UC3842AN
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- Mfr.Part #
- UC3842AN
- Manufacturer
- Texas Instruments
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC REG CTRLR PWM CM 8DIP
- Stock
- 628
- In Stock ：
- 628
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Length :
- 9.81mm
- Frequency - Switching :
- Up to 500kHz
- Max Input Voltage :
- 25V
- Factory Lead Time :
- 6 Weeks
- Width :
- 6.35mm
- Voltage - Supply (Vcc/Vdd) :
- 10V~30V
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Packaging :
- Tube
- Rise Time :
- 50ns
- Input Voltage-Nom :
- 15V
- Output Voltage :
- 15V
- ECCN Code :
- EAR99
- Control Mode :
- CURRENT-MODE
- Mounting Type :
- Through Hole
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Supply Current-Max (Isup) :
- 25mA
- Height :
- 5.08mm
- Thickness :
- 3.9mm
- Input Current :
- 11mA
- RoHS Status :
- ROHS3 Compliant
- Output Current :
- 1A
- JESD-609 Code :
- e4
- Duty Cycle (Max) :
- 96%
- Control Features :
- Frequency Control
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Max Duty Cycle :
- 100 %
- Surface Mount :
- No
- Fall Time (Typ) :
- 50 ns
- Synchronous Rectifier :
- No
- Max Output Current :
- 1A
- Termination :
- Through Hole
- Number of Outputs :
- 1
- Weight :
- 528.605208mg
- Max Output Voltage :
- 13.5V
- Terminal Position :
- Dual
- Power Dissipation :
- 1W
- Number of Pins :
- 8
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Terminal Pitch :
- 2.54mm
- Number of Terminations :
- 8
- Control Technique :
- PULSE WIDTH MODULATION
- Max Power Dissipation :
- 1W
- Output Configuration :
- Positive
- Operating Temperature :
- 0°C~70°C TA
- Pbfree Code :
- yes
- Supply Voltage :
- 11V
- Reference Voltage :
- 5V
- Lead Free :
- Lead Free
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Tolerance :
- 2%
- Frequency :
- 450kHz
- REACH SVHC :
- No SVHC
- Base Part Number :
- UC3842
- Nominal Input Voltage :
- 25V
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Lifecycle Status :
- ACTIVE (Last Updated: 6 days ago)
- Output Type :
- Transistor Driver
- Datasheets
- UC3842AN
DC DC Switching Controllers Texas Instruments UC3842AN Overview
The Texas Instruments UC3842AN is a high-performance PWM (Pulse Width Modulation) controller specifically designed for DC to DC switching power supplies. As a crucial component in power management technology, this IC (Integrated Circuit) is engineered to offer precise voltage regulation and efficiency. Ideal for applications requiring consistent and reliable power conversion, the UC3842AN integrates innovative features that cater to a broad range of industrial and consumer electronic devices. Its robust design and Texas Instruments' proven technology make the UC3842AN a preferred choice for designers looking to optimize power solutions while maintaining compact system sizes and reducing operational costs.
UC3842AN Features
The UC3842AN incorporates several key features that enhance its functionality in various power management scenarios. These include a programmable oscillator, automatic feed-forward compensation, pulse-by-pulse current limiting, and under-voltage lockout protection with hysteresis. Additionally, its low startup current (typically 0.5 mA) and direct drive capability of the MOSFET or transistor in the power supply circuit contribute to its efficiency and reliability.
UC3842AN Applications
- Switching Power Supplies: Utilized for its efficient control of power transfer and voltage regulation in both isolated and non-isolated configurations. It ensures stable and reliable power supply performance, crucial for sensitive electronic devices.
- DC-DC Converters: The UC3842AN manages the conversion of DC voltage levels with enhanced precision, making it suitable for applications that require different voltage levels from a single power source.
- Battery Chargers: Its precise control capabilities are employed in battery charging stations to manage the power flow, optimizing the charging cycle and prolonging battery life.
- LED Drivers: It is used in driving LED arrays, providing constant current despite variations in input voltage, which is essential for maintaining consistent brightness and color.
- Power Supply for Telecommunication Equipment: The UC3842AN helps ensure uninterrupted power supplies in telecommunication infrastructure, critical for maintaining system reliability and connectivity.
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