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STは、超低ドロップアウトおよび高速過渡応答特性を備えた、幅広い低出力 / 中出力LDOレギュレータ製品ラインを提供しています。超低ドロップアウト・シリーズのLDOは、高効率かつコスト効率の高いリニア・パワー・マネージメント(連続負荷電流50mA~3A)の設計を簡素化し、DSP、MCUおよびFPGAに適しています。

New LDO with extended input voltage range features ultra-low dropout and low consumption

The LDO40L is a 400 mA low dropout linear regulator designed for use in harsh automotive and industrial environments. A low operating quiescent current of 45uA makes the device suitable for always-on automotive applications such as in body and interior functions active during car parking.

Able to start up with an input voltage of just 3.5V and operates with up to 38V, the LDO40L ensures correct regulation in applications with wide variations of the power rail (i.e. cold-crank in automotive, unregulated DC rails in industrial applications). Featuring a high PSRR of 70 dB @ 1 kHz and low intrinsic noise performance of 20 µVRMS/VOUT, this ultra-low-dropout regulator is available in a 3 x 3 mm DFN6 package with wettable flanks and is automotive-grade qualified according to AEC-Q100 Level 1.

New LDOs with best cost/performance ratio

The new LDK120 and LDK130 ultra low dropout voltage regulators provide 200 mA and 300 mA of maximum current. The input supply range is 1.9V to 5.5V with a dropout voltage of 100 mV, in shutdown the quiescent current is as low as 1µA. Compatible with a 1 µF ceramic output capacitor, and available in packages as small as 1.2 x 1.3 mm, the devices allow to optimize the space cost and power consumption of your applications.