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The ZMR-Q series of three terminal fixed positive voltage regulators feature internal current limit and will shut down under thermal overload conditions making the devices difficult to destroy.
The circuit design offers an exceptionally low quiescent current, only 30μA for the 2.5V device, ideal for low power applications. The initial devices in the series regulate to 2.5 or 5V with a drive capability up to 50mA.
All three devices are designed with space saving in mind and are available in the small outline SOT23 package. All three have an input voltage range of at least 20V plus the output voltage.
The ZMR250Q, ZMR330Q and ZMR500Q have been qualified to AEC-Q100 Grade 1 and are Automotive Grade supporting PPAPs.


• Automotive Point of Load Regulation

Product Specifications

Product Parameters

Qualified to AEC-Q10x Yes
Compliance (Only Automotive supports PPAP) Automotive
Dropout Voltage Typical (V) 1.4 V
Operating Input Voltage (V) - V
Output Current (mA) 0.05 A
Output Voltage (V) 2.5 V
PSRR Typ @ 120hz (dB) 75 dB
Quiescent Current Typ (μA) 0.04 mA
Operating Ambient Temperature Range (Junction Temperature) (°C) -55 to 125 °C

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