UC3843BVD1G

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):	7.6 V ~ 30 V
Frequency - Switching:	Up to 500kHz
Duty Cycle (Max):	96%
Synchronous Rectifier:	No
Clock Sync:	No
Serial Interfaces:	--
Control Features:	Frequency Control
Operating Temperature:	-40°C ~ 105°C (TA)
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	UC384*B

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

UC3843BVD1G is an advanced DC-DC switching controller manufactured by Texas Instruments. It is among a line of devices that enable efficient power management of high frequency power conversion application and other DC-DC switching systems. This device operates with a current mode of control, allowing it to be highly flexible and easily configured in a variety of applications.The UC3843BVD1G is a high-frequency current mode switching DC-DC controller. It is primarily used in the power supplies of step-down (buck) and step-up (boost) converters. It offers a wide range of features, from a precise conventional current mode control to one of Texas Instruments’ most advanced Pulse Width Modulator (PWM) control schemes, allowing for precise control of power converters. The UC3843BVD1G also features temperature-compensated precision current limit, soft-start, and fault protection capability. The device\'s adjustable frequency allows users to optimize the converter design for increased efficiency, enabling maximum power transfer and minimized power losses. The UC3843BVD1G is well suited for a variety of DC-DC power conversion applications such as AC-DC rectification, DC-DC buck systems, power supplies, and portable electronic equipment. It can also be used in microprocessor and logic supplies, as well as wireless base transceiver station power supplies and automotive DC-DC converters. The UC3843BVD1G is a monolithic integrated circuit manufactured in standard CMOS process. It is available in 16-pin plastic DIP packages, with a temperature range of -40°C to +125°C. The UC3843BVD1G uses a two-phase current control architecture. This allows it to accurately control both phases of a multiphase converter. It also features temperature compensated current sense inputs, allowing for precise control of current in each controller phase. The device is internally protected against over-voltage and over-current, providing an extra layer of safety for the system. A key feature of the UC3843BVD1G is its frequency select pin. This pin allows the user to easily adjust the frequency of the device\'s switching action. This makes the device suitable for applications where high frequency operation is required, allowing the user to maximize the power transfer efficiency. The UC3843BVD1G also features an oscillator with an external resistor, allowing the user to set the frequency of the oscillator anywhere in the range of 20 kHz to 200 kHz. This enables the user to optimize the performance of their power supply circuit. In addition, the UC3843BVD1G offers an adjustable softstart feature. This feature allows the user to start up their circuit in a controlled manner, preventing current surges due to sudden start-up.The UC3843BVD1G is an ideal device for high frequency power conversion applications. It provides precise control of current, adjustable frequency operation, protection against faults, and adjustable softstart. These features make the device well suited for a variety of applications, from DC-DC buck systems to various other power conversion needs.

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

Part Number	Manufacturer	Price	Quantity	Description