Seiko has announced the S-1312/1313 series, said to be the world’s smallest outer lead package LDO voltage regulators, featuring 850 mW dissipation, thermal shutdown capability, high ripple rejection and ultra-low 0.9-µA consumption.
The regulators have been optimised for use in smartphones, mobile phones, digital cameras, notebook PCs, hearing aids and other battery-operated portable devices.
Thermal shutdown protection is built in, automatically protecting the circuit when the junction temperature reaches 150°C and restarts regulation when it drops to 120°C. Overcurrent protection is also a built-in feature.
Current consumption has been reduced while providing good ripple rejection of 75 dB (typical). Output voltage is maintained with high accuracy within ±1.0%.
The package incorporates a heat sink capable of 850 mW dissipation (board size 40 x 40 x 0.8 mm, four layers, copper ratio 50%).
Phone: 02 9791 3324
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