UC3844DTRG4
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- Mfr.Part #
- UC3844DTRG4
- Manufacturer
- Texas Instruments
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR PWM CM 14-SOIC
- Stock
- 3,666
- In Stock ：
- 3,666
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Number of Terminations :
- 14
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Lifecycle Status :
- ACTIVE (Last Updated: 1 day ago)
- Control Mode :
- CURRENT-MODE
- Fall Time (Typ) :
- 50 ns
- Lead Free :
- Lead Free
- Operating Temperature :
- 0°C~70°C TA
- RoHS Status :
- ROHS3 Compliant
- Max Duty Cycle :
- 50 %
- Control Features :
- Frequency Control
- Control Technique :
- PULSE WIDTH MODULATION
- Pbfree Code :
- yes
- Number of Pins :
- 14
- JESD-609 Code :
- e4
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Output Voltage :
- 13.5V
- Terminal Form :
- Gull wing
- Terminal Position :
- Dual
- Thickness :
- 1.58mm
- Mounting Type :
- Surface Mount
- Rise Time :
- 50ns
- Duty Cycle (Max) :
- 48%
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Weight :
- 122.413241mg
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Synchronous Rectifier :
- No
- Output Current :
- 200mA
- Number of Outputs :
- 1
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Output Configuration :
- Positive
- ECCN Code :
- EAR99
- Base Part Number :
- UC3844
- Input Voltage-Nom :
- 15V
- Output Type :
- Transistor Driver
- Nominal Input Voltage :
- 25V
- Frequency :
- 450kHz
- Surface Mount :
- yes
- Peak Reflow Temperature (Cel) :
- 260
- Packaging :
- Tape and Reel (TR)
- Supply Current-Max (Isup) :
- 25mA
- Height :
- 1.75mm
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Factory Lead Time :
- 6 Weeks
- Frequency - Switching :
- Up to 500kHz
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Width :
- 3.91mm
- Length :
- 8.65mm
- Datasheets
- UC3844DTRG4
DC DC Switching Controllers Texas Instruments UC3844DTRG4 Overview
The Texas Instruments UC3844DTRG4 is a high-performance, fixed frequency, current-mode PWM controller integrated circuit. It is specifically designed for DC-DC switching controllers, facilitating efficient power management and robust operation in a wide array of electronic applications. With its precise control features, the UC3844DTRG4 enhances system reliability and simplifies complex power supply designs. This product is particularly suited for applications requiring tight control over output voltage and current, making it an essential component for developers and engineers focused on creating scalable and sustainable power solutions.
UC3844DTRG4 Features
The UC3844DTRG4 boasts several advanced features that make it a standout choice for power regulation. These include an adjustable output control, high current totem-pole output, and under-voltage lockout with hysteresis. Its high frequency operation up to 500 kHz allows smaller sized filter components, reducing overall design size. The device also features a low startup current of less than 1 mA, enhancing its efficiency and suitability for low power applications.
UC3844DTRG4 Applications
- Switching Power Supplies: Utilizes its PWM capabilities to provide stable and efficient power conversion, reducing energy loss in high-performance servers and telecom infrastructure.
- Battery Chargers: Applies its precise control mechanisms to manage and regulate the charging process, ensuring safety and efficiency in applications from consumer electronics to automotive battery management systems.
- DC-DC Converters: Leverages its current mode control to deliver consistent output in various industrial and automotive applications, ensuring reliable operation under fluctuating input conditions.
- LED Drivers: Supports driving LEDs with high efficiency and accuracy, suitable for lighting solutions that require consistent luminosity and color temperature.
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