LT1761ES5-BYP#TRMPBF

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The LT1761ES5-BYP#TRMPBF is a family of precise, low dropout, low noise, linear voltage regulators which are used for a variety of applications such as instrumentation and control systems.

The linear voltage regulator provides a regulated output voltage from a unregulated input voltage across a regulating range of 1.8V–15V. The LT1761ES5-BYP#TRMPBF has an adjustable output voltage range, adjustable current limit, and a power good output monitor.

The LT1761ES5-BYP#TRMPBF has a wide operating temperature range of -45C to +85C and is available in a 10-pin MSOP or a 12-pin SOIC Surface Mount Package. The LT1761ES5-BYP#TRMPBF has a full load efficiency of 95%.

The LT1761ES5-BYP#TRMPBF is suitable for a variety of applications, including instrumentation and control systems, medical equipment, communication systems, motor control and automotive electronics.

Working Principle

The LT1761ES5-BYP#TRMPBF works by using a band gap reference circuit to produce a stable voltage reference voltage. The reference voltage is then compared to the input voltage, and the output voltage is adjusted as needed to keep the output voltage within the specified range. The output voltage is adjusted by controlling the internal PNP transistor, which is connected between the output node and ground.

The current limit of the LT1761ES5-BYP#TRMPBF is set by a 5.6kΩ internal resistor. A power good output is also provided to allow for monitoring of the operating conditions of the regulator. The power good output will be active when the voltage output is within 6.5V ±15mV.

The LT1761ES5-BYP#TRMPBF has an input voltage range of 2.7V–17V and an adjustable output voltage range of 1.8V–15V. The maximum output current is 500mA with a maximum dropout voltage of 1.2V at 500mA. The regulator has a quiescent current of 1mA and is available in a 10-pin MSOP or a 12-pin SOIC Surface Mount Package.

The LT1761ES5-BYP#TRMPBF also features current fold back/overload protection if the output current exceeds the specified current limit. The current limit can be set from 250mA to 1.5A using an external resistor. The current fold back will limit the output current to 1A for current limit trips greater than 1A. The current limit is adjustable from 1.5 to 6 times the external resistor.

The LT1761ES5-BYP#TRMPBF also provides an output voltage trim adjustment and a power good monitor. The output voltage can be adjusted from 1.8V to 15V using an external resistor divider. The power good output is active when the voltage is within 6.5V ±15mV. The power good output will be high (meaning the regulator is operating within its specified range) when the LT1761ES5-BYP#TRMPBF is operating correctly and low (meaning the output voltage is outside of its specified range) when the output voltage is outside of its specified range.

The LT1761ES5-BYP#TRMPBF is suitable for a variety of applications including instrumentation and control systems, medical equipment, communication systems, motor control and automotive electronics.

Overall, the LT1761ES5-BYP#TRMPBF is an ideal choice for applications requiring precise, low dropout, low noise, linear voltage regulation capabilities.

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