Dual LDO Drives Primary Cell Applications

Diodes Incorporated’s AP7345D family of dual low-dropout (LDO) voltage regulators feature a high-power supply rejection ratio (PSRR) and low quiescent current, making them suitable for applications powered by primary cells such as AA or AAA batteries. The regulator offers an independent voltage input with an enable pin for controlling the output. Each channel switches off or on within approximately 10 µs of the EN pin changing state, while the EN pin on each channel can also be tied high if output control is not required.

 

The AP7345D family features a PSRR of 75 dB at 1 kHz, across the full output voltage range. The input voltage range extends from 1.7V to 5.25V and each of the two channels can deliver up to 300 mA. Other features include short-circuit protection.

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The family comprises 22 devices covering a range of fixed dual-input/dual-output voltages between 1.2V and 3.6V, with an accuracy of ±1%. The AP7345D comes in an X2-DFN1612-8 package. For further information, download and absorb the AP7345D datasheet.

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