Rainbow-electronics BA3938 Manual do Utilizador descarregar pdf (Página 1)

184

Regulator ICs

System power supply for CD radio

cassette players

BA3938

The BA3938 is a system power supply IC for use in CD radio cassette players. With one 11V output and interlocked

outputs of 8.5V, 5V, 9V, and V

CC, the IC is best suited for CD radio cassette players.

Applications

CD radio cassette players

Features

1) One 11V output (external transistor required) and in-

terlocked outputs of 8.5V, 5V, 9V, and V

CC are built in.

2) Output current limit circuit protects the IC against

short-circuiting damage.

3) Compact HSIP-B12 package allows a large power

dissipation.

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 BA3938 2

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184Regulator ICsSystem power supply for CD radio cassette playersBA3938The BA3938 is a system power supply IC for use in CD radio cassette players. Wi

Página 2 - Regulator ICs BA3938

185Regulator ICs BA3938Block diagramPin descriptions

Página 3

186Regulator ICs BA3938Input / output circuits

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187Regulator ICs BA3938Electrical characteristics (unless otherwise noted, Ta = 25C and VCC = 15.0V)

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188Regulator ICs BA3938Circuit operationAll outputs rise when voltage is applied on the STANDBY pin.

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189Regulator ICs BA3938Application exampleOperation notes(1) Operating power supply voltageWhen operating within proper ranges of power supplyvoltag

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190Regulator ICs BA3938(5) Thermal protection circuitA built-in thermal protection circuit prevents thermaldamage to the IC. All outputs except VCC +

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External dimensions (Units: mm)191Regulator ICs BA3938

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Rainbow-electronics BA3938 Manual do Utilizador Página 1

Consulte online ou descarregue Manual do Utilizador para Sensores Rainbow-electronics BA3938. Rainbow Electronics BA3938 User Manual Manual do Utilizador

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