-DC 轉換。
- 便攜設備:電池供電設備需要高效電壓調節。
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 TL497ACDR 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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