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Product Overview
The LP3918TL-A/NOPB is a highly integrated power management IC (PMIC) from Texas Instruments, designed for portable and battery-powered applications. It features three step-down DC-DC converters and two low-dropout linear regulators (LDOs), all in a compact 25-pin USMD package. The device provides efficient power conversion with high accuracy and low quiescent current, making it ideal for space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2.7V to 5.5V |
| Buck Converter Outputs |
3 (adjustable, up to 1.2A each) |
| LDO Outputs |
2 (adjustable, up to 300mA each) |
| Switching Frequency |
2.25 MHz (typical) |
| Quiescent Current |
40 µA (typical) |
| Operating Temperature |
-40°C to +85°C |
| Package |
25-USMD (4mm x 4mm) |
Key Features
- Three high-efficiency step-down converters with up to 95% efficiency
- Two low-noise LDOs for sensitive analog loads
- Dynamic voltage scaling (DVS) support for buck converters
- I2C interface for flexible control and configuration
- Power-on reset and under-voltage lockout (UVLO)
- Over-current and thermal protection
- Small footprint: 25-pin USMD package (4mm x 4mm)
Target Applications
- Smartphones and tablets
- Portable media players
- Wireless headsets and wearables
- 5G base station control boards
- Automotive dashboard displays
- Industrial handheld terminals
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP3918TL-A/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.
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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
LP3918TL-A/NOPB 是德州儀器(TI)推出的一款高度集成的電源管理IC(PMIC),專為便攜式和電池供電應用設計。它包含三個降壓DC-DC轉換器和兩個低壓差線性穩壓器(LDO),採用緊湊的25引腳USMD封裝。該器件提供高效率的電源轉換,具有高精度和低靜態電流,非常適合空間受限的設計。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
2.7V 至 5.5V |
| 降壓轉換器輸出 |
3路(可調,每路最高1.2A) |
| LDO輸出 |
2路(可調,每路最高300mA) |
| 開關頻率 |
2.25 MHz(典型值) |
| 靜態電流 |
40 µA(典型值) |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
25-USMD(4mm x 4mm) |
核心特性
- 三個高效率降壓轉換器,效率高達95%
- 兩個低噪聲LDO,適用於敏感模擬負載
- 支持降壓轉換器的動態電壓調節(DVS)
- I2C接口,實現靈活控制和配置
- 上電復位和欠壓鎖定(UVLO)
- 過流和熱保護
- 小尺寸:25引腳USMD封裝(4mm x 4mm)
典型應用場景
- 智能手機和平板電腦
- 便攜式媒體播放器
- 無線耳機和可穿戴設備
- 5G基站控制板
- 汽車儀表盤顯示
- 工業手持終端
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP3918TL-A/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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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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深港聯動,結算靈活:深圳直發全球,物流高效可靠;支援香港銀行戶口轉賬及多幣種結算。
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Escrow 擔保交易:支援 Escrow.com 平台交易,保障買賣雙方權益,小批量訂單亦可安心在線下單。
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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。
品質保證與合規
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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100% 原廠正貨:承諾所有供應零件均為原裝現貨,品質嚴格把關,來源清晰可追溯。
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符合 RoHS 認證:所有電子元器件均符合國際環保標準及相關安全認證。
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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。
以上產品均為原廠正貨,提供 BOM 配單及現貨庫存支援,歡迎查詢。
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HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]