UC3844BVDG
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- Mfr.Part #
- UC3844BVDG
- Manufacturer
- onsemi
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR PWM CM 14-SOIC
- Stock
- 1
- In Stock ：
- 1
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- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Fall Time (Typ) :
- 50 ns
- Number of Outputs :
- 1
- Output Current :
- 1A
- Switcher Configuration :
- Single
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Terminal Position :
- Dual
- Synchronous Rectifier :
- No
- Input Voltage-Nom :
- 15V
- Number of Pins :
- 14
- Peak Reflow Temperature (Cel) :
- 260
- Terminal Finish :
- Tin (Sn)
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Width :
- 4mm
- RoHS Status :
- ROHS3 Compliant
- Packaging :
- Tube
- Operating Temperature :
- -40°C~105°C TA
- Frequency - Switching :
- Up to 500kHz
- Voltage - Supply (Vcc/Vdd) :
- 10V~36V
- Rise Time :
- 50ns
- Topology :
- Boost, Flyback
- Mounting Type :
- Surface Mount
- JESD-609 Code :
- e3
- Pbfree Code :
- yes
- Mount :
- Surface Mount
- Output Configuration :
- Positive
- Output Voltage :
- 5.1V
- Terminal Form :
- Gull wing
- Input Voltage (Max) :
- 25V
- Control Mode :
- CURRENT-MODE
- Length :
- 8.75mm
- Lead Free :
- Lead Free
- Factory Lead Time :
- 2 Weeks
- Control Technique :
- PULSE WIDTH MODULATION
- ECCN Code :
- EAR99
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Halogen Free :
- Halogen Free
- Number of Terminations :
- 14
- Base Part Number :
- UC384*B
- Control Features :
- Frequency Control
- Output Type :
- Transistor Driver
- Max Duty Cycle :
- 48 %
- Frequency :
- 275kHz
- Function :
- Step-Up, Step-Up/Step-Down
- Height :
- 1.5mm
- Published :
- 1999
- Datasheets
- UC3844BVDG
DC DC Switching Controllers onsemi UC3844BVDG Overview
The onsemi UC3844BVDG is a high-performance PWM controller designed for sophisticated DC-DC switching power supplies. This integrated circuit is engineered to facilitate robust and efficient power conversion in a wide array of electronic devices, ensuring reliable operation and enhanced power efficiency. The UC3844BVDG offers a unique combination of features that promote energy-saving while maintaining precise control over power supply operations, making it an ideal choice for developers looking to optimize their power management systems.
UC3844BVDG Features
The UC3844BVDG boasts several advanced features that set it apart in the realm of power management. Key features include programmable switching frequencies up to 500 kHz, a high current totem-pole output ideally suited for driving a power MOSFET, and automatic feed-forward compensation. Additionally, it supports high current and undervoltage lockout protections, making it exceptionally reliable in unstable voltage conditions. Its enhanced line regulation and double pulse suppression improve the overall performance and safety of the application.
UC3844BVDG Applications
- Switching Power Supplies: The UC3844BVDG controls power switching transistors with precision, effectively managing input voltage to deliver stable output in power supplies.
- DC-DC Converters: This controller is used in converters that require efficient voltage regulation, facilitating the conversion between different DC voltages with minimal energy loss.
- Battery Chargers: Suitable for charging applications, the UC3844BVDG ensures safe and efficient battery charging by controlling the rate of charge and voltage levels.
- LED Drivers: It is employed in LED lighting systems where constant and reliable power supply is necessary for steady light output and long life of the LEDs.
- Telecommunication Equipment: Ensures reliable power management in telecom infrastructures, maintaining consistent performance even under fluctuating power conditions.
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