HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR

The AP2121 series are positive voltage Regulator ICs fabricated by CMOS process. Each of these ICs con- sists of a Voltage Reference an error Amplifier a resis- tor network for setting output voltage, a current limit circuit for current protection and a chip-enable circuit (5-pin products only). The AP2121 series feature high supply voltage ripple rejection, low dropout voltage, low noise, high output voltage accuracy, and low current consumption which make them ideal for use in various battery-powered devices. The AP2121 series have 1.2V, 1.3V, 1.5V, 1.8V, 2.5V, 2.8V, 3.0V, 3.2V and 3.3V versions. By BCD Semiconductor Manufacturing Limited
AP2121 's PackagesAP2121 's pdf datasheet
AP2121N-1.2TRE1
AP2121N-1.3TRE1
AP2121N-1.5TRE1
AP2121N-1.8TRE1
AP2121N-2.5TRE1
AP2121N-2.8TRE1
AP2121N-3.0TRE1
AP2121N-3.2TRE1
AP2121N-3.3TRE1
AP2121AK-1.2TRE1
AP2121AK-1.3TRE1
AP2121AK-1.5TRE1
AP2121AK-1.8TRE1
AP2121AK-2.5TRE1
AP2121AK-2.8TRE1
AP2121AK-3.0TRE1
AP2121AK-3.2TRE1
AP2121AK-3.3TRE1




AP2121 Pinout, Pinouts
AP2121 pinout,Pin out
This is one package pinout of AP2121,If you need more pinouts please download AP2121's pdf datasheet.

AP2121 Application circuits
AP2121 circuits
This is one application circuit of AP2121,If you need more circuits,please download AP2121's pdf datasheet.


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