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The LTC3026EMSE#TRPBF is a 1.5A low input voltage VLDO (Very Low Dropout) linear regulator from Analog Devices Inc. (ADI). This device is designed to provide stable and efficient power conversion in applications where space is constrained and low dropout voltage is required.

Key Features:

1. Low Input Voltage Range:

   • The LTC3026EMSE#TRPBF operates over a wide input voltage range, starting from as low as 1.14V and going up to 3.5V when the internal boost converter is enabled. With an external 5V boost, the input voltage range extends up to 5.5V.

2. Adjustable Output Voltage:

   • The output voltage of the LTC3026EMSE#TRPBF is adjustable, ranging from 0.4V to 2.6V. This is achieved through the use of two external resistors, which allow the device to be programmed for a specific output voltage.

3. High Output Current:

   • The LTC3026EMSE#TRPBF can deliver an output current of up to 1.5A, making it suitable for applications that require high power density.

4. Low Dropout Voltage:

   • The dropout voltage of this device is only 100mV at an output current of 1.5A, ensuring efficient power conversion even when the input and output voltages are close.

5. Stability and Reliability:

   • The LTC3026EMSE#TRPBF is stable with 10μF or greater ceramic output capacitors, ensuring reliable operation in various applications. It also includes internal current limit, overtemperature shutdown, and reverse output current protection features to safeguard against faults and overstress conditions.

6. Compact Package:

   • This device is available in a small 10-lead MSOP or low-profile 10-lead 3mm × 3mm DFN package, making it easy to integrate into space-constrained designs.

7. High Efficiency:

   • The LTC3026EMSE#TRPBF offers high efficiency, making it an ideal choice for applications where power consumption is a critical concern.

8. Additional Features:

   • The LTC3026EMSE#TRPBF also includes features such as excellent supply rejection near dropout, shutdown functionality that disconnects the load from the input and boost supply, and low operating and shutdown currents.

Applications:

The LTC3026EMSE#TRPBF is suitable for a wide range of applications, including but not limited to:

• Post regulators for switching supplies
• Microprocessor power supplies
• Low-voltage, high-current distribution systems
• Battery-powered devices

In summary, the LTC3026EMSE#TRPBF is a versatile and efficient 1.5A low input voltage VLDO linear regulator that offers a combination of high power density, low dropout voltage, and compact packaging. Its features make it an ideal choice for applications where space is constrained and reliable power conversion is required.