LT1761IS5-2#TRPBF

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LT1761IS5-2#TRPBF is a linear voltage regulator specifically designed as a drop-in replacement for the LM317 and TL431. It features a wide input voltage and output current range, high performance and low power quiescent current. This voltage regulator is available in a small SOT-223 package, making it ideal for space constrained, portable applications.

The prime application field of LT1761IS5-2#TRPBF lies in the design and construction of portable electronic devices. The linear voltage regulator’s combination of small form factor and wide input voltage and output current range makes it a natural choice for use in applications like personal digital assistants, cordless telephones, digital cameras and GPS receivers. The device is also suited for battery powered systems, providing regulated output voltage with minimal power dissipation when the device is running.

The LT1761IS5-2#TRPBF features a guaranteed temperature range of −40°C to +125°C and a 0 to +6V input voltage range. The available output voltage is 1.25 to 27V, with a maximum output current of 1.5A. The device also features an adjustable output voltage, making it suitable for use in a wide range of applications. It provides fast transient response time and wide dynamic regulation range.

The working principle of the LT1761IS5-2#TRPBF is based on the circuit schematic of a Linear Voltage Regulator (LVR). An LVR is a voltage converter that provides a regulated output voltage without any significant power loss. It is composed of three main components: an input voltage regulator (IVR), a pass transistor and an output voltage regulator (OVR). The input voltage regulator senses the input voltage and provides a reference voltage to the pass transistor and output voltage regulator. The pass transistor switches the input voltage, generating pulses and supplying the required output voltage. The output voltage regulator senses the pulses and provides a regulated output voltage.

The LT1761IS5-2#TRPBF also features over-voltage and short-circuit protection, which prevents the device from shorting out when the output is shorted to ground. The current limit is usually set by an external resistor and can be set up to 1.5A. The device also features a shutdown pin to enable/disable the device, as well as an enable pin for power sequencing.

The LT1761IS5-2#TRPBF linear voltage regulator is an advanced device that provides high performance and low power consumption in a small package. It is well-suited for use in portable electronic devices and battery powered systems, providing regulated output voltage with minimal power dissipation. The device also features adjustable output voltage, fast transient response time and wide dynamic regulation range.

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