E-UC3845BD1
- Mfr.Part #
- E-UC3845BD1
- Manufacturer
- STMicroelectronics
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR BOOST/FLYBACK 8SOIC
- Stock
- 16,244
- In Stock :
- 16,244
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- Manufacturer :
- STMicroelectronics
- Product Category :
- DC DC Switching Controllers
- Terminal Form :
- Gull wing
- Terminal Position :
- Dual
- Output Type :
- Transistor Driver
- Switcher Configuration :
- Single
- Base Part Number :
- UC3845
- Frequency :
- 250kHz
- Topology :
- Boost, Flyback
- Output Voltage :
- 5.1V
- Input Voltage-Nom :
- 15V
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Max Duty Cycle :
- 50 %
- Function :
- Step-Up/Step-Down
- Output Current :
- 1A
- Synchronous Rectifier :
- No
- Mount :
- Surface Mount
- ECCN Code :
- EAR99
- Output Configuration :
- Positive, Isolation Capable
- Number of Outputs :
- 1
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Width :
- 3.9mm
- Rise Time :
- 50ns
- Operating Temperature :
- 0°C~70°C TA
- Lead Free :
- Lead Free
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Number of Pins :
- 8
- Control Features :
- Frequency Control
- Frequency - Switching :
- Up to 500kHz
- Duty Cycle (Max) :
- 48%
- Length :
- 4.9mm
- Fall Time (Typ) :
- 50 ns
- Operating Supply Voltage :
- 30V
- Packaging :
- Tube
- Control Technique :
- PULSE WIDTH MODULATION
- Mounting Type :
- Surface Mount
- Control Mode :
- CURRENT-MODE
- RoHS Status :
- ROHS3 Compliant
- Number of Terminations :
- 8
- Datasheets
- E-UC3845BD1

DC DC Switching Controllers STMicroelectronics E-UC3845BD1 Overview
The E-UC3845BD1 by STMicroelectronics is a sophisticated DC DC switching controller specifically designed for boosting and flyback converter applications. This integrated circuit (IC) is housed in an 8-SOIC package, making it a compact yet powerful solution for advanced power management. Ideal for handling complex switching tasks, the E-UC3845BD1 ensures stable operation with its enhanced features including programmable switching frequencies and integrated soft-start functionality. With its robust design and high reliability, the DC DC Switching Controllers STMicroelectronics E-UC3845BD1 is a premier choice for developers looking to optimize power efficiency and performance in their systems.
E-UC3845BD1 Features
The E-UC3845BD1 includes multiple features that make it a versatile component in power supply design:
- High-performance current mode PWM controller
- Adjustable output for precise control
- Integrated soft-start minimizes stress during the initial power-up phase
- Under-voltage lockout for enhanced safety and efficiency
- Programmable frequency up to 500 kHz allowing flexibility in design
- Low startup current and operation directly from the high-voltage rail possible
E-UC3845BD1 Applications
- Power Supplies: Utilized in the development of both isolated and non-isolated power supplies, enhancing efficiency and reliability.
- LED Drivers: Serves as a control element in LED drivers for precise brightness and color control.
- Battery Chargers: Manages the power regulation for battery chargers, ensuring safe and efficient charging cycles.
- Consumer Electronics: Integrated into various consumer electronics to optimize power usage and prolong device life.
- Telecommunications Equipment: Provides stable power control within telecommunications infrastructure, crucial for system reliability.
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