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RT8068AZQW

3A, 1MHz synchronous step-down DC/DC converter, 2.7-5.5V input, 0.6V-VIN adjustable output, WDFN-10L 3x3

4770

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Pieza del fabricante：

RT8068AZQW

Paquete：

WDFN-10L 3x3 (W-Type)

Marca：
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Descripción

Productos

The Richtek RT8068AZQW is a high-efficiency synchronous step-down DC/DC converter operating at a fixed 1MHz switching frequency. It accepts input voltages from 2.7V to 5.5V and delivers an adjustable output from 0.6V to VIN with up to 3A output current. The integrated synchronous MOSFET switches eliminate the need for an external Schottky diode, achieving efficiencies up to 95%.

Especificaciones

Input Voltage Range 2.7V to 5.5V
Output Voltage Range 0.6V to VIN (adjustable)
Max Output Current 3A
Switching Frequency 1 MHz (fixed)
High-Side RDS(ON) 69 mΩ (typ)
Low-Side RDS(ON) 49 mΩ (typ)
Corriente de reposo 110 µA (typ)
Shutdown Current 1 µA (max)
Reference Voltage 0.6V (±1%)
Peak Current Limit 4A (typ)
Temperatura de funcionamiento -40°C to +125°C (TJ)
Paquete WDFN-10L 3×3 (W-Type)

Características

  • High efficiency up to 95% with integrated synchronous switches
  • No external Schottky diode required
  • Internal compensation for simplified design
  • 100% duty cycle low dropout operation extending battery life
  • Current mode control with fast transient response
  • Comprehensive protection: OCP, UVP, OVP, OTP
  • Power Good output indicator
  • RoHS compliant and halogen free

Aplicaciones

  • Portable instruments
  • Battery-powered equipment
  • Notebook computers
  • Distributed power systems
  • IP phones
  • Digital cameras

The Richtek RT8068AZQW is a high-efficiency synchronous step-down DC/DC converter with a fixed 1MHz switching frequency. It features an input voltage range of 2.7V to 5.5V and provides an adjustable output voltage from 0.6V to VIN while delivering up to 3A of output current. The internal synchronous low on-resistance power switches (69mΩ/49mΩ) increase efficiency and eliminate the need for an external Schottky diode. Current mode operation with internal compensation allows optimized transient response across a wide range of loads and output capacitors.

The RT8068A uses peak current mode control with internal compensation. The high-side and low-side MOSFETs are integrated, switching at a fixed 1MHz frequency. The feedback pin (FB) receives voltage from an external resistor divider and compares it to the 0.6V internal reference. The error amplifier output controls the peak inductor current through the current mode modulator. At light loads, the converter enters power saving mode (PSM) to maintain efficiency. The 100% duty cycle mode allows the high-side switch to remain on continuously for low dropout operation. Protection circuits include over-current protection (OCP), under-voltage protection (UVP), over-voltage protection (OVP), and over-temperature protection (OTP) at 150°C.

Descripción de la clavija (las definiciones de las clavijas de salida sólo tienen formato de tabla; devuelven el contenido puro sin derivación ni elaboración adicional)

Escenarios de aplicación (las definiciones de las clavijas de salida sólo tienen formato de tabla; devuelven el contenido puro sin derivación ni elaboración adicional)

RT8068AZSP (SOP-8 Exposed Pad variant); TPS562200 (TI, 2A); SY8088 (Silergy, 2A); MP1482 (MPS, 2A)

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Garantía de calidad

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.

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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.

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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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Contact Information

Email: info@ic-vendor.com

Tel / WhatsApp: +86 13760382860

Servicio y embalaje

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.

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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.

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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.

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  • Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.

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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@ic-vendor.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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