UC3844ADTRG4
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- Mfr.Part #
- UC3844ADTRG4
- Manufacturer
- Texas Instruments
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR PWM CM 14SOIC
- Stock
- 21,262
- In Stock ：
- 21,262
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Supply Voltage :
- 11V
- Lead Free :
- Lead Free
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Output Configuration :
- Positive
- Length :
- 8.65mm
- Height :
- 1.75mm
- RoHS Status :
- ROHS3 Compliant
- Terminal Position :
- Dual
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Packaging :
- Tape and Reel (TR)
- Frequency :
- 450kHz
- Surface Mount :
- yes
- Number of Outputs :
- 1
- Input Voltage-Nom :
- 15V
- Weight :
- 122.413241mg
- JESD-609 Code :
- e4
- Duty Cycle (Max) :
- 48%
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Operating Temperature :
- 0°C~70°C TA
- Voltage - Supply (Vcc/Vdd) :
- 10V~30V
- Factory Lead Time :
- 6 Weeks
- Terminal Form :
- Gull wing
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Control Features :
- Frequency Control
- Supply Current-Max (Isup) :
- 25mA
- Fall Time (Typ) :
- 50 ns
- Rise Time :
- 50ns
- Base Part Number :
- UC3844
- Thickness :
- 1.58mm
- ECCN Code :
- EAR99
- Output Current :
- 200mA
- Peak Reflow Temperature (Cel) :
- 260
- Output Type :
- Transistor Driver
- Width :
- 3.91mm
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Number of Terminations :
- 14
- Frequency - Switching :
- Up to 500kHz
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Number of Pins :
- 14
- Mounting Type :
- Surface Mount
- Control Mode :
- CURRENT-MODE
- Synchronous Rectifier :
- No
- Pbfree Code :
- yes
- Control Technique :
- PULSE WIDTH MODULATION
- Output Voltage :
- 15V
- Max Duty Cycle :
- 50 %
- Nominal Input Voltage :
- 25V
- Lifecycle Status :
- ACTIVE (Last Updated: 1 week ago)
- Datasheets
- UC3844ADTRG4
DC DC Switching Controllers Texas Instruments UC3844ADTRG4 Overview
The Texas Instruments UC3844ADTRG4 is a high-performance PWM (Pulse Width Modulation) controller designed specifically for DC-DC switching power supplies. This integrated circuit provides a robust and efficient solution for managing power requirements in a variety of applications. With its ability to handle high-frequency operation and its inherent power-saving features, the UC3844ADTRG4 is tailored to meet the rigorous demands of modern electronic devices, ensuring reliable power management with minimal power loss. Its application flexibility makes it a prime choice for engineers looking to optimize their power supply designs.
UC3844ADTRG4 Features
- High-frequency operation up to 500 kHz
- Low start-up current of 1 mA
- Automatic feed-forward compensation
- Pulse-by-pulse current limiting
- Enhanced load response characteristics
- Under-voltage lockout with hysteresis
- Soft-start capability to reduce stress during start-up
UC3844ADTRG4 Applications
- Switching Power Supplies: The UC3844ADTRG4 optimizes efficiency and thermal performance in various switching power supply configurations, such as flyback and forward converters.
- DC-DC Converters: Ideal for use in DC-DC converter applications that require stable and reliable voltage regulation, especially in battery-powered devices.
- Power Inverters: This controller is suitable for power inverters used in renewable energy systems, providing consistent and efficient power conversion.
- Motor Control: Enhances performance in motor control circuits by regulating power supply to motors, ensuring smooth operation and longevity.
- LED Lighting: Used in LED lighting systems to control dimming and brightness levels, thereby optimizing energy consumption and extending LED lifespan.
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