S-11L10C29-M5T1U

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Linear voltage regulators are a type of power management integrated circuits (PMICs), which convert a variable dc input voltage to a constant dc output voltage. The S-11L10C29-M5T1U is a linear voltage regulator available from Diodes Incorporated, and this application note details the design applications, working principle, and characteristics.The S-11L10C29-M5T1U is a low-dropout (LDO) linear voltage regulator with a fixed output voltage of 10V and an input voltage range of 2.6V to 16V. It is designed for power-sensitive applications and provides a low 35mV dropout voltage at 350mA output current. It has a built-in current limiting circuit, over-temperature protection, and over-current protection. The package size of the S-11L10C29-M5T1U is a tiny 5-pin TO-252-5 package, making it suitable for space-constrained applications. The S-11L10C29-M5T1U is suitable for use in applications such as portable consumer electronics, medical monitoring and test equipment, handheld communication devices, and automotive systems. It is also suitable for applications that require high accuracy and low-voltage dropout with a digital control, such as memory module supplies, computer motherboards, SSDs, and small inverters.The S-11L10C29-M5T1U achieves a stable 10V voltage with an input voltage from 2.6V to 16V. It has a high reliability and device performance with a minimum output current rating of 400mA. When the device is used with a diode-connected FET, it requires no additional components for current limiting, providing greater efficiency and system cost savings.The S-11L10C29-M5T1U uses an internal control circuit to control the output voltage. The control circuit actively compares the output voltage with an internal 10V reference voltage. The output voltage is regulated by adjusting the current applied to an external NPN transistor, which works as an output transistor. This transistor is connected between the output and ground and serves to pull the output voltage down when the output voltage exceeds the 10V reference. When the output voltage falls below the 10V reference, the output transistor is turned off, thus allowing the output voltage to rise.The S-11L10C29-M5T1U can operate at temperatures between -40°C to +85°C and provides a low quiescent current of only 7mA which is ideal for battery-powered applications. It is also design for rad-hard and space applications and has wide input to output voltage range and is capable of withstanding up to 80V load transients.In conclusion, the S-11L10C29-M5T1U is a low-dropout linear voltage regulator with an output voltage of 10V and an input voltage of 2.6V to 16V. It is suitable for use in applications such as portable consumer electronics, medical monitoring and test equipment, handheld communication devices, and automotive systems. The device features over-temperature protection, current limiting circuit, over-current protection, and a tiny 5-pin TO-252-5 package size. In addition, it offers high accuracy and low-voltage dropout with a digital control, as well as rad-hard and space applications and the ability to withstand up to 80V load transients.

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