UC2844ADTRG4
- Mfr.Part #
- UC2844ADTRG4
- Manufacturer
- Texas Instruments
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC PWM BUCK BST FLYBCK CM 14SOIC
- Stock
- 18,495
- In Stock :
- 18,495
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- RoHS Status :
- ROHS3 Compliant
- Number of Terminations :
- 14
- Supply Voltage :
- 11V
- Rise Time :
- 50ns
- Output Current :
- 200mA
- Synchronous Rectifier :
- No
- Frequency - Switching :
- Up to 500kHz
- Control Mode :
- CURRENT-MODE
- Frequency :
- 450kHz
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Width :
- 3.9mm
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Max Duty Cycle :
- 50 %
- Base Part Number :
- UC2844
- Output Configuration :
- Positive
- Lead Free :
- Lead Free
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Voltage - Supply (Vcc/Vdd) :
- 10V~30V
- Packaging :
- Tape and Reel (TR)
- Nominal Input Voltage :
- 25V
- Mounting Type :
- Surface Mount
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Weight :
- 122.413241mg
- Switcher Configuration :
- Single
- Peak Reflow Temperature (Cel) :
- 260
- Output Type :
- Transistor Driver
- Operating Temperature :
- -40°C~85°C TA
- Fall Time (Typ) :
- 50 ns
- Terminal Position :
- Dual
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Duty Cycle (Max) :
- 48%
- Terminal Form :
- Gull wing
- Input Voltage-Nom :
- 15V
- JESD-609 Code :
- e4
- Control Features :
- Frequency Control
- Output Voltage :
- 15V
- Length :
- 8.65mm
- Control Technique :
- PULSE WIDTH MODULATION
- Surface Mount :
- yes
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- ECCN Code :
- EAR99
- Number of Outputs :
- 1
- Number of Pins :
- 14
- Datasheets
- UC2844ADTRG4

DC DC Switching Controllers Texas Instruments UC2844ADTRG4 Overview
The UC2844ADTRG4 from Texas Instruments is a high-performance DC DC switching controller designed for a broad spectrum of power supply applications. This robust component is optimized for creating efficient buck, boost, and flyback converters, making it an essential choice for engineers aiming to improve system reliability and performance. With its precision voltage reference and an integrated 500kHz oscillator, the UC2844ADTRG4 offers precise control, facilitating smoother power conversion and enhanced energy efficiency. This makes it an indispensable tool for developers looking to harness sophisticated power management capabilities in their electronics designs.
UC2844ADTRG4 Features
The UC2844ADTRG4 includes several key features that distinguish it in the market. It boasts a wide operating range with input voltages up to 30V and an output switching capacity that can handle frequencies up to 500 kHz. Its programmable soft-start function minimizes stress on the initial power-up sequence, thereby enhancing component longevity and reliability. Additionally, its integrated current-mode control provides improved transient response and simplified loop compensation. The device is also equipped with under-voltage lockout and over-current protection, which safeguard the circuit against potential damage from abnormal operating conditions.
UC2844ADTRG4 Applications
- Power Supply Units: The UC2844ADTRG4 is used in designing adaptive control power supplies that require efficient voltage regulation and power optimization. Its features ensure stable operation over a variety of conditions.
- LED Lighting: Utilized in LED lighting systems, this IC manages power efficiently, ensuring consistent illumination while extending the lifespan of lighting components.
- Chargers: Ideal for battery chargers, where it helps in implementing energy-efficient charging solutions that prolong battery life and enhance safety through precise control and protection features.
- Telecommunication Equipment: In telecom power systems, the UC2844ADTRG4 enhances power management solutions, accommodating fluctuating power demands while maintaining high efficiency and reliability.
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