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
- Max Supply Current :
- 17mA
- Frequency - Switching :
- Up to 500kHz
- Terminal Pitch :
- 2.54mm
- Number of Pins :
- 8
- Function :
- Step-Up, Step-Up/Step-Down
- Synchronous Rectifier :
- No
- Output Configuration :
- Positive
- Output Voltage :
- 13.4V
- Frequency :
- 250kHz
- RoHS Status :
- ROHS3 Compliant
- Input Voltage-Nom :
- 15V
- Input Voltage (Max) :
- 25V
- REACH SVHC :
- No SVHC
- JESD-609 Code :
- e3
- Switcher Configuration :
- Single
- Lead Free :
- Lead Free
- Control Mode :
- CURRENT-MODE
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Pbfree Code :
- yes
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Max Duty Cycle :
- 48 %
- Halogen Free :
- Halogen Free
- Mounting Type :
- Through Hole
- Width :
- 6.6mm
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Output Current :
- 200mA
- Base Part Number :
- UC384*B
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Mount :
- Through Hole
- Number of Outputs :
- 1
- Packaging :
- Tube
- Threshold Voltage :
- 17.5V
- Output Type :
- Transistor Driver
- Terminal Position :
- Dual
- Operating Temperature :
- 0°C~70°C TA
- Topology :
- Boost, Flyback
- ECCN Code :
- EAR99
- Fall Time (Typ) :
- 50 ns
- Control Technique :
- PULSE WIDTH MODULATION
- Number of Terminations :
- 8
- Published :
- 2002
- Input Bias Current :
- -2μA
- Terminal Finish :
- Tin (Sn)
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Control Features :
- Frequency Control
- Power Dissipation :
- 1.25W
- Voltage - Supply (Vcc/Vdd) :
- 10V~36V
- Height :
- 3.44mm
- Length :
- 10.16mm
- Peak Reflow Temperature (Cel) :
- 260
- Factory Lead Time :
- 8 Weeks
- Rise Time :
- 50ns
- 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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