UC3844BN
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- Mfr.Part #
- UC3844BN
- Manufacturer
- STMicroelectronics
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC REG CTRLR PWM CM 8-MINIDIP
- Stock
- 2,084
- In Stock ：
- 2,084
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- Manufacturer :
- STMicroelectronics
- Product Category :
- DC DC Switching Controllers
- Threshold Voltage :
- 17.5V
- Factory Lead Time :
- 8 Weeks
- Fall Time (Typ) :
- 50 ns
- Terminal Finish :
- Tin (Sn)
- Published :
- 2002
- Number of Pins :
- 8
- RoHS Status :
- ROHS3 Compliant
- Power Dissipation :
- 1.25W
- Output Configuration :
- Positive
- Max Supply Current :
- 17mA
- REACH SVHC :
- No SVHC
- Control Features :
- Frequency Control
- Switcher Configuration :
- Single
- JESD-609 Code :
- e3
- Synchronous Rectifier :
- No
- Control Technique :
- PULSE WIDTH MODULATION
- Input Voltage (Max) :
- 25V
- Output Voltage :
- 13.4V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Frequency - Switching :
- Up to 500kHz
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- ECCN Code :
- EAR99
- Halogen Free :
- Halogen Free
- Height :
- 3.44mm
- Rise Time :
- 50ns
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Input Voltage-Nom :
- 15V
- Terminal Position :
- Dual
- Number of Terminations :
- 8
- Mount :
- Through Hole
- Lead Free :
- Lead Free
- Function :
- Step-Up, Step-Up/Step-Down
- Base Part Number :
- UC384*B
- Frequency :
- 250kHz
- Terminal Pitch :
- 2.54mm
- Output Current :
- 200mA
- Operating Temperature :
- 0°C~70°C TA
- Peak Reflow Temperature (Cel) :
- 260
- Input Bias Current :
- -2μA
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Max Duty Cycle :
- 48 %
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Mounting Type :
- Through Hole
- Packaging :
- Tube
- Pbfree Code :
- yes
- Width :
- 6.6mm
- Output Type :
- Transistor Driver
- Topology :
- Boost, Flyback
- Control Mode :
- CURRENT-MODE
- Length :
- 10.16mm
- Voltage - Supply (Vcc/Vdd) :
- 10V~36V
- Number of Outputs :
- 1
- Datasheets
- UC3844BN
DC DC Switching Controllers STMicroelectronics UC3844BN Overview
The UC3844BN from STMicroelectronics stands as a prominent DC DC Switching Controller, designed to enhance the efficiency and reliability of power supply circuits. This component operates as a PWM (Pulse Width Modulation) controller, equipped within an 8-MINIDIP package, making it ideal for compact designs that require precise voltage regulation. Its capability to manage and optimize power distribution makes the UC3844BN an essential choice for developers looking to improve the operational stability of their applications. This "DC DC Switching Controllers STMicroelectronics UC3844BN" is pivotal for ensuring consistent performance and enhancing the power management system's adaptability to varying loads and conditions.
UC3844BN Features
The UC3844BN controller is noted for its high performance, which includes features such as enhanced line regulation, improved output accuracy, and low power consumption. Key features include a wide operating range, built-in error amplification, and an under-voltage lockout for improved safety and efficiency. Additionally, its ability to operate at high frequencies allows for smaller-sized components in the circuit design, reducing overall system costs and increasing the feasibility of compact, efficient designs.
UC3844BN Applications
- Power Supplies: Utilized in switching power supplies where efficient energy conversion is critical. The UC3844BN regulates voltage to ensure stable power output.
- LED Drivers: Applies to LED lighting systems requiring constant current. It controls the PWM to adjust brightness and improve energy efficiency.
- Battery Chargers: Essential for applications needing controlled battery charging. The device manages the charging rate to maximize battery life and safety.
- Telecommunication Equipment: Used in telecom infrastructures to regulate power supplies, ensuring reliable operation across varying load conditions.
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