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Product Overview
The TPS7A2028PDBVR is a low-dropout (LDO) linear voltage regulator from Texas Instruments, offering a fixed output voltage of 2.8V with a maximum output current of 300mA. Housed in a compact SOT-23-5 package, this device is designed for space-constrained applications requiring low noise, high PSRR, and excellent transient response. It features a wide input voltage range from 2.5V to 6.5V, making it suitable for battery-powered and industrial systems.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
2.8V (Fixed) |
| Output Current |
300mA |
| Dropout Voltage |
200mV (Typical at 300mA) |
| Input Voltage Range |
2.5V to 6.5V |
| PSRR |
60dB at 1kHz |
| Output Noise |
30µVrms (10Hz to 100kHz) |
| Quiescent Current |
25µA (Typical) |
| Operating Temperature |
-40°C to +125°C |
| Package |
SOT-23-5 |
Key Features
- Low dropout voltage: 200mV at 300mA
- High PSRR: 60dB at 1kHz
- Low output noise: 30µVrms
- Low quiescent current: 25µA
- Stable with ceramic output capacitors
- Built-in overcurrent and thermal protection
- Enable pin for power sequencing
Target Applications
- 5G base station power management
- Automotive dashboard and infotainment systems
- Portable and battery-powered devices
- Industrial sensors and IoT modules
- Medical devices requiring low noise
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS7A2028PDBVR. 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
TPS7A2028PDBVR 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 2.8V 輸出電壓和最高 300mA 的輸出電流。採用緊湊的 SOT-23-5 封裝,適用於對空間有限、需要低噪聲、高電源抑制比 (PSRR) 和出色瞬態響應的應用。其輸入電壓範圍為 2.5V 至 6.5V,適合電池供電和工業系統。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
2.8V (固定) |
| 輸出電流 |
300mA |
| 壓差電壓 |
200mV (典型值 @300mA) |
| 輸入電壓範圍 |
2.5V 至 6.5V |
| 電源抑制比 |
60dB @1kHz |
| 輸出噪聲 |
30µVrms (10Hz 至 100kHz) |
| 靜態電流 |
25µA (典型值) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
SOT-23-5 |
核心特性
- 低壓差:300mA 時僅 200mV
- 高 PSRR:1kHz 時 60dB
- 低輸出噪聲:30µVrms
- 低靜態電流:25µA
- 可與陶瓷輸出電容穩定工作
- 內置過流和過熱保護
- 使能引腳用於電源排序
典型應用場景
- 5G 基站電源管理
- 汽車儀表盤和信息娛樂系統
- 便攜式和電池供電設備
- 工業傳感器和 IoT 模塊
- 需要低噪聲的醫療設備
環球供應鏈與批發合作夥伴方案
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我們的核心優勢包括:
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