9743A Datasheet | BA9743A





(PDF) 9743A pdf File Download

Part Number 9743A
Description BA9743A
Manufacture Rohm
Total Page 5 Pages
PDF Download Download 9743A PDF File

Features: Regulator ICs www.DataSheet4U.com 2-cha nnel switching regulator controller BA9 743AFV The BA9743AFV is a 2-channel swi tching regulator controller that uses a pulse width modulation (PWM) system. B oth channels can be used for DC / DC co nverter operations including step up, s tep down, and inverting. Because the IC is compactly packaged, it is best suit ed for use as a power supply in portabl e equipment. FApplications DC / DC conv erters in VCRs, notebook computers, etc . FFeatures 1) Built-in reference volta ge current (±1%). 2) Timer latch, shor t-circuit protection circuit is built i n. 3) Circuit to prevent malfunction du ring low input voltage is built in. FAb solute maximum ratings (Ta = 25_C) 4) Built-in reference voltage (2.505V) out put pin. 5) Rest period is adjustable o ver the whole range of duty ratio. FRe commended operating conditions (Ta = 25 _) 307 Regulator ICs www.DataSheet4U. com FBlock diagram BA9743AFV FPin des criptions 308 Regulator ICs www.DataSheet4U.com FElectrical ch.

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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 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.
FAbsolute maximum ratings (Ta = 25_C)
FRecommended operating conditions (Ta = 25_)
307

              






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