TPS73101DBVT

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TPS73101DBVT is a low-dropout (LDO) regulator. The device with its different range of output voltage and power dissipation provides a good choice for use in low-voltage, low-power applications.   It features a fast transient response and low output noise plus an adjustable version of current limitation with an active-low power-good signal.

Application Field

The TPS73101DBVT linear regulator is suitable for a wide range of applications, such as low-power microprocessors, ASICs, power management, and instrumentation devices,. It is available in the following packages: DSBGA, PDIP, and SOIC. The TPS73101DBVT is designed for use in battery-powered portable devices such as cell phones, PDAs, digital cameras, and other portable instruments.

Working Principle

The TPS73101DBVT linear regulator works by using a voltage-error amplifier which monitors and compares the output voltage to an internal reference voltage. The error amplifier output is a voltage that-controls the gate of an N-Channel MOSFET, which forms the pass element of the regulator. Output current is limited by sensing excess current flowing out of the output node and then controlling the MOSFET gate voltage to limit the output current.

The TPS73101DBVT also has a low quiescent load current and low noise features. It features a low dropout voltage which allows it to run reliably even when the input supply voltage is close to the output voltage. The main features of TPS73101DBVT are among the others:

• Wide input voltage : 2.8V-36V
• Low dropout voltage : 320mV (Typ.)
• High power dissipation: 250mW
• Programmable current limiting
• Output voltage accuracy of 1%
• Thermal shutdown protection

In summary, the TPS73101DBVT linear regulator is a highly integrated, high-performance, monolithic, power-management solution. It is designed for use in battery-powered portable devices like cell phones, PDAs, digital cameras, and other portable instruments. It features low dropout voltage, low quiescent load current, and low noise, making it suitable for many applications.

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