Dual LDO Voltage Linear Regulators Feature 60db PSRR

(Product News, 11 Nov 2008)

Micrel Inc.'s latest dual low dropout (LDO) voltage linear regulators, the MIC5370 and the MIC5371, are rated at 155mV, 150mA, and offer more than 60db Power Supply Ripple Rejection (PSRR). The devices have a low quiescent current of 32µA, and come in a 1.6x1.6mm six-pin leadless thin MLF package, suitable for advanced portable applications including cellular phone RF power, camera modules, imaging sensors for digital still and video cameras, PDAs, portable media players and PC cameras.

The MIC5370 and MIC5371 integrate two, high performance LDOs that offer exceptional transient response while requiring only small and inexpensive 1µF ceramic capacitors. In addition, the MIC5371 offers an auto discharge function. Both the MIC5370 and MIC5371 offer full protection circuitry including current limit and thermal shutdown protection, and an operating junction temperature range of -40°C to 125°C.

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