LDO regulator has ultra low self current for automotive designs

LDO regulator has ultra low self current for automotive designs

New Products |
By Nick Flaherty

The S-19213/4 automotive LDO regulator series features a 36V (45V rating) input, 1.8 – 30V output, 5.0μA self-current consumption, 125℃ operation and 500mA output current for the S-19213 and 1000mA for the S-19214. Low self-current consumption in standby mode helps reduce standby current, while high-power dissipation during operation enables supply of high output current. 

The S-19213/4 Series complies with both the AEC-Q100 automotive IC quality standard and the Production Part Approval Process (PPAP).

The greater multi-functionality and electrification of the automobile has meant a steady increase in the number of engine control units (ECUs) in vehicles. This reduces the standby current permissible for each ECU, meaning it is essential to lower not only the current consumption of microcontrollers, but also the self-current consumption of the power-supply ICs to reduce the standby current. Other factors, such as the multi-functionality of microcontrollers, mean the units need an ever-increasing amount of current to operate. 

The S-19213 and S-19214 automotive LDO regulator series will serve to lower ECU standby current by balancing the conflicting needs of low self-current consumption and high output current.

The parts have been subjected to the three-temperature test (low, normal and high temperature). It will comply with the AEC-Q100 reliability and quality test defined by the Automotive Electronics Council (AEC). They are also compliant with the Production Part Approval Process (PPAP).

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