UC3845BD1
- Mfr.Part #
- UC3845BD1
- Manufacturer
- onsemi
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR BOOST/FLYBACK 8SOIC
- Stock
- 1,416
- In Stock :
- 1,416
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- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- Topology :
- Boost, Flyback
- Control Features :
- Frequency Control
- JESD-609 Code :
- e4
- Frequency :
- 500kHz
- Operating Temperature :
- -40°C~150°C TJ
- Output Type :
- Transistor Driver
- ECCN Code :
- EAR99
- Length :
- 5mm
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Mount :
- Surface Mount
- Output Voltage :
- 5.1V
- Rise Time :
- 50ns
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Input Voltage (Max) :
- 30V
- Synchronous Rectifier :
- No
- Input Voltage-Nom :
- 15V
- Function :
- Step-Up/Step-Down
- Max Duty Cycle :
- 50 %
- Control Mode :
- CURRENT-MODE
- Output Configuration :
- Positive, Isolation Capable
- Height :
- 1.25mm
- Factory Lead Time :
- 10 Weeks
- Control Technique :
- PULSE WIDTH MODULATION
- RoHS Status :
- ROHS3 Compliant
- Terminal Position :
- Dual
- Duty Cycle (Max) :
- 48%
- Number of Outputs :
- 1
- Peak Reflow Temperature (Cel) :
- 260
- Number of Pins :
- 8
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Lifecycle Status :
- ACTIVE (Last Updated: 7 months ago)
- Terminal Form :
- Gull wing
- Output Current :
- 1A
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Packaging :
- Tube
- Switcher Configuration :
- Single
- Width :
- 4mm
- Base Part Number :
- UC3845
- Mounting Type :
- Surface Mount
- Fall Time (Typ) :
- 50 ns
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Number of Terminations :
- 8
- Datasheets
- UC3845BD1

DC DC Switching Controllers onsemi UC3845BD1 Overview
Exploring the pinnacle of power management solutions, the DC DC Switching Controllers onsemi UC3845BD1 emerges as an exceptional choice for designers focusing on efficiency and reliability. This device, created by the leading semiconductor manufacturer onsemi, is an integrated circuit specifically designed for the robust control of boost and flyback converters. The component's form factor, a compact 8SOIC package, ensures a minimal footprint on printed circuit boards (PCBs), making it an ideal candidate for size-sensitive applications. It excels in performance, offering a range of features that make it adaptable to a variety of demanding power environments.
UC3845BD1 Features
- High-performance current mode PWM controller
- Automatic feed forward compensation
- Pulse-by-pulse current limiting
- Enhanced load response characteristics
- Under-voltage lockout with hysteresis
- Low startup and operating current
UC3845BD1 Applications
- Power Supplies for Desktops and Servers
In desktop and server power supplies, the UC3845BD1 controls the power conversion process, ensuring stable and efficient voltage regulation to safeguard critical components.
- LED Lighting Systems
For LED lighting systems, this IC aids in managing the intricate requirements for constant current supply, which is crucial for maintaining uniform brightness and prolonging LED life.
- Battery Chargers
This device is instrumental in battery charger circuits, providing precise power management to optimize charge cycles and maintain battery health.
- DC-DC Converters
The IC serves as the central control unit in DC-DC converters, addressing the need for voltage conversion with high efficiency and accuracy in a variety of applications.
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