Rainbow-electronics BA3938 Bedienungsanleitung Seite 1

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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 = 25C)
Recommended operating conditions (Ta = 25C)
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Inhaltsverzeichnis

Seite 1 - Regulator ICs

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

Seite 2 - Regulator ICs BA3938

185Regulator ICs BA3938Block diagramPin descriptions

Seite 3

186Regulator ICs BA3938Input / output circuits

Seite 4

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

Seite 5

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

Seite 6

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

Seite 7

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

Seite 8

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

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