Regulator ICs
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2-channel switching regulator controller
BA9743AFV
The BA9743AFV is a 2-channel switc...
Regulator ICs
www.DataSheet4U.com
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. FApplications DC / DC converters in VCRs, notebook computers, etc. FFeatures 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 voltage is built in. FAbsolute maximum ratings (Ta = 25_C)
4) Built-in reference voltage (2.505V) output pin. 5) Rest period is adjustable over the whole range of duty ratio.
FRecommended operating conditions (Ta = 25_)
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FBlock diagram
BA9743AFV
FPin descriptions
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FElectrical characteristics (unless otherwise noted, Ta = 25_C and VCC = 6V)
BA9743AFV
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FTiming chart
BA9743AFV
FElectrical characteristic curves
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BA9743AFV
FExternal dimensions (Units: mm)
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