UC3845BNST
- Mfr.Part #
- UC3845BNST
- Manufacturer
- STMicroelectronics
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC REG CTRLR BST/FLYBK 8-MINIDIP
- Stock
- 26,104
- In Stock :
- 26,104
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- Manufacturer :
- STMicroelectronics
- Product Category :
- DC DC Switching Controllers
- Clock Sync :
- No
- RoHS Status :
- ROHS3 Compliant
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Function :
- Step-Up/Step-Down
- Output Configuration :
- Positive, Isolation Capable
- Control Features :
- Frequency Control
- Max Frequency :
- 500kHz
- Output Type :
- Transistor Driver
- Synchronous Rectifier :
- No
- Base Part Number :
- UC3845
- Max Operating Temperature :
- 70°C
- Frequency - Switching :
- 500kHz
- Operating Temperature :
- -40°C~150°C TJ
- Mounting Type :
- Through Hole
- Min Operating Temperature :
- 0°C
- Output Phases :
- 1
- Duty Cycle (Max) :
- 48%
- Number of Outputs :
- 1
- Packaging :
- Tube
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Topology :
- Boost, Flyback
- Supplier Device Package :
- 8-Mini DIP
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Datasheets
- UC3845BNST

DC DC Switching Controllers STMicroelectronics UC3845BNST Overview
The UC3845BNST from STMicroelectronics is a highly integrated and robust DC DC Switching Controller designed to deliver precision voltage and current regulation for a myriad of power supply applications. This 8-pin MINIDIP device exemplifies reliability and efficiency, enabling designers to craft sophisticated switch-mode power supplies with ease. The robustness of UC3845BNST, manufactured by an industry leader in semiconductor solutions, promises performance that meets the rigorous demands of high-end power conversion circuits. With this product, STMicroelectronics affirms its commitment to providing advanced control circuitry that can spur B2B clients to upscale their purchases for mass production, capitalizing on the balance of cost and high performance it offers.
UC3845BNST Features
- Output Switch Current of up to 1.5 A
- Automatic Feed-Forward Compensation
- Pulse-by-Pulse Current Limiting
- Enhanced Load Response Characteristics
- Under-Voltage Lockout with Hysteresis
- Low Startup and Operating Current
UC3845BNST Applications
- Switching Power Supplies - In such applications, the UC3845BNST controls the switching of a MOSFET or a bipolar junction transistor in real-time to ensure consistent power output.
- DC-DC Converters - It efficiently manages voltage conversion in devices requiring a step-up or step-down voltage operation, ensuring device safety and energy conservation.
- Battery Chargers - The UC3845BNST is ideal for sophisticated battery charging circuits, where accurate voltage and current control are essential for prolonging battery life.
- Power Inverters - Utilized in power inverters to maintain a stable AC output from a DC source, providing reliable operation for sensitive electronic equipment.
- LED Drivers - Plays a critical role in driving LEDs with precise current control to enhance the lifespan and brightness consistency of LED lighting solutions.
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