UC3903QG3
- Mfr.Part #
- UC3903QG3
- Manufacturer
- Unitrode
- Package / Case
- 20-LCC (J-Lead)
- Datasheet
- Download
- Description
- POWER SUPPLY SUPPORT CIRCUIT, AD
- Stock
- 16,992
- In Stock :
- 16,992
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Unitrode
- Product Category :
- Supervisors
- Terminal Position :
- QUAD
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Type :
- Multi-Voltage Supervisor
- Pin Count :
- 20
- Number of Terminations :
- 20
- Max Power Dissipation :
- 1W
- Reset :
- Active Low
- Quiescent Current :
- 7mA
- Number of Pins :
- 20
- JESD-609 Code :
- e3
- Terminal Pitch :
- 1.27mm
- Length :
- 8.96mm
- Mounting Type :
- Surface Mount
- Max Supply Voltage :
- 40V
- Operating Supply Current :
- 7mA
- Lead Free :
- Lead Free
- Surface Mount :
- yes
- Height :
- 4.57mm
- Number of Channels :
- 4
- ECCN Code :
- EAR99
- Supply Voltage :
- 15V
- Thickness :
- 4.06mm
- Operating Temperature :
- 0°C~70°C TA
- Width :
- 8.96mm
- Packaging :
- Tube
- Max Supply Current :
- 18mA
- Number of Voltages Monitored :
- 4
- Reset Timeout :
- Adjustable/Selectable
- Power Dissipation :
- 1W
- Min Supply Voltage :
- 8V
- Terminal Form :
- J BEND
- Watchdog Timer :
- No
- RoHS Status :
- ROHS3 Compliant
- Package / Case :
- 20-LCC (J-Lead)
- Terminal Finish :
- Matte Tin (Sn)
- Peak Reflow Temperature (Cel) :
- 260
- Adjustable Threshold :
- yes
- Number of Functions :
- 1
- Output :
- Open Drain or Open Collector
- Base Part Number :
- UC3903
- Datasheets
- UC3903QG3

Supervisors Unitrode UC3903QG3 Overview
The Supervisors Unitrode UC3903QG3 is a cutting-edge power supply support circuit designed to enhance the reliability and efficiency of power management systems. Developed by Unitrode, this component ensures stable operation under varying load conditions, making it ideal for critical applications where power supply integrity is paramount. Its ability to seamlessly integrate into various power configurations makes it a versatile choice for designers looking to optimize their power supply solutions. The UC3903QG3 is engineered to address the rigorous demands of modern electronic devices, providing robust support and superior performance.
UC3903QG3 Features
The UC3903QG3 comes equipped with several features that stand out in the realm of power supply circuits. These include high voltage operation capabilities, precise voltage monitoring, and an integrated charge pump for enhanced performance. The device also offers undervoltage lockout (UVLO) features, ensuring that all connected components operate within safe voltage levels. Moreover, its compact design and low power consumption make it suitable for space-constrained applications while maintaining energy efficiency.
UC3903QG3 Applications
- Telecommunications Equipment: The UC3903QG3 can be utilized in telecommunication systems to maintain stable voltage levels, ensuring reliable operation and connectivity even under fluctuating power conditions.
- Computer Servers: In server applications, this IC helps in managing power supply to prevent data loss and hardware damage during unexpected power variations.
- Industrial Systems: The robust design of the UC3903QG3 makes it suitable for industrial applications, where it can help regulate and monitor power supply in harsh environments.
- Portable Devices: Its efficiency and low power consumption make it ideal for use in portable electronic devices, ensuring longer battery life and optimal performance.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















