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307

Regulator ICs

2-channel switching regulator controller

BA9743AFV

The BA9743AFV is a 2-channel switching regulator controller that uses a pulse width modulation (PWM) system. Both

channels can be used for DC / DC converter operations including step up, step down, and inverting. Because the IC is

compactly packaged, it is best suited for use as a power supply in portable equipment.

Applications

DC / DC converters in VCRs, notebook computers, etc.

Features

1) Built-in reference voltage current (±1%).

2) Timer latch, short-circuit protection circuit is built in.

3) Circuit to prevent malfunction during low input volt-

age is built in.

4) Built-in reference voltage (2.505V) output pin.

5) Rest period is adjustable over the whole range of

duty ratio.

Absolute maximum ratings (Ta = 25C)

Recommended operating conditions (Ta = 25)

1 2 3 4 5

BA9743AFV 1
Regulator ICs BA9743AFV 2

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Página 1 - BA9743AFV

307Regulator ICs2-channel switching regulator controllerBA9743AFVThe BA9743AFV is a 2-channel switching regulator controller that uses a pulse width m

Página 2 - Regulator ICs BA9743AFV

308Regulator ICs BA9743AFVBlock diagramPin descriptions

Página 3

309Regulator ICs BA9743AFVElectrical characteristics (unless otherwise noted, Ta = 25C and VCC = 6V)

Página 4

310Regulator ICs BA9743AFVTiming chartElectrical characteristic curves

Página 5

311Regulator ICs BA9743AFVExternal dimensions (Units: mm)

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Rainbow-electronics BA9743AFV Manual do Utilizador

Consulte online ou descarregue Manual do Utilizador para Sensores Rainbow-electronics BA9743AFV. Rainbow Electronics BA9743AFV User Manual Manual do Utilizador

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