STMicroelectronics UC3844BN

Enrgtech Part No: ET11232100
|
Manufacturer Part No:
UC3844BN
|
Manufacturer: STMicroelectronics

Product Information

The UC3844BN by STMicroelectronics is a current high-performance mode PWM controller that offers superior regulation and stability for power management applications. Featured with an operating frequency of up to 500kHz and optimized for off-line, it brings excellent performance, dependability, and efficiency to any electronic structure.

Number of Outputs:

Rise Time:

50ns

Output Current:

1 A

Dimensions:

10.92 x 6.6 x 3.32mm

Mounting Type:

Through Hole

Minimum Operating Temperature:

-40 °C

Control Method:

Current

Maximum Switching Frequency:

500 kHz

Height:

3.32mm

Width:

6.6mm

Length:

10.92mm

Package Type:

PDIP

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The UC3844BN, manufactured and supplied by STMicroelectronics, is a high-performance current-mode controller that offers a wide range of features for power supply designs. Its soft-start function, under-voltage lockout, and thermal shutdown protection make it a reliable and robust solution for power management. With its adjustable frequency range, high output current, and overvoltage protection, this device is an ideal choice for various applications, including AC-DC power supplies, DC-DC converters, battery chargers, and LED drivers.

Typical Uses of STMicroelectronics UC3844BN:

The STMicroelectronics UC3844BN is a versatile controller that can be used in several power supply designs. Some of the typical applications of this device are:

AC-DC power supplies: The UC3844BN can be used in AC-DC power supply designs to provide high-efficiency and reliable power conversion.
DC-DC converters: This device can be used in DC-DC converter designs to provide voltage regulation and power management for various applications.
Battery chargers: The UC3844BN is suitable for battery charger designs thanks to its high current output and adjustable frequency range.
LED drivers: This device can be used in LED driver designs to provide constant current output and efficient power conversion.
Industrial applications: The UC3844BN is suitable for various industrial applications, including motor drives, control systems, and instrumentation.

Key Features and Advantages of STMicroelectronics UC3844BN:

The STMicroelectronics UC3844BN controller has numerous features, making it an ideal choice for power supply designs. Some of the key elements of this device are:

Current-mode control: The UC3844BN is a current-mode controller, which regulates the output voltage by sensing the current in the power supply's switching element.
Adjustable frequency: This device features an adjustable frequency range of 50kHz to 500kHz, which gives designers the flexibility to optimize the switching frequency for their particular application.
Wide input voltage range: The UC3844BN can operate with input voltages ranging from 8V to 30V, which makes it perfect for a wide range of applications.
High output current: This device can handle output currents up to 1A, which is sufficient for most power supply designs.
Overvoltage protection: The UC3844BN features overvoltage protection, which shuts down the power supply if the output voltage exceeds a certain threshold.
Soft-start function: This feature provides a gradual increase in the output voltage during start-up, reducing stress on the power supply components and preventing damage.
Under-voltage lockout: The UC3844BN has an under-voltage lockout feature that prevents the power supply from operating if the input voltage falls below a certain threshold.
Thermal shutdown: The device includes thermal shutdown protection, which disables the power supply if the internal temperature exceeds a safe level.

UC2842B/3B/4B/5B UC3842B/3B/4B/5B HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER Data Sheet(Technical Reference)

ESD Control Selection Guide V1(Technical Reference)

UC2842B-45B, UC3842B-45B(Datasheets)

Box Label Chg 28/Jul/2016(PCN Packaging)

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You can order STMicroelectronics brand products with UC3844BN directly through our website or call us at +44 (0) 3303 800 157 or email our support team at sales@enrgtech.co.uk.

Yes. Our products in DC DC Switching Controllers category are shipped in lowest possible time.

You will get a confirmation email regarding your order of STMicroelectronics UC3844BN. You can also check on our website or by contacting our customer support team for further order details on STMicroelectronics UC3844BN.

We use our internationally recognized delivery partners UPS/DHL. Collection of ET11232100 can also be arranged for the customer by international shipments through contacting our customer support team. Additionally, you can also search "STMicroelectronics" products on our website by using Enrgtech's Unique Manufacturing Part Number ET11232100.

Yes. We ship UC3844BN Internationally to many countries around the world.