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Product Overview
The REG104FA-3KTTT from Texas Instruments is a high-performance, low-dropout (LDO) linear voltage regulator designed for applications requiring up to 3A of output current. Housed in a TO-263 (DDPAK-5) package, this device offers excellent thermal performance and reliability. With a dropout voltage of typically 1.3V at full load, it is ideal for systems where input-to-output voltage differential is minimal. The regulator provides a fixed output voltage of 3.3V with high accuracy (±1.5% over temperature). It features low quiescent current (typically 1.5mA) and fast transient response, making it suitable for powering sensitive analog and digital circuits.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
3.3V (Fixed) |
| Output Current |
3A (Max) |
| Dropout Voltage |
1.3V (Typical at 3A) |
| Input Voltage Range |
2.5V to 10V |
| Line Regulation |
0.02%/V (Typical) |
| Load Regulation |
0.1% (Typical) |
| Quiescent Current |
1.5mA (Typical) |
| PSRR |
60dB at 120Hz |
| Operating Temperature |
-40°C to +125°C |
| Package |
TO-263 (DDPAK-5) |
Key Features
- High output current: 3A
- Low dropout voltage: 1.3V typical at 3A
- Fixed output voltage: 3.3V with ±1.5% accuracy
- Low quiescent current: 1.5mA typical
- Fast transient response
- Excellent line and load regulation
- High PSRR: 60dB at 120Hz
- Thermal shutdown and current limit protection
- Wide operating temperature range: -40°C to +125°C
- Industry-standard TO-263 package for efficient heat dissipation
Target Applications
- 5G base station power management
- Automotive dashboard and infotainment systems
- Industrial control systems
- Telecommunications equipment
- Medical devices
- FPGA and DSP power supplies
- Battery-powered equipment
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
REG104FA-3KTTT. 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
REG104FA-3KTTT 是德州儀器(TI)推出的一款高性能低壓差線性穩壓器(LDO),可提供高達 3A 的輸出電流。該器件採用 TO-263(DDPAK-5)封裝,具有出色的熱性能和可靠性。在滿載條件下,典型壓差電壓為 1.3V,非常適合輸入與輸出電壓差較小的系統。穩壓器提供 3.3V 固定輸出電壓,精度高(在整個溫度範圍內為 ±1.5%)。其靜態電流低(典型值 1.5mA),瞬態響應快,適用於為敏感模擬和數字電路供電。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
3.3V(固定) |
| 輸出電流 |
3A(最大) |
| 壓差電壓 |
1.3V(典型值,3A 時) |
| 輸入電壓範圍 |
2.5V 至 10V |
| 線性調整率 |
0.02%/V(典型值) |
| 負載調整率 |
0.1%(典型值) |
| 靜態電流 |
1.5mA(典型值) |
| 電源抑制比 |
60dB(120Hz 時) |
| 工作溫度範圍 |
-40°C 至 +125°C |
| 封裝 |
TO-263(DDPAK-5) |
核心特性
- 高輸出電流:3A
- 低壓差電壓:3A 時典型值 1.3V
- 固定輸出電壓:3.3V,精度 ±1.5%
- 低靜態電流:典型值 1.5mA
- 快速瞬態響應
- 優異的線性和負載調整率
- 高電源抑制比:120Hz 時 60dB
- 熱關斷和電流限制保護
- 寬工作溫度範圍:-40°C 至 +125°C
- 行業標準 TO-263 封裝,散熱效率高
典型應用場景
- 5G 基站電源管理
- 汽車儀表盤和信息娛樂系統
- 工業控制系統
- 電信設備
- 醫療設備
- FPGA 和 DSP 電源
- 電池供電設備
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 REG104FA-3KTTT 提供全面的供應鏈與批發解決方案。
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