(PDF) BA3940A Datasheet - System power supply for CD radio cassette players

Número de pieza	BA3940A
Descripción	System power supply for CD radio cassette players
Fabricantes	ROHM Semiconductor
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No Preview Available ! Regulator ICs System power supply for CD radio cassette players BA3940A With built-in 9V, 7V, and 5V outputs, the BA3940A system power supply IC is best suited for use in CD radio cassette players. FApplications CD radio cassette players FFeatures 1) One 9V output, two 7V outputs (switched by MODE SW, only one output is available at the same time) and one 5V output are built in. 2) Output current limit circuit protects the IC against short-circuiting damage. 3) Thermal protection circuit prevents heat damage to the IC. 4) Compact SIP-M12 package allows a large power dis- sipation. FAbsolute maximum ratings (Ta = 25_C) FRecommended operating conditions (Ta = 25_C) 192 1 page Regulator ICs FCircuit operation Vo1, Vo2 and Vo4 rise when ST pin is 1.8V. With voltage ap- plied on ST, the Vo2 output turns OFF when MODE is 1.6V (typical), and Vo3 turns ON when MODE is 3.2V (typical). BA3940A FApplication example 196 5 Page

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PDF BA3940A Data sheet ( Hoja de datos )