UC3844BVDR2
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- Mfr.Part #
- UC3844BVDR2
- Manufacturer
- onsemi
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR PWM CM 14-SOIC
- Stock
- 2,639
- In Stock ：
- 2,639
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- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- Factory Lead Time :
- 2 Weeks
- Control Mode :
- CURRENT-MODE
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Max Duty Cycle :
- 48 %
- Synchronous Rectifier :
- No
- RoHS Status :
- ROHS3 Compliant
- Terminal Form :
- Gull wing
- Base Part Number :
- UC384*B
- Input Voltage-Nom :
- 15V
- Published :
- 2008
- Control Technique :
- PULSE WIDTH MODULATION
- Control Features :
- Frequency Control
- Fall Time (Typ) :
- 50 ns
- Input Voltage (Max) :
- 25V
- Lifecycle Status :
- ACTIVE (Last Updated: 19 hours ago)
- Lead Free :
- Lead Free
- Halogen Free :
- Halogen Free
- Time@Peak Reflow Temperature-Max (s) :
- 40
- JESD-609 Code :
- e3
- Packaging :
- Tape and Reel (TR)
- ECCN Code :
- EAR99
- Output Type :
- Transistor Driver
- Switcher Configuration :
- Single
- Peak Reflow Temperature (Cel) :
- 260
- Width :
- 3.9mm
- Topology :
- Boost, Flyback
- Terminal Finish :
- Tin (Sn)
- Output Voltage :
- 5.1V
- Mount :
- Surface Mount
- Output Current :
- 1A
- Frequency - Switching :
- Up to 500kHz
- Rise Time :
- 50ns
- Number of Outputs :
- 1
- Mounting Type :
- Surface Mount
- Number of Terminations :
- 14
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Length :
- 8.65mm
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Voltage - Supply (Vcc/Vdd) :
- 10V~36V
- Output Configuration :
- Positive
- Terminal Position :
- Dual
- Operating Temperature :
- -40°C~105°C TA
- Number of Pins :
- 14
- Pbfree Code :
- yes
- Function :
- Step-Up, Step-Up/Step-Down
- Datasheets
- UC3844BVDR2
DC DC Switching Controllers onsemi UC3844BVDR2 Overview
The onsemi UC3844BVDR2 is a highly efficient PWM controller designed for optimized performance in DC to DC switching applications. This 14SOIC package regulator control IC is engineered to facilitate stable and reliable power supply conversions. The UC3844BVDR2 is particularly suitable for applications requiring precise voltage control and power efficiency, featuring several protective measures like under-voltage lockout and current limiting. Its versatility and robust design make it an essential component for developing advanced power management solutions, ideally catering to B2B clients looking to purchase in bulk for high-performance systems.
UC3844BVDR2 Features
The UC3844BVDR2 includes multiple features designed for enhanced power regulation efficiency and reliability. It offers a wide operating range with a startup voltage as low as 8.4 V and operating voltage up to 30 V. The device is equipped with a maximum duty cycle of up to 100% for continuous operation, along with programmable soft start functionality which allows for gradual increase in the duty cycle, helping to prevent stress on the power supply during startup. Its frequency compensation features ensure stable operation over various application conditions.
UC3844BVDR2 Applications
- Power Supplies: Used in designing both isolated and non-isolated power supplies, the UC3844BVDR2 ensures efficient power conversion and robust performance in fluctuating power environments.
- DC-DC Converters: Integral to the design of step-up or step-down converters, this controller helps in achieving efficient voltage regulation necessary for battery-powered devices and automotive applications.
- LED Lighting: Helps in the development of LED drivers that require constant current for optimal operation, ensuring long-lasting and stable LED performance.
- Telecommunications Equipment: Utilized in telecommunications infrastructure, where stable and reliable power supply is critical for uninterrupted service and operation.
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