UC3845NG4
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- Mfr.Part #
- UC3845NG4
- Manufacturer
- Texas Instruments
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC REG CTRLR MULT TOPOLOGY 8DIP
- Stock
- 467
- In Stock ：
- 467
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Pbfree Code :
- yes
- Base Part Number :
- UC3845
- Output Voltage :
- 5.1V
- Mounting Type :
- Through Hole
- Frequency :
- 450kHz
- Input Voltage-Nom :
- 15V
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Topology :
- Buck, Boost, Flyback, Forward Converter
- Terminal Pitch :
- 2.54mm
- Number of Outputs :
- 1
- Width :
- 6.35mm
- Output Configuration :
- Positive, Isolation Capable
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Fall Time (Typ) :
- 50 ns
- Control Mode :
- CURRENT-MODE
- Number of Terminations :
- 8
- Lifecycle Status :
- ACTIVE (Last Updated: 4 days ago)
- Surface Mount :
- No
- ECCN Code :
- EAR99
- Packaging :
- Tube
- Length :
- 9.81mm
- Thickness :
- 3.9mm
- Supply Current-Max (Isup) :
- 25mA
- Output Type :
- Transistor Driver
- RoHS Status :
- ROHS3 Compliant
- Operating Temperature :
- 0°C~70°C TA
- Output Current :
- 200mA
- JESD-609 Code :
- e4
- Lead Free :
- Lead Free
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Switcher Configuration :
- Buck-Boost
- Height :
- 5.08mm
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Factory Lead Time :
- 6 Weeks
- Weight :
- 528.605208mg
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- REACH SVHC :
- No SVHC
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Control Features :
- Frequency Control
- Duty Cycle (Max) :
- 48%
- Power Dissipation :
- 1W
- Rise Time :
- 50ns
- Input Current :
- 11mA
- Number of Pins :
- 8
- Frequency - Switching :
- 500kHz
- Terminal Position :
- Dual
- Control Technique :
- PULSE WIDTH MODULATION
- Max Duty Cycle :
- 50 %
- Nominal Input Voltage :
- 25V
- Synchronous Rectifier :
- No
- Datasheets
- UC3845NG4
DC DC Switching Controllers Texas Instruments UC3845NG4 Overview
The UC3845NG4 by Texas Instruments stands as a premier solution in the DC DC Switching Controllers category, engineered to facilitate robust and efficient power management. This integrated circuit is designed to control multiple topologies, including boost, buck, flyback, and forward converters, making it highly versatile for a range of power supply applications. Its 8-pin DIP (Dual In-line Package) allows for straightforward integration into existing systems, emphasizing ease of use alongside advanced technological capabilities. The UC3845NG4 ensures enhanced performance with its high-frequency operation and optimized power handling, positioning it as a critical component for developers looking to enhance system reliability and efficiency.
UC3845NG4 Features
The UC3845NG4 is packed with features that make it a powerful choice for managing complex power systems. Key features include a programmable switching frequency up to 500 kHz, a wide input voltage range, and built-in error amplifiers with a low start-up current of just 1 mA. Additionally, it includes under-voltage lockout for safe operation, current limiting, and thermal shutdown capabilities to protect the circuit under extreme conditions. These features ensure that the UC3845NG4 delivers reliable and consistent performance, crucial for demanding electronic applications.
UC3845NG4 Applications
- Power Supplies: Utilized in the design of both isolated and non-isolated power supplies, the UC3845NG4 efficiently manages power conversion and regulation, ensuring stable output for various electronic devices.
- DC-DC Converters: This IC is pivotal in developing DC-DC converter systems that require precise voltage regulation and power efficiency, ideal for automotive and industrial applications.
- Battery Chargers: The UC3845NG4 is employed in sophisticated battery charging systems, offering controlled charging rates and enhancing battery lifespan and performance.
- LED Drivers: Capable of driving LED setups, it ensures consistent luminosity and power efficiency, making it suitable for lighting solutions in both commercial and residential environments.
- Telecommunications Equipment: It provides reliable power management solutions in telecommunication infrastructures, supporting the critical operations of communication networks.
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