Allicdata Part #: | UC2844BNGOS-ND |
Manufacturer Part#: |
UC2844BNG |
Price: | $ 0.43 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | ON Semiconductor |
Short Description: | IC REG CTRLR PWM CM 8-DIP |
More Detail: | Boost, Flyback Regulator Positive Output Step-Up, ... |
DataSheet: | UC2844BNG Datasheet/PDF |
Quantity: | 1847 |
1 +: | $ 0.39690 |
10 +: | $ 0.34776 |
100 +: | $ 0.26668 |
500 +: | $ 0.21080 |
1000 +: | $ 0.16864 |
Specifications
Series: | -- |
Packaging: | Tube |
Part Status: | Active |
Output Type: | Transistor Driver |
Function: | Step-Up, Step-Up/Step-Down |
Output Configuration: | Positive |
Topology: | Boost, Flyback |
Number of Outputs: | 1 |
Output Phases: | 1 |
Voltage - Supply (Vcc/Vdd): | 10 V ~ 36 V |
Frequency - Switching: | Up to 500kHz |
Duty Cycle (Max): | 48% |
Synchronous Rectifier: | No |
Clock Sync: | No |
Serial Interfaces: | -- |
Control Features: | Frequency Control |
Operating Temperature: | -25°C ~ 85°C (TA) |
Package / Case: | 8-DIP (0.300", 7.62mm) |
Supplier Device Package: | 8-DIP |
Base Part Number: | UC284*B |
Description
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UC2844BNG Application Field and Working Principle
Introduction
UC2844BNG is a new type of cost-effective DC-DC switching controller produced by Texas Instruments. This product is categorized as PMIC (Power Management Integrated Circuits) under Voltage Regulators and DC DC Switching Controllers. In addition to being a cost-effective option, this product offers improved line and load regulation and improved efficiency compared to earlier versions of the same product line. This article will provide an overview of the application field and working principle of this controller.Application Field
UC2844BNG can be used in a wide range of applications such as DC motors, automotive and industrial applications, telecommunications and consumer applications. In DC motor applications, this controller can provide improved precision and linearity in controlling the speed of the motor. In automotive and industrial applications, it can control the on/off operation of components in order to conserve energy and enhance system performance. In consumer applications, it can provide the necessary precision and linearity for controlling the speed of electric tools or other consumer electronic devices.Working Principle
UC2844BNG is based on PWM (Pulse Width Modulation) technique. PWM is a technique that involves controlling the width of the pulses with varying duty cycle. This allows the system to efficiently control the amount of energy supplied to the power switch. The controller utilizes the voltage feedback network to accurately monitor the output voltage. When the output voltage is not at the preset level, the controller will adjust the duty cycle of the power switch to maintain the output voltage. This ensures that the output voltage remains consistent and reliable. In addition, UC2844BNG features an internal comparator which can be used to sense the output voltage. This comparator can be configured to act as a zero-crossing detector which will be used to shut off the power switch during the period of zero-voltage exchange. This feature will significantly improve the efficiency of the system and reduce the risk of overloading or excessive power consumption.Conclusion
The UC2844BNG is a cost-effective DC-DC switching controller which is categorized as PMIC under Voltage Regulators and DC DC Switching Controllers. It can be used in applications such as DC motors, automotive and industrial applications, telecommunications and consumer applications. It is based on the PWM technique and features an internal comparator to accurately monitor the output voltage. It also features an internal zero-crossing detector to help improve efficiency and reduce energy consumption.The specific data is subject to PDF, and the above content is for reference
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