Name: UC3843BVDG
Brand: Onsemi
SKU: DS-6281524
Price: 1.44 USD
Availability: InStock
Rating: 4.8 (3 reviews)

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Onsemi UC3843BVDG

IC REG CTRLR FLYBACK 14SOIC

Manufacturer # :UC3843BVDG

Manufacturer :Onsemi

Dasenic # :UC3843BVDG-DS

Datasheet :

UC3843BVDG Datasheet

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Description : IC REG CTRLR FLYBACK 14SOIC

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Quantity	Unit Price	Total
10+	$ 1.4400	$ 14.4
2000+	$ 0.9600	$ 1920

In Stock: 1728

MOQ :1 PCS

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Shipping Origin :Shenzhen or Hong Kong Warehouse

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Unit Price :$ 1.44

Total :$ 1.44

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UC3843BVDG information

Onsemi UC3843BVDG technical specifications, attributes, parameters.
Category:Integrated Circuits (ICs)/PMIC - Voltage Regulators - DC DC Switching Controllers
Product Status:Obsolete
Operating Temperature:-40°C ~ 105°C (TA)
Mounting Type:Surface Mount
Package / Case:14-SOIC (0.154", 3.90mm Width)
Output Type:Transistor Driver
Supplier Device Package:14-SOIC
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):96%
Synchronous Rectifier:No
Clock Sync:No
Serial Interfaces:-
Function:Step-Up, Step-Up/Step-Down
EU RoHS Status:ROHS3 Compliant
MSL Rating:1 (Unlimited, 30°C/85%RH)
REACH Status:REACH Unaffected
US ECCN:EAR99
HTS US:8542.31.0001
China RoHS Status:Orange Symbol: Safe for use during the environmental protection period

Download datasheets and manufacturer documentation for Onsemi UC3843BVDG
Datasheet:
UC3843BVDG,

Onsemi UC3843BVDG Environmental and export classification status description
The OnsemiUC3843BVDG is a current-mode PWM controller that is commonly used in power supply applications. It is an integrated circuit (IC) that provides functions for controlling the switching power supply, primarily for regulating the output voltage. The IC offers precise control over the duty cycle of the output waveform, making it suitable for a wide range of power management applications. Functions: - Current-mode control for improved transient response and cycle-by-cycle overcurrent protection - Oscillator frequency up to 500 kHz with optional synchronized external clock - Automatic feedforward compensation - Internal soft-start function for controlled startup - Under-voltage lockout with hysteresis - Error amplifier with precise voltage reference - PWM output with high peak current drive capability Applications: - Switch Mode Power Supplies (SMPS) - AC-DC converters - DC-DC converters - Battery chargers - LED drivers - Industrial power supplies Alternative Components: - TI UC3843 - Infineon ICE2QR0665 - STMicroelectronics L6561D - Fairchild Semiconductor FAN4803 - NXP TEA1533AP/C2 Embedded Modules: The OnsemiUC3843BVDG does not have built-in embedded modules, as it is primarily used as a standalone PWM controller in power supply designs. However, it can be integrated into larger systems along with other components to create more complex power management solutions. Q&A: 1. What is the maximum operating frequency of the OnsemiUC3843BVDG? - The oscillator frequency of the UC3843BVDG can go up to 500 kHz, providing flexibility for various power supply designs that require high switching frequencies. 2. How does the current-mode control feature of the UC3843BVDG benefit power supply designs? - Current-mode control improves transient response and provides cycle-by-cycle overcurrent protection, enhancing the stability and reliability of the power supply. 3. Can the UC3843BVDG be used in both isolated and non-isolated power supply applications? - Yes, the UC3843BVDG is versatile and can be used in both isolated and non-isolated power supply designs, making it suitable for a wide range of applications. 4. Does the UC3843BVDG have protection features to safeguard the power supply circuitry? - Yes, the UC3843BVDG includes under-voltage lockout with hysteresis and other protective features to ensure safe operation and prevent damage to the power supply components. 5. What are the typical efficiency levels achievable with power supply designs using the UC3843BVDG? - By utilizing the precise control and regulation features of the UC3843BVDG, power supply designs can achieve high efficiency levels, contributing to energy savings and improved performance.

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Delivering Time
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UC3843BVDG provided by Onsemi

Founded in 1999,ON Semiconductor (Nasdaq: ON) focus on automotive and industrial end-markets, the company is accelerating change in megatrends such as vehicle electrification and safety, sustainable energy grids, industrial automation, and 5G and cloud infrastructure. Onsemi offers a diverse portfolio of semiconductor products, including Discrete & Power Modules,Power Management, Signal Conditioning & Control, Sensors, Motor Control, Custom & ASSP, Interfaces, Wireless Connectivity, Timing, Logic & Memory. With a highly differentiated and innovative product portfolio, onsemi creates intelligent power and sensing technologies that solve the world’s most complex challenges and leads the way in creating a safer, cleaner, and smarter world. Headquartered in Arizona, USA, the company has a robust infrastructure that includes an extensive network of 19 manufacturing sites, 43 design centers, and 8 solution engineering centers.