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Product Overview
The TPS77228DGK from Texas Instruments is a low-dropout (LDO) linear voltage regulator designed for applications requiring a stable 2.8V output with up to 250mA of load current. Housed in a compact 8-VSSOP package, this device offers excellent line and load regulation, low quiescent current, and fast transient response. It is ideal for powering sensitive analog and digital circuits in industrial, automotive, and communication systems.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
2.8V |
| Output Current |
250mA |
| Dropout Voltage |
350mV (typical at 250mA) |
| Quiescent Current |
85µA (typical) |
| Line Regulation |
0.01%/V (typical) |
| Load Regulation |
0.01%/mA (typical) |
| PSRR |
60dB at 1kHz |
| Operating Temperature |
-40°C to +125°C |
| Package |
8-VSSOP |
Key Features
- Low dropout voltage: 350mV at 250mA
- Low quiescent current: 85µA
- High PSRR: 60dB at 1kHz
- 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 displays
- Portable battery-powered devices
- Industrial sensor modules
- Wireless communication modules
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS77228DGK. 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
TPS77228DGK 是德州儀器(TI)推出的低壓差線性穩壓器(LDO),提供穩定的 2.8V 輸出,最大負載電流 250mA。採用緊湊的 8-VSSOP 封裝,具有優異的線性調整率、負載調整率、低靜態電流和快速瞬態響應,適用於工業、汽車和通信系統中對噪聲敏感的模擬和數字電路供電。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
2.8V |
| 輸出電流 |
250mA |
| 壓差電壓 |
350mV(典型值,250mA 時) |
| 靜態電流 |
85µA(典型值) |
| 線性調整率 |
0.01%/V(典型值) |
| 負載調整率 |
0.01%/mA(典型值) |
| 電源抑制比 |
60dB(1kHz 時) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
8-VSSOP |
核心特性
- 低壓差:250mA 時典型值 350mV
- 低靜態電流:85µA
- 高電源抑制比:1kHz 時 60dB
- 可使用陶瓷輸出電容器穩定工作
- 內置過流和過熱保護
- 使能引腳,支持電源排序
典型應用場景
- 5G 基站電源管理
- 汽車儀表盤顯示
- 便攜式電池供電設備
- 工業傳感器模塊
- 無線通信模塊
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 TPS77228DGK 提供全面的供應鏈與批發解決方案。
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