UC3845BVDR2G Allicdata Electronics

UC3845BVDR2G Integrated Circuits (ICs)

Allicdata Part #:

UC3845BVDR2GOSTR-ND

Manufacturer Part#:

UC3845BVDR2G

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: ON Semiconductor
Short Description: IC REG CTRLR BOOST/FLYBK 14SOIC
More Detail: Boost, Flyback Regulator Positive or Negative, Iso...
DataSheet: UC3845BVDR2G datasheetUC3845BVDR2G Datasheet/PDF
Quantity: 2500
Stock 2500Can Ship Immediately
Specifications
Series: --
Packaging: Tape & Reel (TR) 
Part Status: Active
Output Type: Transistor Driver
Function: Step-Up, Step-Up/Step-Down
Output Configuration: Positive or Negative, Isolation Capable
Topology: Boost, Flyback
Number of Outputs: 1
Output Phases: 1
Voltage - Supply (Vcc/Vdd): 7.6 V ~ 30 V
Frequency - Switching: 500kHz
Duty Cycle (Max): 48%
Synchronous Rectifier: No
Clock Sync: No
Serial Interfaces: --
Control Features: Frequency Control
Operating Temperature: -40°C ~ 105°C (TA)
Package / Case: 14-SOIC (0.154", 3.90mm Width)
Supplier Device Package: 14-SOIC
Base Part Number: UC384*B
Description

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The UC3845BVDR2G is a high-performance control circuit designed to offer a reliable and high quality consistent power regulation solution. It is a DC-DC switching controller with a wide range of applications, including motor control and power supply designs.

The UC3845BVDR2G offers a stable, high frequency, and efficient switch converter solution, featuring adjustable Pulse by Pulse current limit and soft-start protection. It can be used in switched-mode DC-DC converters such as buck, boost, flyback, and forward, and can support an output current up to 3A. The UC3845BVDR2G offers high accuracy current mode controlled system for excellent line and load regulation and fast transient response. It also provides shutdown, over-voltage protection, as well as temperature sensing.

The UC3845BVDR2G can be used in applications such as telecommunications power supplies, LED supplies, laptop and desktop computers, LCD screens, motor speed controls, servo motors, and automotive electrical systems. It is also suitable for low power applications requiring loop stability, with minimum external components required. With its high current capability, the UC3845BVDR2G can handle wide input voltage ranges, and its current limit is programmable through an external resistor.

The UC3845BVDR2G is a highly integrated control circuit which offers several features. It has an internal voltage reference, enable input, current limit, and soft-start. The device supports an adjustable and programmable frequency range of up to 20kHz for demanding application requirements. It also provides wide and adjustable duty cycle range, programmable oscillation frequency, synchronization to external clock, adjustable dead time, and over-current protection. Additionally, the UC3845BVDR2G can run from almost any supply voltage from 3.3V to 34V.

The UC3845BVDR2G\'s power regulating circuit based on the principle of switch mode technology. It makes use of a power switch, a control circuit, and an inductor or transformer to regulate the power output. The power switch is the controller\'s main component, which is turned on and off in short bursts to regulate the output voltage. The control circuit is used to regulate the pulses of the switch and maintain a constant output voltage. The inductor or transformer is used to convert the output voltage generated by the power switch into a regulated output voltage.

In summary, the UC3845BVDR2G is a high-performance control circuit, ideal for power supply and DC-DC converter designs. With its high current capability and wide input voltage range, the UC3845BVDR2G can offer a reliable and consistent power regulation solution, as well as efficient switch converter solutions. The device\'s power regulating based on the switching mode technology, making use of power switch, control circuit, and inductor to regulate the output voltage. The UC3845BVDR2G is capable of handling wide input voltage ranges and can support an output current up to 3A.

The specific data is subject to PDF, and the above content is for reference

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