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Product Overview
The TL1963A-33DCQT is a low-dropout (LDO) linear voltage regulator from Texas Instruments, offering a fixed output voltage of 3.3V with a maximum output current of 1.5A. Housed in a compact SOT-223-6 package, this device is designed for applications requiring low noise, fast transient response, and high accuracy. With a dropout voltage of only 340mV at full load, it is ideal for battery-powered and high-efficiency systems.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
3.3V (Fixed) |
| Output Current (Max) |
1.5A |
| Dropout Voltage (Typ) |
340mV @ 1.5A |
| Input Voltage Range |
2.1V to 20V |
| Line Regulation |
0.015% / V (Typ) |
| Load Regulation |
0.1% (Typ) |
| PSRR |
75dB @ 120Hz |
| Output Noise |
40µV RMS (10Hz – 100kHz) |
| Operating Temperature |
-40°C to +125°C |
| Package |
SOT-223-6 |
Key Features
- Low dropout voltage: 340mV typical at 1.5A
- Low output noise: 40µV RMS
- High PSRR: 75dB at 120Hz
- Fast transient response
- Stable with low ESR output capacitors (≥2.2µF)
- Built-in current limit and thermal shutdown protection
- Enable pin for power sequencing
Target Applications
- 5G base station power management (e.g., clean supply for RF transceivers)
- Automotive dashboard displays and infotainment systems
- Industrial sensors and data acquisition modules
- Portable medical devices (e.g., patient monitors)
- FPGA and DSP core voltage regulation
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TL1963A-33DCQT. 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
TL1963A-33DCQT 是德州儀器 (TI) 推出的低壓差線性穩壓器 (LDO),提供固定的 3.3V 輸出電壓,最大輸出電流為 1.5A。採用緊湊的 SOT-223-6 封裝,適用於需要低噪聲、快速瞬態響應和高精度的應用。在滿載條件下,典型壓差僅為 340mV,非常適合電池供電和高效率系統。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
3.3V (固定) |
| 最大輸出電流 |
1.5A |
| 典型壓差 |
340mV @ 1.5A |
| 輸入電壓範圍 |
2.1V 至 20V |
| 線性調整率 |
0.015% / V (典型) |
| 負載調整率 |
0.1% (典型) |
| 電源抑制比 (PSRR) |
75dB @ 120Hz |
| 輸出噪聲 |
40µV RMS (10Hz – 100kHz) |
| 工作溫度範圍 |
-40°C 至 +125°C |
| 封裝 |
SOT-223-6 |
核心特性
- 低壓差:1.5A 時典型值 340mV
- 低輸出噪聲:40µV RMS
- 高 PSRR:120Hz 時 75dB
- 快速瞬態響應
- 可使用低 ESR 輸出電容(≥2.2µF)穩定工作
- 內置電流限制和熱關斷保護
- 使能引腳,支持電源排序
典型應用場景
- 5G 基站電源管理(例如為射頻收發器提供乾淨電源)
- 汽車儀表盤顯示和信息娛樂系統
- 工業傳感器和數據採集模塊
- 便攜式醫療設備(例如病人監護儀)
- FPGA 和 DSP 核心電壓調節
環球供應鏈與批發合作夥伴方案
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