Name: UC3844BVD
Brand: Onsemi
SKU: DS-6279270
Price: 0.3857 USD
Availability: InStock
Rating: 4.8 (3 reviews)

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Onsemi UC3844BVD

IC REG CTRLR PWM CM 14-SOIC

Manufacturer # :UC3844BVD

Manufacturer :Onsemi

Dasenic # :UC3844BVD-DS

Datasheet :

UC3844BVD Datasheet

Customer # :

Customer #

Description : IC REG CTRLR PWM CM 14-SOIC

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Quantity	Unit Price	Total
1+	$ 0.3857	$ 0.39
10+	$ 0.3639	$ 3.64
100+	$ 0.3433	$ 34.33
1000+	$ 0.3055	$ 305.5
10000+	$ 0.2937	$ 2937

In Stock: 18543

MOQ :1 PCS

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Delivery Time :Ship Within 48 Hours

Shipping Origin :Shenzhen or Hong Kong Warehouse

Quantity :

Unit Price :$ 0.3857

Total :$ 0.39

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UC3844BVD information

Onsemi UC3844BVD 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):10V ~ 36V
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):48%
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 UC3844BVD
Datasheet:
UC3844BVD,

Onsemi UC3844BVD Environmental and export classification status description
Onsemi UC3844BVD is a high-performance integrated circuit (IC) designed primarily for controlling power supply circuits. It is widely used in offline and DC-to-DC power systems due to its versatile features and reliability. Functions: - Voltage mode PWM control - Internal multiplier to implement high-voltage startup - Error amplifier with high gain - Overcurrent detection and protection - Soft-start for gradual power-up - Under-voltage lockout for safe operation Applications: - AC/DC power supplies - DC/DC converters - Battery chargers - LED drivers - Inverters Alternative Components: - TI UC3844 - Infineon ICE2QS03G - STMicroelectronics L4981A Embedded Modules: - Voltage reference - Error amplifier - PWM generator - Protection circuitry Q&A: 1. Can the UC3844BVD be used in both buck and boost converter designs? Yes, the UC3844BVD can be used in both buck (step-down) and boost (step-up) converter designs due to its versatility and flexibility in regulating power flow. 2. What are the typical operating frequencies for power supplies using the UC3844BVD? Power supplies utilizing the UC3844BVD typically operate in the range of a few tens of kHz up to a few hundred kHz, depending on the specific application and design requirements. 3. How does the UC3844BVD handle overcurrent protection in power supply circuits? The UC3844BVD integrates overcurrent detection circuitry that monitors the current flowing through the power components. When an overcurrent condition is detected, the IC triggers protection mechanisms to shut down the power supply and prevent damage. 4. What advantages does the UC3844BVD's soft-start feature offer in power supply designs? The soft-start feature of the UC3844BVD allows for a gradual increase in output voltage during power-up, reducing inrush currents and stress on components. This helps improve system reliability and efficiency. 5. Can the UC3844BVD be used in automotive applications requiring high reliability and robustness? While the UC3844BVD is not specifically designed for automotive applications, it can be used in automotive-specific power supply circuits with proper precautions and additional external protections to ensure reliability and performance under harsh automotive operating conditions.

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UC3844BVD 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.