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Product Overview
The LP38853S-ADJ from Texas Instruments is a high-performance, adjustable low-dropout (LDO) linear voltage regulator capable of delivering up to 3A of output current. Housed in the TO-263 (DDPAK-7) package, it offers excellent thermal performance and reliability. The device features a low dropout voltage of typically 310mV at full load, enabling efficient regulation even when the input voltage is close to the output. With an adjustable output voltage range from 0.8V to 1.8V, it is ideal for powering low-voltage cores in modern digital systems.
Detailed Technical Specifications
| Parameter |
Value |
| Output Current |
3A |
| Dropout Voltage (Typical) |
310mV @ 3A |
| Adjustable Output Voltage Range |
0.8V to 1.8V |
| Input Voltage Range |
1.5V to 5.5V |
| Line Regulation |
0.04% / V |
| Load Regulation |
0.1% / A |
| PSRR |
80dB @ 1kHz |
| Output Noise |
30µV RMS (10Hz to 100kHz) |
| Operating Temperature Range |
-40°C to +125°C |
| Package |
TO-263 (DDPAK-7) |
Key Features
- Low dropout voltage: 310mV typical at 3A
- Adjustable output from 0.8V to 1.8V
- High output current: 3A
- Excellent line and load regulation
- High PSRR: 80dB at 1kHz
- Low output noise: 30µV RMS
- Enable pin for power sequencing
- Overcurrent and overtemperature protection
- Small footprint TO-263 package
Target Applications
- 5G base station power management (e.g., powering FPGA cores)
- Automotive infotainment and dashboard systems (e.g., TI TDA4VM processor)
- Industrial control systems (e.g., PLC modules)
- Telecommunications equipment (e.g., line cards)
- Medical devices (e.g., portable ultrasound)
- Consumer electronics (e.g., high-end audio DACs)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP38853S-ADJ. 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
LP38853S-ADJ 是德州儀器(TI)推出的一款高性能、可調節低壓差(LDO)線性穩壓器,能夠提供高達 3A 的輸出電流。採用 TO-263(DDPAK-7)封裝,具有出色的熱性能和可靠性。該器件在滿載時典型壓差僅為 310mV,即使輸入電壓接近輸出電壓也能實現高效穩壓。可調輸出電壓範圍為 0.8V 至 1.8V,非常適合為現代數字系統中的低壓內核供電。
詳細技術參數
| 參數 |
數值 |
| 輸出電流 |
3A |
| 壓差電壓(典型值) |
310mV @ 3A |
| 可調輸出電壓範圍 |
0.8V 至 1.8V |
| 輸入電壓範圍 |
1.5V 至 5.5V |
| 線性調整率 |
0.04% / V |
| 負載調整率 |
0.1% / A |
| 電源抑制比 |
80dB @ 1kHz |
| 輸出噪聲 |
30µV RMS(10Hz 至 100kHz) |
| 工作溫度範圍 |
-40°C 至 +125°C |
| 封裝 |
TO-263(DDPAK-7) |
核心特性
- 低壓差:3A 時典型值 310mV
- 可調輸出:0.8V 至 1.8V
- 高輸出電流:3A
- 優異的線性和負載調整率
- 高 PSRR:1kHz 時 80dB
- 低輸出噪聲:30µV RMS
- 使能引腳,支持電源時序控制
- 過流和過熱保護
- 小尺寸 TO-263 封裝
典型應用場景
- 5G 基站電源管理(例如為 FPGA 內核供電)
- 汽車信息娛樂和儀表板系統(例如 TI TDA4VM 處理器)
- 工業控制系統(例如 PLC 模塊)
- 電信設備(例如線路卡)
- 醫療設備(例如便攜式超聲)
- 消費電子(例如高端音頻 DAC)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP38853S-ADJ 提供全面的供應鏈與批發解決方案。
我們的核心優勢包括:
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