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LM2776DBVR

Inverting charge pump, -5V 50mA, 2.7-5.5V, SOT-23-6

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جزء الشركة المصنعة ： جزء الشركة المصنعة

LM2776DBVR

الحزمة ： الحزمة

SOT-23-6 (2.9 x 1.6 mm)

العلامة التجارية ： العلامة التجارية
فئات المنتجات:：فئات المنتجات
الالتزام بالجودة
الشحن والدفع
الخدمة والتغليف
دليل المنتج
توصيات أخرى قد تكون مهتماً بها.

MCP2562FD-E/MF

10M08SAM153I7G

KSZ8794CNXIC

TH8056KDC-AAA-014-RE

LT1963AEQ#PBF

PIC24FJ64GA006-I/PT

EN5335QI

DRV8301DCAR

الوصف

نظرة عامة على المنتج

The LM2776DBVR from Texas Instruments is a regulated inverting switched capacitor charge pump that generates -5V from a 2.7-5.5V positive input in a SOT-23-6 package. With 50mA output current, 2MHz switching frequency, and only 4 external capacitors required, it provides a compact negative rail for op-amp and sensor supplies.

المواصفات الرئيسية

جهد الخرج -5.0V regulated
جهد الإدخال 2.7V to 5.5V
تيار الإخراج 50mA
Efficiency Up to 80%
تردد التحويل 2MHz fixed
Iq 1.1mA typical
Shutdown Iq 0.1uA
Output Ripple 15mV typical
External Components 4 capacitors only
Operating Temp -40 to +85 C
الحزمة SOT-23-6

الميزات

  • -5V regulated output from positive supply
  • No inductor required (charge pump topology)
  • 50mA output current capability
  • 2MHz high frequency for small capacitors
  • 1.1mA Iq, 0.1uA shutdown current
  • Only 4 external capacitors needed

التطبيقات

  • GaN/GaAs FET gate bias (-5V)
  • Negative op-amp supply rail
  • LCD negative bias voltage
  • Audio amplifier split-rail generation

The LM2776DBVR from Texas Instruments is a regulated inverting switched capacitor charge pump that generates -5V from a 2.7-5.5V positive input in a SOT-23-6 package. With 50mA output current, 2MHz switching frequency, and only 4 external capacitors required, it provides a compact negative rail for op-amp and sensor supplies.

The LM2776DBVR operates as described in the product overview. Key subsystems include the input stage, processing/gain stage, output stage, and protection circuitry as detailed in the datasheet.

دبوس الاسم النوع الوصف
1 VOUT المخرجات -5V regulated output
2 CFLY+ الإدخال/الإخراج Flying capacitor positive
3 CFLY- الإدخال/الإخراج Flying capacitor negative
4 GND الطاقة Ground (input return)
5 EN المدخلات Enable (active high)
6 VIN الطاقة Input supply (2.7-5.5V)
  • GaN/GaAs FET gate bias (-5V)
  • Negative op-amp supply rail
  • LCD negative bias voltage
  • Audio amplifier split-rail generation
الطراز الشركة المصنعة الحزمة الملاحظات
LM27761DBVR TI SOT-23-6 Adjustable -1.5 to -5V output
TPS60400DBVR TI SOT-23-5 Unregulated -60mA charge pump
LM2664MM/NOPB TI VSSOP-8 Unregulated, 60mA
MAX889TESA+T ADI SOIC-8 -2x Vin, 200mA
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ضمان الجودة

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

1. Authorized & Genuine Sourcing Promise

All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

3. Industry Standard Compliance

Our products comply with a variety of international industry quality standards to adapt to high-standard application scenarios:
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Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

الشحن والدفع

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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We offer a variety of secure and convenient payment methods to meet diverse business cooperation needs. Details are as follows:
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  • Economy Logistics: Air freight and sea freight for large-volume cargo
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  • Out-of-stock or sourced items: The delivery lead time will be confirmed separately according to brand and inventory status.
  1. Estimated Transit Time
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  • Air Freight: 7 – 12 working days
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3. General Order Rules & Notes

  1. MOQ & Sample Service

     

    We support flexible minimum order quantities for samples, small-batch and large-batch orders. All sample orders shall comply with the above shipping and payment policies.

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    All electronic components are packed with professional anti-static and shockproof materials. Original factory packaging is available for branded chips and integrated circuits.

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  2. Handling of Lost or Damaged Goods
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5. Local Pickup in Shenzhen

Local pickup service is available for customers in Shenzhen and surrounding areas:
  • Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong Province, China
  • Business Hours: 09:00 – 18:00, Monday to Friday. Closed on weekends and official public holidays.
  • Notice: Please make an appointment via email or communication tools one day in advance, and present your order information upon pickup.

Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

الخدمة والتغليف

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

Core Services

1. One-stop Sourcing & BOM Support

We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

3. Fast Quotation & Order Processing

Our customer service team responds promptly to inquiries and quotation requests. All in-stock orders will be processed within one working day. We provide stocking reservation services for long-term cooperative customers, effectively solving problems such as component shortages and unstable supply chains.

4. Professional Technical Support

Our senior engineer team provides free technical consultation, model selection guidance and original manufacturer datasheets. We assist customers in solving problems related to product R&D, circuit design and component application, providing reliable technical support for project progress.

5. Sourcing for Special Components

Relying on our global supply chain network, we professionally source scarce components, obsolete parts and customized special components to efficiently solve your procurement difficulties.

6. Global Logistics & Document Services

We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

1. General Packaging Specifications

  • All components are packed separately to avoid damage caused by friction and collision;
  • Shockproof buffer materials are added for fragile products to ensure transportation safety;
  • Each package is clearly marked with part number, quantity, batch number and specifications for easy inventory counting and management.

2. Classified Professional Packaging

  • Anti-static Packaging: Static-sensitive components such as chips, circuit boards and sensors are packaged with anti-static bags, shielding boxes and conductive foam in strict accordance with international anti-static standards to prevent static damage.
  • Vacuum Moisture-proof Packaging: Moisture-sensitive components are vacuum-sealed with desiccants to isolate humid air, suitable for ocean transportation and long-term storage.
  • Original Factory Packaging: Integrated circuits of brands such as NXP are delivered with original reels, trays or tubes by default, retaining complete original packaging and adapting to automated SMT production lines.
  • Discrete Device Packaging: Discrete devices such as SMD resistors, power resistors and LEDs are quantitatively and classifiedly packaged with accurate quantity and clear marking.
  • Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.

3. Custom Packaging Services

We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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