UC3843BVD1R2G Integrated Circuits (ICs) |
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Allicdata Part #: | UC3843BVD1R2GOSTR-ND |
Manufacturer Part#: |
UC3843BVD1R2G |
Price: | $ 0.19 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | ON Semiconductor |
Short Description: | IC REG CTRLR FLYBACK 8SOIC |
More Detail: | Boost, Flyback Regulator Positive Output Step-Up, ... |
DataSheet: | UC3843BVD1R2G Datasheet/PDF |
Quantity: | 1000 |
2500 +: | $ 0.16708 |
5000 +: | $ 0.15556 |
12500 +: | $ 0.14980 |
25000 +: | $ 0.14404 |
Frequency - Switching: | Up to 500kHz |
Base Part Number: | UC384*B |
Supplier Device Package: | 8-SOIC |
Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
Operating Temperature: | -40°C ~ 105°C (TA) |
Control Features: | Frequency Control |
Serial Interfaces: | -- |
Clock Sync: | No |
Synchronous Rectifier: | No |
Duty Cycle (Max): | 96% |
Series: | -- |
Voltage - Supply (Vcc/Vdd): | 7.6 V ~ 30 V |
Output Phases: | 1 |
Number of Outputs: | 1 |
Topology: | Boost, Flyback |
Output Configuration: | Positive |
Function: | Step-Up, Step-Up/Step-Down |
Output Type: | Transistor Driver |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
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The UC3843BVD1R2G is a high-performance voltage mode PWM current mode control circuit. It is a type of DC-DC switching controller, which means it can be used to regulate DC-DC voltage. It is typically used to power a variety of equipment, including LEDs, remote sensing, solar cells, and high-power laser diodes. It offers a wide operating range, excellent efficiency, and low temperature performance.
The UC3843BVD1R2G enables users to generate a high-performance voltage-mode variable frequency PWM current-mode parameter control circuit with excellent line regulation, temperature compensation, and over-current protection. This voltage-controlled PWM is ideal for motor drives, DC-DC converters, and power supplies. Its adjustable characteristics can be used to significantly optimize performance for a variety of power supply loads, making it the perfect choice for applications that require precise voltage control.
The UC3843BVD1R2G features a variety of benefits for users. It can operate quickly, accurately, and reliably in temperature ranges from -40 to +85 degrees Celsius. It has a maximum operating frequency of 450kHz and a control voltage range of 0 to 10V DC. It also features a minimum-on time of 5ns, a maximum-on time of 100ms, and a shut-down threshold of 0V. The UC3843BVD1R2G also has a large output voltage swing and fast transient response, enabling it to provide high output power at high frequencies.
The UC3843BVD1R2G works by comparing the control voltage to an internal reference voltage. This internal voltage is typically set by an external resistive voltage divider, therefore allowing users to adjust the control voltage. When the control voltage is greater than the reference voltage, the output switch is turned on, allowing current to flow from the input to the output. When the control voltage is less than the reference voltage, the switch is turned off, stopping current from flowing.
The UC3843BVD1R2G has over-current protection feature, which prevents excessive current from flowing from the input to the output. The protection circuit works by monitoring the current in the output switch. When the current exceeds the set limit, the device trips and shuts off the output switch. This feature ensures proper device operation and ensures the safety of the system.
The UC3843BVD1R2G is a powerful and reliable voltage mode switching controller that is ideal for a wide range of applications. It offers excellent efficiency and low temperature performance with adjustable characteristics to optimize performance for a variety of power supply loads. It is also equipped with over-current protection to ensure safe operation in even the harshest environments.
The specific data is subject to PDF, and the above content is for reference
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