UC3845ADWTRG4
- Mfr.Part #
- UC3845ADWTRG4
- Manufacturer
- Texas Instruments
- Package / Case
- 16-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR MULT TOP 16SOIC
- Stock
- 993
- In Stock :
- 993
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Mounting Type :
- Surface Mount
- Duty Cycle (Max) :
- 48%
- ECCN Code :
- EAR99
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Output Voltage :
- 15V
- Frequency - Switching :
- 500kHz
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Control Features :
- Frequency Control
- Operating Temperature :
- 0°C~70°C TA
- Output Current :
- 200mA
- Synchronous Rectifier :
- No
- Terminal Form :
- Gull wing
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Terminal Position :
- Dual
- Number of Pins :
- 16
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Height Seated (Max) :
- 2.65mm
- Frequency :
- 450kHz
- Surface Mount :
- yes
- Switcher Configuration :
- Single
- Output Type :
- Transistor Driver
- Width :
- 7.5mm
- Fall Time (Typ) :
- 50 ns
- Control Mode :
- CURRENT-MODE
- Packaging :
- Tape and Reel (TR)
- Max Duty Cycle :
- 50 %
- Number of Outputs :
- 1
- Rise Time :
- 50ns
- Output Configuration :
- Positive, Isolation Capable
- Topology :
- Buck, Boost, Flyback, Forward Converter
- Base Part Number :
- UC3845
- Input Voltage-Nom :
- 15V
- Control Technique :
- PULSE WIDTH MODULATION
- Number of Terminations :
- 16
- Nominal Input Voltage :
- 25V
- Operating Supply Voltage :
- 30V
- Package / Case :
- 16-SOIC (0.295, 7.50mm Width)
- RoHS Status :
- ROHS3 Compliant
- Datasheets
- UC3845ADWTRG4

DC DC Switching Controllers Texas Instruments UC3845ADWTRG4 Overview
The Texas Instruments UC3845ADWTRG4 is a sophisticated DC DC Switching Controller designed for high performance in various power management applications. This component ensures reliable and efficient control of power supplies with its advanced circuitry. The UC3845ADWTRG4 operates at high frequencies which allow for smaller sized components to be used in the circuit design, reducing overall system cost and enhancing performance. Its versatility and robust design make it an ideal choice for designers looking to optimize their power solutions with state-of-the-art technology.
UC3845ADWTRG4 Features
- High-performance pulse width modulation (PWM) controller
- Operating frequency up to 500 kHz
- Enhanced load response characteristics
- Low start-up current of 0.5 mA (typical)
- Integrated 1.0 A peak output current capability
- Under-voltage lockout with hysteresis
- Programmable soft-start feature to minimize start-up stress
UC3845ADWTRG4 Applications
- Power Supplies: Utilized in both isolated and non-isolated configurations, enhancing efficiency and reliability.
- DC-DC Converters: Perfect for stepping up or stepping down voltages with precision control in portable devices and automotive applications.
- Battery Chargers: Ensures stable charging and maximizes battery life for everything from small consumer electronics to larger automotive batteries.
- LED Lighting: Drives LED strings with precise current control, essential for consistent brightness and color over time.
- Telecommunications Equipment: Powers complex telecom systems reliably, ensuring they operate without interruption and at optimal energy levels.
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