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Product Overview
The TPS79333DBVR from Texas Instruments is a low-dropout (LDO) linear voltage regulator designed for high-performance applications. It delivers a fixed output voltage of 3.3V with a maximum output current of 200mA. The device features ultra-low noise (32 µVrms typical) and high power supply rejection ratio (PSRR) of 65 dB at 1 kHz, making it ideal for noise-sensitive circuits. Housed in a compact SOT-23-5 package, it offers a small footprint for space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
3.3V (Fixed) |
| Output Current |
200mA (Max) |
| Dropout Voltage |
120mV at 200mA |
| Input Voltage Range |
2.7V to 5.5V |
| PSRR |
65 dB at 1 kHz |
| Output Noise |
32 µVrms (10 Hz to 100 kHz) |
| Quiescent Current |
170 µA (Typical) |
| Operating Temperature |
-40°C to +125°C |
| Package |
SOT-23-5 |
Key Features
- Ultra-low noise output (32 µVrms) for RF and audio applications
- High PSRR (65 dB at 1 kHz) for clean power supply
- Low dropout voltage (120 mV at 200 mA) extends battery life
- Stable with ceramic output capacitors (1 µF typical)
- Thermal shutdown and overcurrent protection
- Enable pin for power sequencing
Target Applications
- 5G base station power management (e.g., supply for RF transceivers)
- Automotive dashboard displays and infotainment systems
- Portable medical devices (e.g., glucose meters, pulse oximeters)
- Industrial sensor modules (e.g., pressure transmitters)
- Wireless communication modules (e.g., Bluetooth, Wi-Fi)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS79333DBVR. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
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orders confirmed before 4 PM are shipped the same day.
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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
TPS79333DBVR 是德州儀器(TI)推出的低壓差線性穩壓器(LDO),專為高性能應用設計。它提供固定的 3.3V 輸出電壓,最大輸出電流為 200mA。該器件具有超低噪聲(典型值 32 µVrms)和高電源抑制比(PSRR,1 kHz 時為 65 dB),非常適合噪聲敏感電路。採用緊湊的 SOT-23-5 封裝,節省空間。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
3.3V(固定) |
| 輸出電流 |
200mA(最大) |
| 壓差電壓 |
120mV @ 200mA |
| 輸入電壓範圍 |
2.7V 至 5.5V |
| PSRR |
65 dB @ 1 kHz |
| 輸出噪聲 |
32 µVrms(10 Hz 至 100 kHz) |
| 靜態電流 |
170 µA(典型值) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
SOT-23-5 |
核心特性
- 超低噪聲輸出(32 µVrms),適用於射頻和音頻應用
- 高 PSRR(1 kHz 時 65 dB),提供乾淨電源
- 低壓差電壓(200mA 時 120mV),延長電池壽命
- 與陶瓷輸出電容器穩定工作(典型值 1 µF)
- 熱關斷和過流保護
- 使能引腳,用於電源排序
典型應用場景
- 5G 基站電源管理(例如為射頻收發器供電)
- 汽車儀表板顯示和信息娛樂系統
- 便攜式醫療設備(例如血糖儀、脈搏血氧儀)
- 工業傳感器模塊(例如壓力變送器)
- 無線通信模塊(例如藍牙、Wi-Fi)
環球供應鏈與批發合作夥伴方案
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