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
- Supply Current-Max (Isup) :
- 25mA
- Lead Free :
- Lead Free
- Output Voltage :
- 13.5V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Number of Outputs :
- 1
- Output Current :
- 1A
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- ECCN Code :
- EAR99
- Control Mode :
- CURRENT-MODE
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Surface Mount :
- yes
- Terminal Form :
- Gull wing
- Max Duty Cycle :
- 100 %
- Fall Time (Typ) :
- 50 ns
- RoHS Status :
- ROHS3 Compliant
- Pbfree Code :
- yes
- Width :
- 3.91mm
- Thickness :
- 1.58mm
- Rise Time :
- 50ns
- Duty Cycle (Max) :
- 97%
- Height :
- 1.75mm
- Packaging :
- Tube
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Frequency - Switching :
- Up to 500kHz
- Control Features :
- Frequency Control
- Input Voltage-Nom :
- 15V
- Control Technique :
- PULSE WIDTH MODULATION
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Synchronous Rectifier :
- No
- Number of Pins :
- 8
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Peak Reflow Temperature (Cel) :
- 260
- Length :
- 4.9mm
- Frequency :
- 450kHz
- Output Type :
- Transistor Driver
- JESD-609 Code :
- e4
- Factory Lead Time :
- 6 Weeks
- Mounting Type :
- Surface Mount
- Number of Terminations :
- 8
- Lifecycle Status :
- ACTIVE (Last Updated: 6 days ago)
- Weight :
- 72.603129mg
- Operating Temperature :
- 0°C~70°C TA
- Terminal Position :
- Dual
- Output Configuration :
- Positive
- Base Part Number :
- UC3842
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Nominal Input Voltage :
- 25V
- 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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