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Product Overview
The TPS78633KTTRE3 from Texas Instruments is a high-performance, low-dropout (LDO) linear voltage regulator designed to deliver a fixed 3.3V output with a maximum current of 1.5A. Housed in a TO-263 (DDPAK-5) package, this device offers excellent line and load regulation, making it ideal for noise-sensitive applications. With a dropout voltage as low as 340mV at full load, it ensures efficient operation even when the input voltage is close to the output. The TPS78633KTTRE3 integrates thermal shutdown and current limit protection, enhancing system reliability.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
3.3V (Fixed) |
| Output Current |
1.5A (Max) |
| Dropout Voltage |
340mV (Typical at 1.5A) |
| Input Voltage Range |
2.7V to 5.5V |
| Line Regulation |
0.01%/V (Typical) |
| Load Regulation |
0.5% (Typical) |
| PSRR |
60dB at 1kHz |
| Output Noise |
30µVrms (10Hz to 100kHz) |
| Operating Temperature |
-40°C to +125°C |
| Package |
TO-263 (DDPAK-5) |
Key Features
- Fixed 3.3V output with 1.5A capability
- Low dropout voltage: 340mV at 1.5A
- High PSRR: 60dB at 1kHz
- Low output noise: 30µVrms
- Excellent line and load regulation
- Built-in thermal shutdown and current limit
- Stable with low ESR ceramic capacitors
- RoHS compliant and lead-free
Target Applications
- 5G base station power management
- Automotive dashboard and infotainment systems
- Industrial control and automation
- Medical equipment (e.g., patient monitors)
- Telecommunications infrastructure
- FPGA and DSP core supplies
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS78633KTTRE3. 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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orders confirmed before 4 PM are shipped the same day.
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Shenzhen with support for HK bank transfers and multi-currency.
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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
TPS78633KTTRE3 是德州儀器(TI)推出的一款高性能低壓差線性穩壓器(LDO),提供固定的 3.3V 輸出,最大電流可達 1.5A。採用 TO-263(DDPAK-5)封裝,具有優異的線性和負載調整率,非常適合噪聲敏感型應用。在滿載條件下,其壓差電壓低至 340mV,確保在輸入電壓接近輸出時仍能高效工作。該器件集成了熱關斷和電流限制保護功能,提高了系統可靠性。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
3.3V(固定) |
| 輸出電流 |
1.5A(最大) |
| 壓差電壓 |
340mV(典型值,1.5A 時) |
| 輸入電壓範圍 |
2.7V 至 5.5V |
| 線性調整率 |
0.01%/V(典型值) |
| 負載調整率 |
0.5%(典型值) |
| 電源抑制比 |
60dB(1kHz 時) |
| 輸出噪聲 |
30µVrms(10Hz 至 100kHz) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
TO-263(DDPAK-5) |
核心特性
- 固定 3.3V 輸出,1.5A 電流能力
- 低壓差:1.5A 時僅 340mV
- 高 PSRR:1kHz 時 60dB
- 低輸出噪聲:30µVrms
- 優異的線性和負載調整率
- 內置熱關斷和電流限制
- 可與低 ESR 陶瓷電容穩定工作
- 符合 RoHS 標準,無鉛
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
- 工業控制與自動化
- 醫療設備(如病人監護儀)
- 電信基礎設施
- FPGA 和 DSP 核心供電
環球供應鏈與批發合作夥伴方案
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