| Allicdata Part #: | 296-2403-5-ND |
| Manufacturer Part#: |
UCC2837D |
| Price: | $ 5.19 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC LNR REG CTRLR 1OUT 8SOIC |
| More Detail: | Linear Regulator Controller IC Positive Adjustable... |
| DataSheet: |  UCC2837D Datasheet/PDF |
| Quantity: | 49 |
| 1 +: | $ 4.71240 |
| 10 +: | $ 4.25565 |
| 100 +: | $ 3.52346 |
| 500 +: | $ 3.06816 |
| 1000 +: | $ 2.67227 |
Specifications
| Series: | -- |
| Packaging: | Tube |
| Part Status: | Active |
| Type: | Positive Adjustable |
| Number of Outputs: | 1 |
| Current - Supply: | 1.2mA |
| Voltage - Input: | 2.2 V ~ 12 V |
| Operating Temperature: | -25°C ~ 85°C |
| Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package: | 8-SOIC |
| Base Part Number: | UCC2837 |
Description
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The UCC2837D is an advanced, low start-up current, low dropout linear regulator controller developed by Texas Instruments. It uses a single resistor to set the output voltage and offers excellent output accuracy. It can be used to supply power to almost any Type of digital and analog circuit, making it a great choice for presence sensing, linear regulation, and various other mobile and industrial applications.The UCC2837D is a single-channel linear regulator that includes a number of features to provide flexibility and quality in the application. In particular, the UCC2837D utilizes an adaptive gate drive system to control the pass device, which optimizes the start-up and transients behavior. Additionally, the device includes an auto-skip mode for improved light load power efficiency.The UCC2837D can provide high-accuracy current and voltage regulation and can be configured for a variety of output voltages and power levels. There are two optional output voltage setting pins that allow for the selection of output voltage of 4.5 V, 5 V, and 5.5 V. The UCC2837D is also available in various package options and can operate over a wide input voltage range of 2V to 20 V.The UCC2837D is designed to provide precision voltage control and to operate at low quiescent currents and at light loads with minimal noise and ripple. A high power supply rejection ratio (PSRA) and fast transient response time help stabilize the output voltage under various load conditions.When it comes to the working principle of the UCC2837D, there are three components at work; the voltage reference, the error amplifier and the pass transistor. The voltage reference sets the output voltage through a resistive divider connected to the control chips’ voltage input. The error amplifier then accurately compares the voltage reference to the output voltage and adjusts the pass transistor to regulate the output voltage. The operation is non-isolated, so it doesn’t require an insulating transformer. The output voltage is adjustable by varying the value of a single resistor, which is connected to the voltage reference input. The output voltage is stable regardless of the load current, but does depend on the temperature, since the reference voltage is temperature dependent.The UCC2837D is ideal for applications where low quiescent current, high efficiency and low noise are key performance requirements. It is designed to provide precision voltage control and can handle up to 6 amps. Its low dropout voltage ensures proper operation with low battery voltage, while its low start-up current ensures the device is least intrusive in the system. Its adaptive gate drive system ensures fast transition times, accurate current control and minimal power consumption.In conclusion, the UCC2837D is an advanced, low start-up current, low dropout linear regulator controller developed by Texas Instruments. The controller utilizes three main components; the voltage reference, the error amplifier and the pass transistor, in order to provide precision voltage control and to operate at low quiescent currents and at light loads with minimal noise and ripple. It is suitable for a wide range of applications, including presence sensing, linear regulation, and various other mobile and industrial applications.
The specific data is subject to PDF, and the above content is for reference
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