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Product Overview
The LP87334DRHDR from Texas Instruments is a high-performance power management IC (PMIC) designed for space-constrained applications. Housed in a compact 28-pin VQFN package (5x5 mm), it integrates two step-down DC/DC converters and two low-dropout regulators (LDOs), providing a complete power solution for processors, FPGAs, and other digital loads. With programmable output voltages and sequencing, it offers flexibility and efficiency for a wide range of systems.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2.5V to 5.5V |
| Buck Converter Outputs |
2 (0.6V to 3.3V, up to 3A each) |
| LDO Outputs |
2 (0.8V to 3.3V, up to 300mA each) |
| Switching Frequency |
2.2 MHz (typical) |
| Efficiency |
Up to 95% |
| Package |
28-VQFN (5x5 mm) |
| Operating Temperature |
-40°C to +125°C |
Key Features
- Dual high-efficiency step-down converters with integrated FETs
- Two low-noise LDOs for analog or low-power rails
- I2C/PMBus interface for dynamic voltage scaling and configuration
- Programmable power-up sequencing and output voltage
- Overcurrent, overtemperature, and undervoltage protection
- Small footprint: 5x5 mm QFN package
Target Applications
- 5G base stations: powering FPGAs and DSPs
- Automotive dashboard systems: infotainment and cluster processors
- Industrial control: PLCs and motor drives
- Portable medical devices: patient monitors and diagnostic equipment
- Networking equipment: routers and switches
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP87334DRHDR. 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
LP87334DRHDR 是德州儀器(TI)推出的一款高性能電源管理 IC(PMIC),專為空間受限的應用設計。它採用緊湊的 28 引腳 VQFN 封裝(5x5 mm),集成兩個降壓 DC/DC 轉換器和兩個低壓差穩壓器(LDO),為處理器、FPGA 和其他數字負載提供完整的電源解決方案。憑藉可編程輸出電壓和上電時序,它為各種系統提供了靈活性和高效率。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
2.5V 至 5.5V |
| 降壓轉換器輸出 |
2 路(0.6V 至 3.3V,每路最高 3A) |
| LDO 輸出 |
2 路(0.8V 至 3.3V,每路最高 300mA) |
| 開關頻率 |
2.2 MHz(典型值) |
| 效率 |
最高 95% |
| 封裝 |
28-VQFN(5x5 mm) |
| 工作溫度 |
-40°C 至 +125°C |
核心特性
- 雙路高效降壓轉換器,集成 FET
- 兩路低噪聲 LDO,適用於模擬或低功耗軌
- I2C/PMBus 接口,支持動態電壓調節和配置
- 可編程上電時序和輸出電壓
- 過流、過溫和欠壓保護
- 小尺寸:5x5 mm QFN 封裝
典型應用場景
- 5G 基站:為 FPGA 和 DSP 供電
- 汽車儀表板系統:信息娛樂和集群處理器
- 工業控制:PLC 和電機驅動
- 便攜式醫療設備:病人監護儀和診斷設備
- 網絡設備:路由器和交換機
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP87334DRHDR 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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全天候環球客戶支援:專業團隊為您提供即時報價及技術支援,無需漫長等待。
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現貨庫存,即日發貨:確保現貨充足。下午 4 點前確認訂單,即可安排當天寄出。
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BOM 配單與樣板服務:提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。
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Jasin Chip 承諾所有出貨產品均為原廠正貨,具備完善的品質保證及產品可追溯性。
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原廠封裝保護:嚴格保留原廠原始包裝及封條,確保物流過程中的靜電防護 (ESD) 與物理安全。
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