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NJU72501

New Japan Radio
Part Number NJU72501
Manufacturer New Japan Radio
Description Piezo-sounder Driver
Published Mar 8, 2017
Detailed Description NJU72501 Piezo-sounder Driver with Multi-mode charge pump ■GENERAL DESCRIPTION The NJU72501 is a switching driver with...
Datasheet PDF File NJU72501 PDF File

NJU72501
NJU72501

Overview
NJU72501 Piezo-sounder Driver with Multi-mode charge pump ■GENERAL DESCRIPTION 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.
Because NJU72501 has the shutdown function, it is suitable for the battery application.
■PACKAGE OUTLINE NJU72501MJE NJU72501MG2 ■APPLICATION Healthcare, Wrist Watches, Alarm Clocks, Handheld GPS devices, PDAs ■FEATURES Operating Voltage : 2.
3 to 5.
0V(1x/ 2x Mode), 2.
3 to 3.
4V(3x Mode) Consumption current (Active) : IDS=0.
3mA typ.
(VIN=3V, DIN=4kHz, CPIEZO=15nF,...


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