| Allicdata Part #: | 296-12154-2-ND |
| Manufacturer Part#: |
TPS79301DBVR |
| Price: | $ 0.23 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC REG LIN POS ADJ 200MA SOT23-6 |
| More Detail: | Linear Voltage Regulator IC Positive Adjustable 1 ... |
| DataSheet: |  TPS79301DBVR Datasheet/PDF |
| Quantity: | 6000 |
| 1 +: | $ 0.23000 |
| 10 +: | $ 0.22310 |
| 100 +: | $ 0.21850 |
| 1000 +: | $ 0.21390 |
| 10000 +: | $ 0.20700 |
Specifications
| Current - Output: | 200mA |
| Base Part Number: | TPS79301 |
| Supplier Device Package: | SOT-23-6 |
| Package / Case: | SOT-23-6 |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 150°C |
| Protection Features: | Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) |
| Control Features: | Enable |
| PSRR: | 70dB ~ 43dB (100Hz ~ 100kHz) |
| Current - Quiescent (Iq): | 220µA |
| Series: | -- |
| Voltage Dropout (Max): | -- |
| Voltage - Output (Max): | 5.5V |
| Voltage - Output (Min/Fixed): | 1.22V |
| Voltage - Input (Max): | 5.5V |
| Number of Regulators: | 1 |
| Output Type: | Adjustable |
| Output Configuration: | Positive |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
Description
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The TPS79301DBVR is a regulator device that is part of Texas Instruments\' voltage regulator family. This device is a linear regulator that offers a wide range of features including adjustable output, low-dropout voltage, and low-quiescent current. The TPS79301DBVR is suitable for both system and component-level applications in industrial and commercial applications. This article will discuss the application field and working principle of the TPS79301DBVR.The TPS79301DBVR is a low-dropout (LDO) linear voltage regulator that provides an adjustable output voltage from 0.75 V to 5.5 V, with a dropout voltage of typically less than 300 mV. The device\'s quiescent current is less than 15 μA, making it suitable for use in battery-powered applications that require low power consumption. It also features a dropout gain of 1.2 (typical) and a low output noise of 30 μVrms.The TPS79301DBVR can be used in a variety of applications, such as power management, system reset controllers, logic power supplies, and digital signal processing systems. The adjustable output voltage feature makes it suitable for use in applications that require an output voltage range of 0.75 V to 5.5 V. In addition, its low-power consumption and low-dropout performance make it ideal for managing power in low-voltage systems.In order to understand the working principle of the TPS79301DBVR, it is important to understand how a basic linear voltage regulator works. A linear regulator works by using a pass transistor to drop the input voltage down to the desired output voltage. The current that flows through the transistor is determined by the load resistance, voltage across the transistor and the gain of the transistor. The output voltage is monitored by a voltage divider connected to the output and compared to a reference voltage source. If the output voltage drops, the pass transistor will increase its current allowing more current to flow and thus increasing the output voltage. The regulator will continue in this loop to maintain the output voltage at its desired level.The TPS79301DBVR uses a similar approach but with some additional features. The device features a built-in comparator that monitors both the input and output voltages. When the input voltage drops below the output voltage, the device will reduce the current in order to maintain the output voltage. The device also features a voltage reset control that allows the device to actively reduce its quiescent current when the input voltage drops below a certain threshold. This helps to conserve power and reduce power consumption in applications where the input voltage is lower than the output voltage.In summary, the TPS79301DBVR is a low-dropout linear regulator from Texas Instruments that is suitable for a range of industrial and commercial applications. It features an adjustable output voltage from 0.75 V to 5.5 V, low-dropout voltage, low noise, and an integrated quiescent current reset. The working principle of the device is similar to a basic linear regulator, but it also has additional features that enable it to actively reduce quiescent current and ensure constant power output during periods of low input voltage.
The specific data is subject to PDF, and the above content is for reference
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