UC3842N
- Mfr.Part #
- UC3842N
- Manufacturer
- onsemi
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC REG CTRLR PWM CM 8-DIP
- Stock
- 3,876
- In Stock :
- 3,876
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- Synchronous Rectifier :
- No
- Terminal Pitch :
- 2.54mm
- Output Voltage :
- 13.5V
- ECCN Code :
- EAR99
- Duty Cycle (Max) :
- 97%
- JESD-609 Code :
- e4
- Nominal Input Voltage :
- 30V
- Control Features :
- Frequency Control
- Fall Time (Typ) :
- 50 ns
- Mounting Type :
- Through Hole
- Lifecycle Status :
- ACTIVE (Last Updated: 6 days ago)
- Width :
- 6.35mm
- Input Voltage-Nom :
- 15V
- Weight :
- 528.605208mg
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Number of Pins :
- 8
- Lead Free :
- Lead Free
- Output Current :
- 1A
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Operating Temperature :
- 0°C~70°C TA
- Thickness :
- 3.9mm
- Rise Time :
- 50ns
- Length :
- 9.81mm
- RoHS Status :
- ROHS3 Compliant
- Max Duty Cycle :
- 100 %
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Output Configuration :
- Positive
- Control Technique :
- PULSE WIDTH MODULATION
- Base Part Number :
- UC3842
- Output Type :
- Transistor Driver
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Number of Outputs :
- 1
- Control Mode :
- CURRENT-MODE
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Supply Current-Max (Isup) :
- 25mA
- Packaging :
- Tube
- Factory Lead Time :
- 6 Weeks
- Pbfree Code :
- yes
- REACH SVHC :
- No SVHC
- Number of Terminations :
- 8
- Terminal Position :
- Dual
- Frequency :
- 450kHz
- Frequency - Switching :
- Up to 500kHz
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Height :
- 5.08mm
- Surface Mount :
- No
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Datasheets
- UC3842N

DC DC Switching Controllers onsemi UC3842N Overview
The onsemi UC3842N is an integral component in modern power management technology. Designed for superior performance in DC-DC switching controllers, this IC regulates PWM (Pulse Width Modulation) in a compact 8-DIP (Dual In-line Package). The UC3842N stands out for its reliability and efficiency in managing and converting power in electronic devices. With its robust design and advanced technology, the UC3842N is perfect for developers looking to improve the energy efficiency of their systems. This product is particularly valuable in high-performance applications requiring precise voltage regulation and power sequencing, making it a cornerstone in the development of sustainable electronic solutions.
UC3842N Features
The UC3842N incorporates several features that make it highly efficient and versatile for various power management applications. These include a wide operating range, high-frequency operation which minimizes the size of power supply components, and built-in protection features such as under-voltage lockout and current limiting. Its enhanced stability and low power consumption make it an ideal choice for sophisticated power supply systems.
UC3842N Applications
- Switching Power Supplies: The UC3842N excels in controlling switch mode power supplies (SMPS) by efficiently managing power distribution and conversion, resulting in enhanced power supply reliability and performance.
- DC-DC Converters: Utilized in DC-DC conversion systems, the UC3842N helps in stepping up or stepping down voltages efficiently, which is crucial for battery-operated devices where power efficiency is critical.
- Motor Control: In motor control circuits, the UC3842N is used to modulate the power supplied to motors, enabling precise speed and torque control, which is essential in industrial automation and robotics.
- LED Drivers: The UC3842N is also used in LED driving applications for regulating the power supplied to LEDs, ensuring consistent light output and extending the lifespan of LED arrays.
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.
















