BA9743AFV Rohm, BA9743AFV Datasheet
BA9743AFV
Manufacturer Part Number
BA9743AFV
Description
Manufacturer
Rohm
Datasheet
1.BA9743AFV.pdf
(5 pages)
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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 volt-
FAbsolute maximum ratings (Ta = 25_C)
FRecommended operating conditions (Ta = 25_)
2-channel switching regulator controller
BA9743AFV
Regulator ICs
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.
307
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BA9743AFV Summary of contents
Page 1
... BA9743AFV The BA9743AFV is a 2-channel switching regulator controller that uses a pulse width modulation (PWM) system. Both channels can be used for converter operations including step up, step down, and inverting. Because the IC is compactly packaged best suited for use as a power supply in portable equipment. ...
Page 2
... Regulator ICs FBlock diagram FPin descriptions 308 BA9743AFV ...
Page 3
... Regulator ICs FElectrical characteristics (unless otherwise noted 25_C and V BA9743AFV = 6V) CC 309 ...
Page 4
... Regulator ICs FTiming chart FElectrical characteristic curves 310 BA9743AFV ...
Page 5
... Regulator ICs FExternal dimensions (Units: mm) BA9743AFV 311 ...