BD9763FVM is a 1-channel high efficiency step-up switching regulator from ROHM. It has a max switching frequency of 1.2MHz, high accuracy reference voltage (2.5V±1.0%), establish maximum duty cycle internally, CTL/SS terminal for both stand-by and soft-start function (soft-start time can be set by external capacitor) etc.
The BD9763FVM is a single‑channel, high‑efficiency step‑up switching regulator with a built‑in under‑voltage lock‑out circuit and a 2.5 V ±1 % reference voltage. It operates up to a maximum switching frequency of 1.2 MHz, allowing a compact design for applications such as cameras, video devices, LCD modules, and DVD drives.
Key features include a maximum duty cycle of 99.5 %, soft‑start control via the CTL/SS pin, and a thin MSOP8 package. The document details absolute maximum ratings, recommended operating conditions, electrical characteristics, pin configuration, block diagrams, and recommended external components for optimal performance.
| Maximum supply voltage (VCC) | 10 V |
|---|---|
| Storage temperature range | -55 °C to +150 °C |
| Power dissipation | 587 mW |
| Maximum junction temperature | +150 °C |
| Operating supply voltage range | 4 V – 9 V |
| Oscillating frequency range | 100 kHz – 1200 kHz |
| Typical reference voltage | 2.5 V ±1 % |
| Maximum duty cycle | 99.5 % |
| Package type | MSOP8 |
The maximum supply voltage (VCC) is 10 V.
The oscillator can be set between 100 kHz and 1200 kHz.
It is supplied in an MSOP8 package.
The UVLO threshold is typically 3.8 V.