TPS77601QPWPRG4Q1

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The TPS77601QPWPRG4Q1 is a low-noise, low-dropout linear voltage regulator. It is a 3-terminal device and possesses the capability of providing output voltages ranging from 0.6 V to 5.5 V. The device is primarily intended for low power consumption and low noise applications, such as portable and handheld devices, battery-powered electronics, consumer electronics, and benchtop instruments. It is able to provide high accuracy and low-output ripple while operating over a wide input voltage range.

Features

• Input Voltage Range: 0.8V to 5.5V
• Output Voltage Range: 0.5V to 4.7V
• Fixed Output Voltages: 0.6V, 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, and SOT-23
• Low Dropout Voltage: 75 mV at 300mA
• Load Regulation: 0.2% max
• Current Limit: No external limit required
• Thermal Shutdown and Current Limit Protection
• No Pre-bias Start-up Current

Applications

• Battery-powered equipment
• Portable devices
• Consumer electronics
• Benchtop instruments
• Wireless communications
• A/V electronics
• Automotive electronics

Working Principle

The TPS77601QPWPRG4Q1 utilizes a linear regulator design to provide a very accurate and reliable output voltage. The regulator operates by comparing the voltage between its output and ground terminals to a reference voltage, generated by an internal voltage reference. When the output voltage is greater than the reference voltage, the regulator will turn itself off. This begins a cycle where the regulatoris rephasing, turning off and on, while maintaining the output voltage according to the regulator\'s specified operating parameters.

The device includes a built-in over-current limit, thermal shutdown, and a reverse current protection circuit. The device is also self-protected from inrush current, surging, and short-circuit events. It operates over a wide temperature range, from -40oC to +85oC, and is capable of achieving excellent line and load regulation.

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