UC3843D
Or copy the link below:
- Mfr.Part #
- UC3843D
- Manufacturer
- Fairchild Semiconductor
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- SWITCHING CONTROLLER
- Stock
- 12,403
- In Stock ：
- 12,403
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Fairchild Semiconductor
- Product Category :
- DC DC Switching Controllers
- Length :
- 4.9mm
- Terminal Position :
- Dual
- Width :
- 3.91mm
- Frequency - Switching :
- Up to 500kHz
- Duty Cycle (Max) :
- 97%
- Lead Free :
- Lead Free
- Lifecycle Status :
- ACTIVE (Last Updated: 1 day ago)
- Factory Lead Time :
- 6 Weeks
- Synchronous Rectifier :
- No
- Supply Current-Max (Isup) :
- 25mA
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- ECCN Code :
- EAR99
- RoHS Status :
- ROHS3 Compliant
- Output Current :
- 200mA
- Frequency :
- 450kHz
- Output Configuration :
- Positive
- Operating Supply Current :
- 11mA
- Packaging :
- Tube
- JESD-609 Code :
- e4
- Number of Terminations :
- 8
- Number of Pins :
- 8
- Control Technique :
- PULSE WIDTH MODULATION
- Thickness :
- 1.58mm
- Input Voltage-Nom :
- 15V
- Quiescent Current :
- 11mA
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Number of Outputs :
- 1
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Peak Reflow Temperature (Cel) :
- 260
- Base Part Number :
- UC3843
- Operating Temperature :
- 0°C~70°C TA
- Control Mode :
- CURRENT-MODE
- Power Dissipation :
- 650mW
- Output Voltage :
- 5V
- Rise Time :
- 50ns
- Fall Time (Typ) :
- 50 ns
- Terminal Form :
- Gull wing
- Nominal Input Voltage :
- 15V
- Input Current :
- 11mA
- Surface Mount :
- yes
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Max Duty Cycle :
- 100 %
- REACH SVHC :
- No SVHC
- Mounting Type :
- Surface Mount
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Pbfree Code :
- yes
- Height :
- 1.75mm
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Output Type :
- Transistor Driver
- Control Features :
- Frequency Control
- Weight :
- 72.603129mg
- Datasheets
- UC3843D
DC DC Switching Controllers Fairchild Semiconductor UC3843D Overview
The UC3843D by Fairchild Semiconductor stands as a robust and versatile DC DC Switching Controller, specifically engineered to manage and optimize power conversion in complex electronic systems. As a critical component in power supply design, this controller integrates innovative technologies to enhance system efficiency and reliability. Its primary function is to facilitate efficient switching of power devices, thereby minimizing power loss and improving overall performance. The design and specifications of the UC3843D make it ideal for high-demand applications, where stable and continuous power supply is crucial. Employing this controller can significantly enhance system stability and extend the operational life of electronic components, making it a valuable asset for designers and manufacturers aiming to boost the efficiency of their power supply solutions.
UC3843D Features
The UC3843D features several key attributes that make it a standout choice for power management. It includes a programmable switching frequency up to 500 kHz, allowing for flexible design choices in power supply circuitry. Additionally, it offers enhanced pulse-by-pulse current limiting which provides excellent protection against short circuits and overloads, ensuring the safety and durability of the application. Its low startup current and high efficiency are designed to optimize power usage and reduce operational costs.
UC3843D Applications
- Power Supplies for Consumer Electronics: The UC3843D is used in the power regulation systems of TVs, computers, and other consumer electronics, ensuring efficient power delivery and enhanced reliability of these devices.
- LED Drivers: It serves as a crucial component in LED driving circuits, enabling consistent and stable LED performance through precise control of power delivery.
- Charging Systems for Batteries: This controller is applied in various charging systems, particularly for lithium-ion batteries, where it helps to regulate the power input to maintain safe and efficient charging cycles.
- Telecommunication Equipment: In telecom power systems, the UC3843D ensures stable and reliable power management, crucial for maintaining the integrity and performance of communication networks.
- Industrial Systems: It is also widely used in industrial applications, where robust power control is needed to handle heavy loads and prevent power supply disruptions.
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.
Manufacturer related products
Catalog related products
Related products
- Follow Us
-
- Payment
-
- Subscribe
- Certification
-
-
