TPS75325QPWPG4 Allicdata Electronics
Allicdata Part #:

TPS75325QPWPG4-ND

Manufacturer Part#:

TPS75325QPWPG4

Price: $ 2.84
Product Category:

Integrated Circuits (ICs)

Manufacturer: Texas Instruments
Short Description: IC REG LINEAR 2.5V 1.5A 20HTSSOP
More Detail: Linear Voltage Regulator IC Positive Fixed 1 Outpu...
DataSheet: TPS75325QPWPG4 datasheetTPS75325QPWPG4 Datasheet/PDF
Quantity: 1000
140 +: $ 2.58107
Stock 1000Can Ship Immediately
$ 2.84
Specifications
Series: --
Packaging: Tube 
Part Status: Active
Output Configuration: Positive
Output Type: Fixed
Number of Regulators: 1
Voltage - Input (Max): 5.5V
Voltage - Output (Min/Fixed): 2.5V
Voltage - Output (Max): --
Voltage Dropout (Max): --
Current - Output: 1.5A
Current - Quiescent (Iq): 125µA
PSRR: 60dB (100Hz)
Control Features: Enable, Power Good, Reset Output
Protection Features: Over Current, Over Temperature, Reverse Polarity
Operating Temperature: -40°C ~ 125°C
Mounting Type: Surface Mount
Package / Case: 20-PowerTSSOP (0.173", 4.40mm Width)
Supplier Device Package: 20-HTSSOP
Base Part Number: TPS75325
Description

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PMIC (power management integrated circuits) are essential components in today\'s electronic systems as they provide a means of efficiently regulating and controlling power to various components. Voltage regulators are one of the most important types of PMICs as they can convert and maintain a sought after voltage level required by the device. The TPS75325QPWPG4 is a linear voltage regulator by Texas Instruments, and is one of the most popular voltage regulators on the market. In this article, the application field and working principle of the TPS75325QPWPG4 will be discussed.

The TPS75325QPWPG4 is a low-dropout (LDO) linear regulator with integrated compensation. It features an input voltage range of 1.5V to 5.5V and an output voltage range of 0.8V to 4.5V. Its special built-in features make it suitable for mobile devices. It provides up to 200mA of continuous output current and up to 800mA of peak output current. These features make it ideal for applications that require a low-power, low-voltage supply, such as mobile phones, digital cameras, and other portable electronic devices.

The TPS75325QPWPG4 offers a range of options for programmability, making it extremely versatile for different applications. It incorporates an enable (EN) pin for manual power-up/power-down sequencing, and an enable control pin (CTRL) for hardware-controlled power sequencing. The enable pin can be used to override the enable control pin to provide power control from an external source, such as a button or switch. The TPS75325QPWPG4 also has an adjustable loop compensation that can be used to optimize the loop performance for different loads. With a programmable soft-start feature, the TPS75325QPWPG4 helps reduce in-rush currents during power-up, thus reducing transient effects and helping to reduce power demand.

The TPS75325QPWPG4 is designed to meet the tight load and line regulation requirements of portable electronics. Its low-quiescent current of 1.5μA and low shutdown current of 0.1μA make it ideal for power-sensitive applications. The device also features thermal shutdown protection, current limiting, and a programmable clear delay time. Its advanced internal circuitry and precise SINK current monitoring circuit ensure accuracies and stability even with light loads.

In terms of its working principle, the TPS75325QPWPG4 uses an internal error amplifier to compare the voltage at the output terminal to a reference voltage. When the voltage at the output terminal drops below the reference voltage, the error amplifier signals to the output transistor to turn on, allowing current and voltage to flow to the output terminal. When the output voltage reaches the reference voltage, the error amplifier signals for the output transistor to turn off, thus stopping the flow of current and voltage from the input terminal to the output terminal. This cycles repeats until the output voltage of the IC is able to maintain the reference voltage.

In conclusion, the TPS75325QPWPG4 is an efficient, low-dropout linear regulator, ideal for portable electronic devices. Its programmable features and precise monitoring circuit ensure high stability and efficiency even at light loads. Its low-quiescent current and low shutdown current, as well as its on-chip thermal shutdown protection, make it a great choice for applications requiring a low-power, low-voltage supply. By understanding its application field and working principle, users will be able to make an informed decision when selecting the TPS75325QPWPG4 for their projects.

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

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