Low Noise/High PSRR 2-output LDO Regulator

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Power Management Products

Asahi Kasei Microdevices Corporation, (AKM), has launched a dual output LDO regulator, the AK1110 that is suitable for low noise and high PSRR applications.

The AK1110 can realize power supply separation with just a single chip without increasing the number of external components in a system with concerns of inter-block interference caused by common power supplies.

  • Low Output Noise & High Ripple Rejection
    The AK1110 adopts a bipolar process with low 1/f noise. In addition, its architecture is redesigned to realize lower output noise and higher PSRR than conventional products.

  • Small Mounting Area with Thin Package
    The AK1110 adopts a PLP 10-2725 package with an exposed pad that has a high heat dissipation capability that contributes to reducing mounting area. Its height is as thin as 0.6 mm. The AK1110 is also suitable for height limited spaces.

Key Features


Input Voltage 6 to 14V
Output Voltage LDO1:5.0V
Maximum Output Current LDO1:200mA
Input-Output Voltage Difference LDO1:360mV (Io=200mA)
LDO2:360mV (Io=100mA)
Output Noise LDO1:2uVrms (10Hz to 100kHz)
LDO2:1uVrms (10Hz to 100kHz)
Ripple Rejection LDO1: 83dB (f=1kHz)
LDO2:100dB (f=1kHz)
Operating Temperature Range -40 to 85℃
Package PLP10-2725 (2.7mm×2.5mm×0.6mm)

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Block Diagram

Block Diagram

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