S-13R1A36-I4T1U3

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The S-13R1A36-I4T1U3 is a 3-terminal Positive Voltage Regulator from the linear group of power management integrated circuits (PMIC). It functions as a precision high-voltage regulator and provides current limitation for the load. The S-13R1A36-I4T1U3 has an adjustable output voltage range of 1.2V to 37V, and is composed of a low power P-channel MOSFET operating as an adjustable series pass regulator with temperature and over-current protection.

The S-13R1A36-I4T1U3 is ideal for applications that demand both positive and negative output voltages, such as computer power systems, auxiliary power supplies, and voltage regulation in automotive, telecommunications and industrial equipment.

This voltage regulator operates by controlling the base drive applied to the P-channel MOSFETs according to the differences between the reference voltages and the voltage at the output. The reference voltage is set by the external resistors, and the current through the internal output driver is adjusted to maintain the output voltage.

The S-13R1A36-I4T1U3 contains an over temperature protection (OTP) circuit and an over current protection (OCP) circuit that prevents damage to the IC in the event of over current or over temperature conditions. In the event of an over current or over temperature condition, the OCP circuit will shut off the IC, and the OTP circuit will reduce the gate voltage of the output MOSFET to hold it off until the offending condition has been removed.

The S-13R1A36-I4T1U3 also provides thermal management features such as temperature sensing, thermal warning thresholds, and external component thermal sensing. The thermal window monitors both the junction temperature and the external thermal diode temperature, providing protection if either exceeds the programmer’s limit.

This voltage regulator offers a range of integrated features to meet a wide range of design requirements. These include adjustable current limit, adjustable soft start, adjustable output sleep mode, adjustable turn-off threshold, adjustable high current limiting, and adjustable under voltage lockout (UVLO). Additionally, it has fault monitoring which includes both open loop and high load current conditions.

The S-13R1A36-I4T1U3 is available in a variety of package options that can accommodate small footprints, making it ideal for applications where space is at a premium. It has a low quiescent current and a low operational temperature range, making it ideal for energy-efficient designs. Moreover, it complies with the standard RoHS requirements.

In conclusion, the S-13R1A36-I4T1U3 from the linear group of PMIC serves a variety of applications that require both positive and negative output voltages. It is a low power device with thermal protection, adjustable turn-off thresholds, adjustable soft start, and fault monitoring, among other defining features. The S-13R1A36-I4T1U3 is available in several package sizes that can fit into tight spaces or high density designs.

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