This manual introduces the functions and characteristics of BA9743AFV, BA9744FV, BA9741F/FS devices, application circuits and so on.
The BA9744FV is a dual‑channel IC that integrates a switching regulator controller using pulse‑width modulation. Both channels can operate as step‑up, step‑down, or inverting converters, making the device suitable for compact portable equipment.
Typical applications include LCD, PC, AV, printer, DVD, projector, TV, fax, copying machines, and other measuring equipment. The note provides absolute maximum ratings, electrical characteristics, pin assignments, and ordering information.
| Supply voltage (VCC) | 2.5 V to 35 V |
|---|---|
| Output pin voltage (typical) | 1.222 V |
| Oscillation frequency range | 10 kHz to 800 kHz |
| Operating temperature range | -40 °C to +85 °C |
The BA9744FV operates with a supply voltage (VCC) from 2.5 V to 35 V.
The typical reference output voltage is 1.222 V.