Name: UC2843BD
Brand: Onsemi
SKU: DS-6280142
Price: 1.78 USD
Availability: InStock
Rating: 4.8 (3 reviews)

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Onsemi UC2843BD

IC REG CTRLR FLYBACK 14SOIC

Manufacturer # :UC2843BD

Manufacturer :Onsemi

Dasenic # :UC2843BD-DS

Datasheet :

UC2843BD Datasheet

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Description : IC REG CTRLR FLYBACK 14SOIC

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Quantity	Unit Price	Total
55+	$ 1.7800	$ 97.9

In Stock: 2814

MOQ :1 PCS

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Unit Price :$ 1.78

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UC2843BD information

Onsemi UC2843BD technical specifications, attributes, parameters.
Category:Integrated Circuits (ICs)/PMIC - Voltage Regulators - DC DC Switching Controllers
Product Status:Obsolete
Operating Temperature:-25°C ~ 85°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:RoHS non-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 UC2843BD
Datasheet:
UC2843BD,

Onsemi UC2843BD Environmental and export classification status description
The Onsemi UC2843BD is a pulse width modulator (PWM) controller that falls under the Integrated Circuits (ICs) category. It is commonly used in power supply applications to regulate the output voltage by controlling the duty cycle of the switching signal. Functions: 1. Pulse width modulation (PWM) control. 2. Error amplifier for feedback control. 3. Oscillator for generating the switching frequency. Applications: 1. Switch-mode power supplies. 2. DC-DC converters. 3. LED drivers. 4. Battery chargers. Alternative Components: 1. Texas Instruments UC2843A. 2. STMicroelectronics UC3843A. 3. IRF IR2153. Embedded Modules: 1. Error amplifier for precise output regulation. 2. Oscillator for generating the switching frequency. 3. Feedback loop for closed-loop control. Related Q&A: 1. Q: How does the UC2843BD regulate the output voltage in a power supply? A: The UC2843BD uses pulse width modulation (PWM) to control the duty cycle of the switching signal, thereby regulating the output voltage. 2. Q: What is the role of the error amplifier in the UC2843BD? A: The error amplifier compares the feedback voltage with a reference voltage and generates an error signal to adjust the duty cycle for output regulation. 3. Q: Can the UC2843BD be used in LED driver applications? A: Yes, the UC2843BD can be used in LED drivers to regulate the current and brightness of LEDs. 4. Q: How does the UC2843BD help in improving the efficiency of DC-DC converters? A: The UC2843BD optimizes the switching frequency and duty cycle, which helps in reducing power losses and improving the efficiency of DC-DC converters. 5. Q: Are there any special considerations for designing a power supply using the UC2843BD? A: It is important to consider component selection, layout design, and feedback loop stability for an efficient and stable power supply design with the UC2843BD.

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UC2843BD 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.