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Product Overview
The LP38856S-1.2/NOPB is a high-performance, low-dropout (LDO) voltage regulator from Texas Instruments, designed to deliver a fixed 1.2V output with a maximum current of 3A. Housed in a TO-263 (DDPAK-5) package, this device offers excellent line and load regulation, making it ideal for power-sensitive applications. With a dropout voltage as low as 210mV at full load, it ensures efficient operation even with minimal input-to-output voltage differential. The LP38856S-1.2/NOPB features enable/shutdown functionality, overcurrent protection, and thermal shutdown, providing robust performance in demanding environments.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
1.2V (Fixed) |
| Output Current |
3A (Max) |
| Dropout Voltage |
210mV (Typical at 3A) |
| Input Voltage Range |
1.5V to 5.5V |
| Line Regulation |
0.04% (Typical) |
| Load Regulation |
0.1% (Typical) |
| Quiescent Current |
3mA (Typical) |
| PSRR |
60dB at 1kHz |
| Operating Temperature |
-40°C to +125°C |
| Package |
TO-263 (DDPAK-5) |
Key Features
- Fixed 1.2V output with 3A current capability
- Ultra-low dropout voltage: 210mV at 3A
- Wide input voltage range: 1.5V to 5.5V
- Excellent line and load regulation
- Enable pin for power sequencing
- Overcurrent and thermal protection
- Low quiescent current: 3mA
- High PSRR: 60dB at 1kHz
- Industry-standard TO-263 package for easy thermal management
Target Applications
The LP38856S-1.2/NOPB is suitable for a wide range of applications requiring a stable 1.2V supply. Specific examples include:
- 5G base station power management (e.g., powering FPGA cores in Huawei 5G RRU)
- Automotive infotainment systems (e.g., dashboard display power in Tesla Model 3)
- Industrial control systems (e.g., PLC modules from Siemens)
- Networking equipment (e.g., Cisco switches)
- Medical devices (e.g., portable ultrasound machines)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP38856S-1.2/NOPB. 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.
-
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
LP38856S-1.2/NOPB 是德州儀器(TI)推出的一款高性能低壓差線性穩壓器(LDO),提供固定的1.2V輸出,最大輸出電流為3A。採用TO-263(DDPAK-5)封裝,具有出色的線性和負載調整率,非常適合對電源敏感的應用。在滿載條件下,其壓差電壓典型值僅為210mV,確保在輸入輸出電壓差較小時仍能高效工作。該器件具備使能/關斷功能、過流保護和熱關斷保護,可在惡劣環境下提供穩定可靠的性能。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
1.2V(固定) |
| 輸出電流 |
3A(最大) |
| 壓差電壓 |
210mV(典型值,3A時) |
| 輸入電壓範圍 |
1.5V 至 5.5V |
| 線性調整率 |
0.04%(典型值) |
| 負載調整率 |
0.1%(典型值) |
| 靜態電流 |
3mA(典型值) |
| 電源抑制比 |
60dB(1kHz) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
TO-263(DDPAK-5) |
核心特性
- 固定1.2V輸出,電流能力3A
- 超低壓差:3A時典型值210mV
- 寬輸入電壓範圍:1.5V至5.5V
- 出色的線性和負載調整率
- 使能引腳,支持電源排序
- 過流和熱關斷保護
- 低靜態電流:3mA
- 高PSRR:60dB(1kHz)
- 行業標準TO-263封裝,易於散熱
典型應用場景
LP38856S-1.2/NOPB 適用於需要穩定1.2V供電的多種應用。具體實例包括:
- 5G基站電源管理(例如,為華為5G RRU中的FPGA內核供電)
- 汽車信息娛樂系統(例如,特斯拉Model 3儀表板顯示屏電源)
- 工業控制系統(例如,西門子PLC模塊)
- 網絡設備(例如,思科交換機)
- 醫療設備(例如,便攜式超聲診斷儀)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP38856S-1.2/NOPB 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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