TPS70445PWPG4

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TPS70445PWPG4 is a linear regulator that belongs to the family of PMIC (Power Management ICs) - Voltage Regulators. It is a low dropout (LDO) regulator and operates over an extended input voltage range. It is designed to provide a regulated output voltage in a wide range of output current, typically up to 500mA, and features low dropout voltage and low quiescent current. The TPS70445PWPG4 is ideal for a variety of applications including digital consumer, computer, and automotive product.

Applications of TPS70445PWPG4

The TPS70445PWPG4 is ideal for a variety of applications where a low output current is required such as:

• Digital consumer applications
• Computer applications
• Automotive applications
• Portable electronics
• Battery-powered applications
• PoE (Power Over Ethernet) applications

Features of TPS70445PWPG4

The TPS70445PWPG4 includes the following features:

• Low Dropout (LDO) voltage regulator
• Wide input voltage range from 3V to 6.5V
• High output current up to 500mA
• Low dropout voltage and low quiescent current
• Integrated ESD protection
• Available in three output voltage options: 3.3, 5 and adjustable
• RoHS compliant package

Working Principle of TPS70445PWPG4

The TPS70445PWPG4 is an integrated low dropout (LDO) voltage regulator that operates over an extended input voltage range. It is a linear regulator that is designed to provide a regulated output voltage in a wide range of output current, typically up to 500mA. The TPS70445PWPG4 features a low dropout voltage, low quiescent current, integrated ESD protection, and is available in three output voltage options: 3.3, 5 and adjustable.

The TPS70445PWPG4 uses an internal P-channel MOSFET transistor as a pass element and takes advantage of the low ON-resistance of MOSFETs to reduce the dropout voltage and the quiescent current. The regulator has internal current and thermal limiting circuitry to protect the output voltage and the device in the case of over-load condition. The error amplifier allows to adjust the output voltage with an external resistor divider. Finally, the device also features an enable pin that can be used to put the device in a low quiescent current standby mode.

The input voltage is applied to the pass element and regulated down to the output voltage by the regulator. The overcurrent protection and current limit circuitry provide protection by monitoring the voltage drop across the pass element. Thermal overload protection circuit is also implemented to keep the device within its safe operating temperature limit.

The TPS70445PWPG4 is an integrated linear regulator designed to provide a regulated output voltage in a wide range of output current. It can be used in a vast array of applications, such as digital consumer, computer, automotive, portable electronic and PoE applications. It features low dropout voltage, low quiescent current, and is available in three output voltage options.

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