NJU72501 Overview
The NJU72501 is a switching driver with multi mode charge pump for piezo-sounder. It can drive outputs up to 18Vpp from 3V supply. For adjusting the piezoelectric sounder sound volume, the charge pump can operate in either of a 1x, 2x or 3x mode.
NJU72501 Key Features
- Operating Voltage
- Consumption current (Active) : IDS=0.3mA typ. (VIN=3V, DIN=4kHz, CPIEZO=15nF, 1x Mode)
- Input Signal Detector & Shutdown Control
- Output Short-circuit Protection Circuit
- C-MOS Technology
- Package Outline
- Direct replacement to MAS6240