UC3842BN
- Mfr.Part #
- UC3842BN
- Manufacturer
- STMicroelectronics
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC REG CTRLR PWM CM 8-MINIDIP
- Stock
- 1,060
- In Stock :
- 1,060
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- Manufacturer :
- STMicroelectronics
- Product Category :
- DC DC Switching Controllers
- Published :
- 1997
- Base Part Number :
- UC384*B
- RoHS Status :
- ROHS3 Compliant
- Synchronous Rectifier :
- No
- Control Technique :
- PULSE WIDTH MODULATION
- Width :
- 7.112mm
- Control Mode :
- CURRENT-MODE
- Topology :
- Boost, Flyback
- Halogen Free :
- Halogen Free
- Operating Temperature :
- 0°C~70°C TA
- Factory Lead Time :
- 8 Weeks
- Mount :
- Through Hole
- Input Bias Current :
- -2μA
- Output Type :
- Transistor Driver
- Function :
- Step-Up, Step-Up/Step-Down
- Terminal Position :
- Dual
- Pbfree Code :
- yes
- ECCN Code :
- EAR99
- Terminal Pitch :
- 2.54mm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Mounting Type :
- Through Hole
- Number of Outputs :
- 1
- Output Current :
- 200mA
- JESD-609 Code :
- e3
- Input Voltage (Max) :
- 25V
- Frequency - Switching :
- Up to 500kHz
- Input Voltage-Nom :
- 15V
- Control Features :
- Frequency Control
- REACH SVHC :
- No SVHC
- Switcher Configuration :
- Single
- Weight :
- 930.006106mg
- Terminal Finish :
- Tin (Sn)
- Voltage - Supply (Vcc/Vdd) :
- 10V~30V
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Lead Free :
- Lead Free
- Number of Pins :
- 8
- Output Configuration :
- Positive
- Peak Reflow Temperature (Cel) :
- 260
- Max Duty Cycle :
- 96 %
- Packaging :
- Tube
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Max Power Dissipation :
- 1.25W
- Fall Time (Typ) :
- 50 ns
- Number of Terminations :
- 8
- Max Supply Current :
- 17mA
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Length :
- 10.16mm
- Output Voltage :
- 13.4V
- Rise Time :
- 50ns
- Height :
- 4.953mm
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Power Dissipation :
- 1.25W
- Frequency :
- 250kHz
- Datasheets
- UC3842BN
UC3842BN Documents

DC DC Switching Controllers STMicroelectronics UC3842BN Overview
The STMicroelectronics UC3842BN is a robust PWM controller IC designed specifically for high-efficiency DC DC switching applications. This integrated circuit is housed in a compact 8-pin MiniDIP package, offering a versatile solution for advanced power management. With its ability to operate under a wide range of input voltages and its enhanced performance stability, the UC3842BN is ideal for developers looking to improve power solutions in both commercial and industrial environments. Its integration facilitates improved system reliability and efficiency, making it a key component in power supply design. This overview focuses on the professional attributes and capabilities of the UC3842BN, aiming to attract B2B customers interested in bulk purchases for high-performance applications.
UC3842BN Features
- High-performance PWM control
- Low start-up current (<1mA)
- Automatic feed-forward compensation
- Pulse-by-pulse current limiting
- Enhanced load response characteristics
- Under-voltage lockout with hysteresis
- Flexible operation with up to 500kHz switching frequency
UC3842BN Applications
- Power Supplies for Servers: Integrates seamlessly to provide stable voltage control, enhancing power efficiency and reliability in server farms.
- Telecommunication Equipment: Delivers precise power regulation required for high-demand telecommunication infrastructures.
- Consumer Electronics: Utilized in various consumer electronics to ensure consistent power delivery for improved device performance and safety.
- Battery Chargers: Ideal for managing the power in battery chargers, optimizing charge cycles and energy usage.
- LED Lighting Systems: Drives LED lighting solutions, offering stable currents that extend the life and efficiency of lighting components.
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