BU28TD3WG-TR Integrated Circuits (ICs) |
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| Allicdata Part #: | BU28TD3WGTR-ND |
| Manufacturer Part#: |
BU28TD3WG-TR |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | ROHM Semiconductor |
| Short Description: | IC REG LINEAR 2.8V 200MA 5SSOP |
| More Detail: | Linear Voltage Regulator IC Positive Fixed 1 Outpu... |
| DataSheet: |  BU28TD3WG-TR Datasheet/PDF |
| Quantity: | 1000 |
Specifications
| Current - Output: | 200mA |
| Base Part Number: | BU28TD3 |
| Supplier Device Package: | 5-SSOP |
| Package / Case: | SC-74A, SOT-753 |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 85°C |
| Protection Features: | Over Current, Over Temperature |
| Control Features: | Enable |
| PSRR: | 70dB (1kHz) |
| Current - Quiescent (Iq): | 60µA |
| Series: | -- |
| Voltage Dropout (Max): | 0.5V @ 200mA |
| Voltage - Output (Max): | -- |
| Voltage - Output (Min/Fixed): | 2.8V |
| Voltage - Input (Max): | 6V |
| Number of Regulators: | 1 |
| Output Type: | Fixed |
| Output Configuration: | Positive |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
Description
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PMIC stands for Power Management IC and this acronym is used to describe integrated circuits (IC) that are employed in managing power in a variety of different electronic systems. Among the different power management ICs, Voltage regulators are an important class of power management ICs that regulate and maintain the voltage of a system to a specific level. Specifically, linear voltage regulators, one of the major types of voltage regulators, are employed in controlling the output voltage of a power source in order to obtain a stabilized power level to the system. BU28TD3WG-TR is one such linear voltage regulator, and this article provides a detailed overview of its application fields, as well as its working principle.
BU28TD3WG-TR is a fixed voltage regulator that has an output voltage range of 2.7V to 5.5V. This regulator has an input voltage range of 3V to 18V, a tolerance of ±2%, and a maximum output current of 1A. It is suitable for applications whose output voltage needs to be precisely controlled and can be used in both linear and switching power supply applications. For example, it can be used in battery-operated applications in order to maintain the output voltage level at a fixed level and manage an appropriate power level for the system. In addition, the device features a low quiescent current of 22µA, high input ripple rejection ratio, and reverse current protection. All these features make BU28TD3WG-TR an ideal solution for portable and mobile applications such as cell phones and tablets.
When it comes to its working principle, BU28TD3WG-TR is a linear regulator that is composed of a voltage reference, error amplifier, power MOSFET, pass transistor, and loop compensation. The regulator is designed to work as an active circuitry and it follows a close loop feedback regulation strategy for maintaining the output voltage at its desired level. The voltage reference circuit is responsible for determining the reference voltage of the regulator which is the target output voltage it has to maintain. The error amplifier is responsible for producing a comparative signal between the output and the reference voltage which is the error voltage. This error voltage is then used to control the power MOSFET and the pass transistor. At the same time, the loop compensation circuit will ensure the desired output voltage by controlling various parameters such as bandwidth, phase margin, and stability. As such, BU28TD3WG-TR can maintain the output voltage at its desired level, regardless of the fluctuations in the input voltage.
Overall, BU28TD3WG-TR is an ideal linear voltage regulator for precise voltage control in portable and battery-operated applications. The device is designed to work as an active circuitry with a close loop feedback regulation strategy in order to maintain the output voltage at its desired level. With features such as low quiescent current, high input ripple rejection ratio, and reverse current protection, this device is a suitable solution for applications that require precise voltage control and stable power supply.
The specific data is subject to PDF, and the above content is for reference
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