Name: UC2845BN
Brand: STMicroelectronics
SKU: DS-6272853
Price: 0.3609 USD
Availability: InStock
Rating: 4.8 (3 reviews)

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STMicroelectronics UC2845BN

IC REG CTRLR BST/FLYBK 8-MINIDIP

Manufacturer # :UC2845BN

Manufacturer :STMicroelectronics

Dasenic # :UC2845BN-DS

Datasheet :

UC2845BN Datasheet

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Description : IC REG CTRLR BST/FLYBK 8-MINIDIP

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Quantity	Unit Price	Total
1+	$ 0.3609	$ 0.36
10+	$ 0.3609	$ 3.61
100+	$ 0.3609	$ 36.09
500+	$ 0.3609	$ 180.45
1000+	$ 0.3303	$ 330.3

In Stock: 26880

MOQ :1 PCS

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Shipping Origin :Shenzhen or Hong Kong Warehouse

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Unit Price :$ 0.3609

Total :$ 0.36

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UC2845BN information

STMicroelectronics UC2845BN technical specifications, attributes, parameters.
Category:Integrated Circuits (ICs)/PMIC - Voltage Regulators - DC DC Switching Controllers
Product Status:Active
Operating Temperature:-40°C ~ 150°C (TJ)
Mounting Type:Through Hole
Package / Case:8-DIP (0.300", 7.62mm)
Output Type:Transistor Driver
Supplier Device Package:8-Mini DIP
Voltage - Supply ( Vcc/ Vdd):7.6V ~ 30V
Frequency - Switching:Up to 500kHz
Number of Outputs:1
Topology:Boost, Flyback
Control Features:Frequency Control
Output Configuration:Positive, Isolation Capable
Output Phases:1
Duty Cycle ( Max):48%
Synchronous Rectifier:No
Clock Sync:No
Serial Interfaces:-
Function:Step-Up, Step-Up/Step-Down
EU RoHS Status:RoHS Compliant
REACH Status:REACH is not affected
US ECCN:EAR99
China RoHS Status:Green Symbol: Green and environmentally friendly product

Download datasheets and manufacturer documentation for STMicroelectronics UC2845BN
Datasheet:
UC2845BN,

STMicroelectronics UC2845BN Environmental and export classification status description
STMicroelectronics UC2845BN is a current-mode PWM controller integrated circuit that is commonly used in power supply applications. It is designed to control the power stage of a switching power supply. Functions: 1. Current-Mode PWM Control: Provides precise control of the duty cycle of the power stage. 2. Under-Voltage Lockout: Protects the circuit from operating at insufficient input voltages. 3. Soft-Start Function: Allows for a gradual increase in output voltage to minimize in-rush current. 4. Error Amplifier: Compares the output voltage with a reference voltage to regulate the duty cycle. Applications: 1. Switching Power Supplies 2. LED Drivers 3. DC-DC Converters Alternative Components: 1. Texas Instruments UC3845: Similar current-mode PWM controller with adjustable frequency. 2. ON Semiconductor NCP1207: Low-cost current-mode PWM controller for low-power applications. Embedded Modules: STMicroelectronics may offer evaluation boards or development kits that include the UC2845BN for rapid prototyping and testing purposes. Related Q&A: 1. Can the UC2845BN be used in flyback converter designs? - Yes, the UC2845BN is suitable for flyback converter topologies due to its current-mode control and error amplifier features. 2. What is the maximum operating frequency of the UC2845BN? - The maximum switching frequency of the UC2845BN typically ranges from tens of kilohertz to a few hundred kilohertz. 3. How does the soft-start feature of the UC2845BN benefit power supply designs? - The soft-start feature helps to reduce stress on components during power-up, minimizing in-rush current and enhancing system reliability. 4. Are there any adjustable parameters in the UC2845BN for optimizing power supply performance? - The UC2845BN allows for adjustments in the reference voltage, compensation network, and current limit, enabling optimization for specific applications. 5. Can the UC2845BN operate in a synchronized mode for multi-phase power supply designs? - While not inherently designed for synchronization, external components can be added to synchronize multiple UC2845BN controllers for multi-phase configurations.

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UC2845BN provided by STMicroelectronics

Founded in 1987, STMicroelectronics(NYSE: STM) is a global semiconductor leader delivering intelligent and energy-efficient products and solutions that power the electronics at the heart of everyday life. ST is a leading supplier of a wide range of semiconductor products and solutions, including microcontrollers, digital and analog integrated circuits, power management devices, MEMS sensors, imaging and audio solutions, and wireless connectivity solutions.Our technologies enable smarter mobility, more efficient power and energy management, and the wide-scale deployment of the Internet of Things and 5G technology. We work with our 100,000 customers and thousands of partners to design and build products, solutions, and ecosystems that address their challenges and opportunities, and the need to support a more sustainable world. ST is a multinational company headquartered in Geneva, Switzerland, with operations in over 35 countries.