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The LTC3388IMSE-1 is a 20V, high-efficiency, milli-micro-power step-down voltage regulator. It only absorbs 720nA (typical value) of the DC power supply current when there is no load and maintains the output voltage regulation function. Furthermore, the LTC3388IMSE-1 can provide a load current of 50mA and also has an under-voltage lockout (UVLO) function, which is used to disable the converter and maintain a low static current state when the input voltage drops below 2.3V.

Main features

The LTC3388IMSE-1 voltage regulator has the following main features:

In the regulated state, input IQ as 720nA (unloaded, VIN = 4V)

In the regulated state, input IQ as 820nA (no-load, VIN = 20V)

Input an IQ of 400nA in the UVLO state

Input working voltage range: 2.7V to 20V

The output current is as high as 50mA

Output voltages that can be selected through pins: 1.2V, 1.5V, 1.8V, 2.5V

High-efficiency hysteresis synchronous DC/DC conversion

The standby mode can prohibit the operation of the voltage reduction switch

It adopts a 10-pin MSE package

Furthermore, due to its characteristics of low quiescent current and high efficiency, LTC3388IMSE-1 is highly suitable for the following application scenarios:

Battery-powered devices ‌ : such as remote monitors and wireless sensor networks (WSN), require long standby time and short pulse load power.

Energy Harvesting applications ‌ : Environmental energy harvesting systems such as thermoelectric generators, piezoelectric elements, photovoltaic elements and current elements.

Industrial control power supply ‌ : Industrial control systems that require high efficiency and low power consumption ‌.

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