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Product Overview
The TPS77018DBVT from Texas Instruments is a low-dropout (LDO) linear voltage regulator designed to deliver a fixed output voltage of 1.8V with a maximum output current of 50mA. Housed in a compact SOT-23-5 package, this device is ideal for space-constrained applications requiring low quiescent current and high accuracy. With a dropout voltage of only 35mV at 50mA load, it ensures efficient operation even with minimal input-to-output voltage differential. The TPS77018DBVT features a low quiescent current of 17µA (typical), making it suitable for battery-powered devices. It also includes overcurrent and overtemperature protection for enhanced reliability.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
1.8V (Fixed) |
| Output Current (Max) |
50mA |
| Dropout Voltage (Typical) |
35mV @ 50mA |
| Quiescent Current (Typical) |
17µA |
| Input Voltage Range |
2.7V to 10V |
| Output Voltage Accuracy |
±2% |
| PSRR (1kHz) |
60dB |
| Operating Temperature Range |
-40°C to +125°C |
| Package |
SOT-23-5 |
Key Features
- Fixed 1.8V output with ±2% accuracy
- Low dropout voltage: 35mV typical at 50mA
- Ultra-low quiescent current: 17µA typical
- Wide input voltage range: 2.7V to 10V
- Overcurrent and overtemperature protection
- Stable with low-ESR ceramic capacitors
- Small SOT-23-5 package for space-saving designs
Target Applications
- Battery-powered portable devices (e.g., wireless earbuds, fitness trackers)
- IoT modules (e.g., sensor nodes, smart home controllers)
- 5G base station power management (e.g., small cell power rails)
- Automotive infotainment systems (e.g., dashboard displays, telematics)
- Industrial sensors and actuators
- Medical devices (e.g., portable monitors, glucose meters)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS77018DBVT. 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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transactions, ensuring peace of mind for batch orders.
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testing samples and urgent shortage components.
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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
TPS77018DBVT 是德州儀器 (TI) 推出的一款低壓差線性穩壓器 (LDO),提供固定的 1.8V 輸出電壓,最大輸出電流為 50mA。採用緊湊的 SOT-23-5 封裝,非常適合需要低靜態電流和高精度的空間受限應用。在 50mA 負載下,典型壓差僅為 35mV,確保即使在輸入輸出電壓差很小的情況下也能高效運行。TPS77018DBVT 的典型靜態電流僅為 17µA,非常適合電池供電設備。此外,它還具有過流和過溫保護功能,增強了可靠性。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
1.8V (固定) |
| 最大輸出電流 |
50mA |
| 典型壓差 |
35mV @ 50mA |
| 典型靜態電流 |
17µA |
| 輸入電壓範圍 |
2.7V 至 10V |
| 輸出電壓精度 |
±2% |
| 電源抑制比 (1kHz) |
60dB |
| 工作溫度範圍 |
-40°C 至 +125°C |
| 封裝 |
SOT-23-5 |
核心特性
- 固定 1.8V 輸出,精度 ±2%
- 低壓差:50mA 時典型值 35mV
- 超低靜態電流:典型值 17µA
- 寬輸入電壓範圍:2.7V 至 10V
- 過流和過溫保護
- 可與低 ESR 陶瓷電容穩定工作
- 小型 SOT-23-5 封裝,節省空間
典型應用場景
- 電池供電便攜設備(如無線耳機、健身追蹤器)
- 物聯網模組(如傳感器節點、智能家居控制器)
- 5G 基站電源管理(如小基站電源軌)
- 汽車信息娛樂系統(如儀表盤顯示、車載遠程信息處理)
- 工業傳感器和執行器
- 醫療設備(如便攜監護儀、血糖儀)
環球供應鏈與批發合作夥伴方案
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