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Product Overview
The LM1117SX-3.3/NOPB is a low dropout voltage regulator from Texas Instruments, offering a fixed output voltage of 3.3V with a maximum output current of 800mA. Housed in a TO-263 (DDPAK-3) package, it features a dropout voltage of 1.2V at full load, making it suitable for applications requiring efficient power conversion from higher input voltages. The device includes current limiting and thermal shutdown protection, ensuring reliable operation in demanding environments.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
3.3V (fixed) |
| Output Current (max) |
800mA |
| Dropout Voltage (typ) |
1.2V @ 800mA |
| Input Voltage Range |
Up to 15V |
| Line Regulation |
0.2% (typ) |
| Load Regulation |
0.4% (typ) |
| Quiescent Current |
5mA (typ) |
| Operating Temperature |
-40°C to +125°C |
| Package |
TO-263 (DDPAK-3) |
Key Features
- Fixed 3.3V output with ±1% accuracy
- Low dropout voltage: 1.2V at 800mA
- Output current up to 800mA
- Current limiting and thermal shutdown
- Stable with low ESR output capacitors
- Wide operating temperature range
Target Applications
- 5G base station power management
- Automotive dashboard displays
- Industrial control systems
- Consumer electronics (e.g., set-top boxes)
- Post-regulation for switching power supplies
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM1117SX-3.3/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
LM1117SX-3.3/NOPB 是德州儀器(TI)推出的低壓差穩壓器,提供固定的 3.3V 輸出電壓,最大輸出電流為 800mA。採用 TO-263(DDPAK-3)封裝,在滿載時壓差電壓典型值為 1.2V,適合需要從較高輸入電壓高效轉換的應用。器件包含電流限制和熱關斷保護,確保在苛刻環境下可靠運行。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
3.3V(固定) |
| 最大輸出電流 |
800mA |
| 典型壓差電壓 |
1.2V @ 800mA |
| 輸入電壓範圍 |
最高 15V |
| 線性調整率 |
0.2%(典型) |
| 負載調整率 |
0.4%(典型) |
| 靜態電流 |
5mA(典型) |
| 工作溫度範圍 |
-40°C 至 +125°C |
| 封裝 |
TO-263(DDPAK-3) |
核心特性
- 固定 3.3V 輸出,精度 ±1%
- 低壓差:1.2V @ 800mA
- 輸出電流高達 800mA
- 電流限制和熱關斷保護
- 可使用低 ESR 輸出電容穩定工作
- 寬工作溫度範圍
典型應用場景
- 5G 基站電源管理
- 汽車儀表盤顯示
- 工業控制系統
- 消費電子(如機頂盒)
- 開關電源後級穩壓
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM1117SX-3.3/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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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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