| Allicdata Part #: | UC2845NG4-ND |
| Manufacturer Part#: |
UC2845NG4 |
| Price: | $ 0.62 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC REG CTRLR MULT TOPOLOGY 8DIP |
| More Detail: | Boost, Flyback, Forward Converter Regulator Positi... |
| DataSheet: | UC2845NG4 Datasheet/PDF |
| Quantity: | 1000 |
| 550 +: | $ 0.56858 |
| Frequency - Switching: | 500kHz |
| Base Part Number: | UC2845 |
| Supplier Device Package: | 8-PDIP |
| Package / Case: | 8-DIP (0.300", 7.62mm) |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Control Features: | Frequency Control |
| Serial Interfaces: | -- |
| Clock Sync: | No |
| Synchronous Rectifier: | No |
| Duty Cycle (Max): | 48% |
| Series: | -- |
| Voltage - Supply (Vcc/Vdd): | 7.6 V ~ 30 V |
| Output Phases: | 1 |
| Number of Outputs: | 1 |
| Topology: | Boost, Flyback, Forward Converter |
| Output Configuration: | Positive, Isolation Capable |
| Function: | Step-Up, Step-Up/Step-Down |
| Output Type: | Transistor Driver |
| Part Status: | Active |
| Packaging: | Tube |
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The UC3845NG4 is a pulse width modulation (PWM). It is a highly sensitive control IC for regulating the power supply of motor drives, DC-to-DC converters, and other power circuits. As part of the UC3845NG4 family of control ICs, this device provides the user with a very efficient and cost effective means of controlling the voltages in their power supply.
The UC3845NG4 is a DC-DC switching controller that can provide multiple feedback inputs and another voltage feedback monitoring option. It provides available maximum output ripple current rating of up to 2 A, with an adjustable dead time following the main input switch to create a well-controlled high voltage switching cycle.
More specifically, the UC3845NG4 offers a peak output current rating of up to 3 A, adjustable current limitation, adjustable Dead Time period, internal soft start, disable control (used to control a system from an external source), an adjustable internal voltage reference, an adjustable output voltage, an adjustable maximum output voltage, adjustable output voltage sense, and an adjustable output ripple current rating.
The UC3845NG4 has a wide range of applications and can be used in a variety of power supply designs. It can be used to regulate the output of DC-to-DC converters, as well as in motor drives, LED lighting systems, and audio/video amplifiers. Further, it can be used to control the input sources to the power supply, such as AC mains, batteries, solar panels and other energy sources, allowing the user to match the incoming power source to the power requirements of their system.
The UC3845NG4 provides excellent differential gain and phase stability. It is designed to minimize output voltage distortions due to varying loads and input voltage conditions. This IC, also, offers of excellent short circuit current ratings to protect against overloads and short circuits.
In summary, the UC3845NG4 is a highly sensitive, advanced and cost-effective control IC for the regulation of several power sources and the output of DC-to-DC converters. Its features ensure that it can be utilized for a wide range of power supplies, motor drives, and other power circuits. With its outstanding current ratings, adjustable dead times, and low voltage outputs, a satisfactory and reliable power supply can now be easily achieved with the UC3845NG4.
The specific data is subject to PDF, and the above content is for reference
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UC2845NG4 Datasheet/PDF