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199

Regulator ICs

System power supply for CD player-

equipped audio systems

BA3950A

With 13.3V (external transistor required), 12V, 10V, and 5.6V outputs, the BA3950A power supply IC is best suited for

CD player-equipped audio systems.

Applications

CD player-equipped audio systems

Features

1) 13.3V (external transistor required), 12V, 10V, and

5.6V outputs are built in (one output for each volt-

age).

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.

Absolute maximum ratings (Ta = 25C)

Recommended operating conditions (Ta = 25C)

1 2 3 4 5 6 7 8

Regulator ICs 1
Regulator ICs BA3950A 2

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Página 1 - Regulator ICs

199Regulator ICsSystem power supply for CD player-equipped audio systemsBA3950AWith 13.3V (external transistor required), 12V, 10V, and 5.6V outputs,

Página 2 - Regulator ICs BA3950A

200Regulator ICs BA3950ABlock diagramPin descriptions

Página 3

201Regulator ICs BA3950AInput / output circuits

Página 4

202Regulator ICs BA3950AElectrical characteristics (unless otherwise noted, Ta = 25C and VCC = 8V)

Página 5

203Regulator ICs BA3950ACircuit operationThe MAIN, MOTOR, and µ-COM outputs rise when ST is 1.4V (Typ.).The CDP output rises when MODE is 1.4V (Typ.)

Página 6

204Regulator ICs BA3950AApplication exampleOperation notes(1) Operating power supply voltageWhen operating within proper ranges of power supplyvolta

Página 7

205Regulator ICs BA3950A(4) Overcurrent protection circuitAn overcurrent protection circuit is installed in each out-put system, based on the respecti

Página 8

External dimensions (Units: mm)206Regulator ICs BA3950A

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Rainbow-electronics BA3950A Manual do Utilizador

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