UC3842D8
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- Mfr.Part #
- UC3842D8
- Manufacturer
- Texas Instruments
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR PWM CM 8SOIC
- Stock
- 40,890
- In Stock ：
- 40,890
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Width :
- 3.91mm
- Height :
- 1.75mm
- Length :
- 4.9mm
- Operating Temperature :
- 0°C~70°C TA
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Nominal Input Voltage :
- 25V
- Terminal Form :
- Gull wing
- Peak Reflow Temperature (Cel) :
- 260
- Terminal Position :
- Dual
- Frequency :
- 450kHz
- Rise Time :
- 50ns
- JESD-609 Code :
- e4
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- RoHS Status :
- ROHS3 Compliant
- Max Duty Cycle :
- 100 %
- Output Voltage :
- 13.5V
- Supply Current-Max (Isup) :
- 25mA
- Factory Lead Time :
- 6 Weeks
- Base Part Number :
- UC3842
- Output Type :
- Transistor Driver
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Frequency - Switching :
- Up to 500kHz
- Weight :
- 72.603129mg
- Input Voltage-Nom :
- 15V
- Mounting Type :
- Surface Mount
- Packaging :
- Tube
- Number of Pins :
- 8
- Thickness :
- 1.58mm
- Pbfree Code :
- yes
- Control Mode :
- CURRENT-MODE
- Number of Terminations :
- 8
- Synchronous Rectifier :
- No
- Surface Mount :
- yes
- Fall Time (Typ) :
- 50 ns
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Output Configuration :
- Positive
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Lead Free :
- Lead Free
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Lifecycle Status :
- ACTIVE (Last Updated: 6 days ago)
- Output Current :
- 1A
- Duty Cycle (Max) :
- 97%
- Control Features :
- Frequency Control
- Control Technique :
- PULSE WIDTH MODULATION
- Number of Outputs :
- 1
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- ECCN Code :
- EAR99
- Datasheets
- UC3842D8
DC DC Switching Controllers Texas Instruments UC3842D8 Overview
The UC3842D8 by Texas Instruments is a highly versatile PWM controller designed for DC DC switching applications. This integral component ensures efficient power management and conversion across a variety of electronic systems. Known for its robust performance and reliability, the UC3842D8 optimizes the use of power where voltage control and stability are crucial. Its compact 8SOIC package allows for seamless integration into space-constrained applications, making it an essential choice for designers looking to enhance system efficiency and durability. Employing the UC3842D8 can significantly improve the operational efficiency of power supplies, contributing to the overall performance and cost-effectiveness of electronic products.
UC3842D8 Features
The UC3842D8 boasts several features that make it standout for high-performance applications, including programmable switching frequency, low start-up current of under 0.5mA, and automatic feed-forward compensation. It also supports high-current totem-pole output which is capable of driving capacitive loads, alongside a wide bandwidth error amplifier. Moreover, its enhanced line and load response characteristics ensure that devices remain stable under varied environmental conditions.
UC3842D8 Applications
- Power Supplies: Utilizes its PWM capabilities to provide stable and efficient voltage regulation, essential for maintaining system reliability in consumer electronics and industrial equipment.
- DC-DC Converters: Employs its feed-forward compensation feature to adjust output in response to input voltage changes, ensuring consistent output in automotive and telecommunication infrastructures.
- Battery Chargers: Its ability to handle high-current outputs makes it suitable for fast and efficient charging solutions, vital for portable devices and electric vehicles.
- LED Lighting: The controller adapts to variations in input voltage to maintain consistent LED brightness and color, crucial for commercial and residential lighting systems.
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