UC3842N
- Mfr.Part #
- UC3842N
- Manufacturer
- Texas Instruments
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC REG CTRLR PWM CM 8DIP
- Stock
- 357
- In Stock :
- 357
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Packaging :
- Tube
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Output Configuration :
- Positive
- Input Voltage-Nom :
- 15V
- Width :
- 6.35mm
- Control Technique :
- PULSE WIDTH MODULATION
- Factory Lead Time :
- 6 Weeks
- Lifecycle Status :
- ACTIVE (Last Updated: 6 days ago)
- Supply Current-Max (Isup) :
- 25mA
- Surface Mount :
- No
- Height :
- 5.08mm
- Output Current :
- 1A
- JESD-609 Code :
- e4
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Number of Terminations :
- 8
- Synchronous Rectifier :
- No
- REACH SVHC :
- No SVHC
- Number of Outputs :
- 1
- Fall Time (Typ) :
- 50 ns
- Mounting Type :
- Through Hole
- Operating Temperature :
- 0°C~70°C TA
- Rise Time :
- 50ns
- Output Voltage :
- 13.5V
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Length :
- 9.81mm
- Control Features :
- Frequency Control
- RoHS Status :
- ROHS3 Compliant
- Max Duty Cycle :
- 100 %
- Weight :
- 528.605208mg
- Terminal Pitch :
- 2.54mm
- Frequency - Switching :
- Up to 500kHz
- Output Type :
- Transistor Driver
- Base Part Number :
- UC3842
- Terminal Position :
- Dual
- Lead Free :
- Lead Free
- Duty Cycle (Max) :
- 97%
- Nominal Input Voltage :
- 30V
- ECCN Code :
- EAR99
- Thickness :
- 3.9mm
- Number of Pins :
- 8
- Frequency :
- 450kHz
- Pbfree Code :
- yes
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Control Mode :
- CURRENT-MODE
- Datasheets
- UC3842N

DC DC Switching Controllers Texas Instruments UC3842N Overview
The UC3842N by Texas Instruments stands as a robust PWM controller IC tailored for high-performance DC DC Switching applications. Its design emphasizes stability, efficiency, and flexibility, making it an ideal choice for engineers and designers looking to enhance power supply solutions. Encased in an 8DIP package, this controller integrates advanced features for superior system reliability. The UC3842N ensures low startup current and offers optimized power handling capabilities to accommodate a variety of power applications, making it a preferred component in commercial and industrial markets.
UC3842N Features
The UC3842N incorporates several key features that make it particularly effective for sophisticated power management tasks. It boasts a trimmed oscillator for precise duty cycle control, a temperature-compensated reference, high current totem pole output, and a current limiting output driver. Additionally, its automatic feed-forward compensation and pulse-by-pulse current limiting enhance its performance in demanding environments.
UC3842N Applications
- Switch Mode Power Supplies (SMPS): The UC3842N controls the switching of power supply units, ensuring efficient energy conversion and stable output for various electronic devices.
- DC-DC Converters: Utilized in stepping up or down voltages in automotive and industrial applications, enhancing the reliability and efficiency of system power management.
- Battery Chargers: Its precise control capabilities enable optimized charging algorithms for fast and safe battery charging in consumer electronics and industrial tools.
- LED Drivers: The IC can be employed to provide consistent, stable current needed for powering LED arrays in lighting solutions, contributing to energy efficiency and longer lifespan of the LEDs.
You may place an order without registering to Xinshop. 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.
















