UCC3889NG4 Allicdata Electronics
Allicdata Part #:

UCC3889NG4-ND

Manufacturer Part#:

UCC3889NG4

Price: $ 1.30
Product Category:

Integrated Circuits (ICs)

Manufacturer: Texas Instruments
Short Description: IC PWM FLYBACK ISOLATED VM 8DIP
More Detail: Converter Offline Flyback Topology 8-PDIP
DataSheet: UCC3889NG4 datasheetUCC3889NG4 Datasheet/PDF
Quantity: 1000
250 +: $ 1.17949
Stock 1000Can Ship Immediately
$ 1.3
Specifications
Duty Cycle: --
Base Part Number: UCC3889
Mounting Type: Through Hole
Supplier Device Package: 8-PDIP
Package / Case: 8-DIP (0.300", 7.62mm)
Operating Temperature: 0°C ~ 70°C (TA)
Control Features: --
Fault Protection: Short Circuit
Frequency - Switching: --
Series: --
Voltage - Supply (Vcc/Vdd): 6.3 V ~ 9.3 V
Voltage - Start Up: 8.4V
Topology: Flyback
Voltage - Breakdown: --
Internal Switch(s): No
Output Isolation: Non-Isolated
Part Status: Active
Packaging: Tube 
Description

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The UCC3889NG4 is an AC/DC and offline switcher integrated circuit which, where used propertly, can provide up to a maximum of 1.5 W of power output. The UCC3889NG4 AC/DC and offline switcher IC is designed to provide a complete and cost-effective AC-to-DC flight control power supply solution, as well as providing high system level integration. This IC can be used in a diverse range of applications such as voltage regulation, digital switching power supplies, adapters, or home appliance power supplies.

This IC offers a range of features and benefits which are advantageous to users. It has a single-stage topology, high-efficiency rating, and an over-temperature protection that ensures system reliability. The UCC3889NG4 is also capable of providing an output voltage up to 40V and is able to handle loads up to 40W.

Additionally, some of the UCC3889NG4’s features include programmable switching frequency, internal power MOSFET, and synchronous rectification as well as integrated soft-start and current limit functions.

The IC’s overall design and working principles are based upon using a buck switching regulator. A buck regulator receives an input voltage from an AC source and utilizes the energy efficient switch-mode control circuit to produce the required output voltage. It is required for the switching device to rapidly switch between the on and off states, which is achieved through the use of a voltage switch S or a Schottky diode. The built-in switching regulator can provide either current-Mode or voltage-Mode control with adjustable currents or voltages respectively.

The UCC3889NG4 also has integrated overload and short circuit protection circuits. The over-current protection circuit consists of an internal current sense transistor and is triggered by either a current limit resistor or capacitor. The internal over-temperature protection feature ensures a safe operating range.

In conclusion, the UCC3889NG4 is an ideal integrated circuit solution for applications requiring an AC-to-DC power supply or offline switching solution in cost-sensitive low-power applications. The UCC3889NG4 performs with high system level integration and offers a variety of operating and protection functions which make it well-suited for a wide range of applications.

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

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