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Product Overview
The LM2705MFX-ADJ/NOPB is a high-frequency, current-mode boost converter from Texas Instruments, designed to provide an adjustable output voltage from a low input voltage source. Housed in a compact SOT-23-5 package, this device is ideal for space-constrained applications requiring efficient power conversion. With a switching frequency of 1.2 MHz, it allows for small external components, reducing overall solution size. The device features a 0.5A internal switch, enabling output voltages up to 20V. Its wide input voltage range of 2.2V to 7V makes it suitable for battery-powered systems.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2.2V to 7V |
| Output Voltage Range |
Adjustable up to 20V |
| Switching Frequency |
1.2 MHz |
| Internal Switch Current Limit |
0.5A (typical) |
| Efficiency |
Up to 85% |
| Quiescent Current |
85 µA (typical) |
| Shutdown Current |
0.1 µA (typical) |
| Operating Temperature Range |
-40°C to +85°C |
| Package |
SOT-23-5 |
Key Features
- Adjustable output voltage up to 20V
- High switching frequency (1.2 MHz) enables small external components
- Internal 0.5A switch with current limit protection
- Low quiescent current (85 µA) for battery-powered applications
- Shutdown current less than 0.1 µA
- Thermal shutdown and overcurrent protection
- Small SOT-23-5 package for space-constrained designs
Target Applications
- 5G base station power supply: Provides bias voltage for RF amplifiers
- Automotive dashboard display: Generates high voltage for LCD backlight
- Portable medical devices: Boosts battery voltage for sensor power
- Industrial sensors: Supplies isolated power for remote monitoring
- Battery-powered IoT devices: Efficiently converts single-cell Li-ion to 5V rail
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM2705MFX-ADJ/NOPB. 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
LM2705MFX-ADJ/NOPB 是德州儀器 (TI) 的一款高頻率、電流模式升壓轉換器,專為從低輸入電壓源提供可調輸出電壓而設計。採用緊湊的 SOT-23-5 封裝,非常適合需要高效電源轉換的空間受限應用。1.2 MHz 的開關頻率允許使用小型外部元件,從而減小整體解決方案尺寸。該器件具有 0.5A 內部開關,可實現高達 20V 的輸出電壓。其 2.2V 至 7V 的寬輸入電壓範圍使其適用於電池供電系統。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
2.2V 至 7V |
| 輸出電壓範圍 |
可調,最高 20V |
| 開關頻率 |
1.2 MHz |
| 內部開關電流限制 |
0.5A(典型值) |
| 效率 |
最高 85% |
| 靜態電流 |
85 µA(典型值) |
| 關斷電流 |
0.1 µA(典型值) |
| 工作溫度範圍 |
-40°C 至 +85°C |
| 封裝 |
SOT-23-5 |
核心特性
- 可調輸出電壓,最高 20V
- 高開關頻率 (1.2 MHz) 支持小型外部元件
- 內部 0.5A 開關,帶電流限制保護
- 低靜態電流 (85 µA),適用於電池供電應用
- 關斷電流低於 0.1 µA
- 熱關斷和過流保護
- 小型 SOT-23-5 封裝,適合空間受限設計
典型應用場景
- 5G 基站電源:為射頻放大器提供偏置電壓
- 汽車儀表板顯示:為 LCD 背光產生高電壓
- 便攜式醫療設備:升壓電池電壓為傳感器供電
- 工業傳感器:為遠程監控提供隔離電源
- 電池供電 IoT 設備:高效將單節鋰電池轉換為 5V 軌
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM2705MFX-ADJ/NOPB 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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