MC33761 Datasheet - ON Semiconductor

MC33761 Ultra Low-Noise Low Dropout Voltage Regulator

Pin # Pin Name Function 1 Vin Powers the IC 2 GND The IC’s ground 3 ON/OFF Shuts or wakes *up the IC 4 NC None 5 Vout Delivers the output voltage Description A positive voltage up to 12 V can be applied upon this pin. A 900 mV level on this pin is sufficient to start the IC.

Ultra Low-Noise Low Dropout Voltage Regulator with 1.0 V ON/OFF Control MC33761 The MC33761 is an Low DropOut (LDO) regulator featuring excellent noise performances. Thanks to its innovative design, the circuit reaches an impressive 40 mVRMS noise level without an external bypass capacitor. Housed in a small SOT 23 5 leads like package, it represents the ideal designer’s choice when space and noise are at premium. The absence of external bandgap capacitor accelerates the response.

MC33761 Features

* Ultra

* Low Noise: 150 nV/√Hz @ 100 Hz, 40 mVRMS 100 Hz

* 100 kHz Typical, Iout = 60 mA, Co = 1.0 mF

* Fast Response Time from OFF to ON: 40 ms Typical at a 200 Hz Repetition Rate

* Ready for 1.0 V Platforms: ON with a 900 mV High Level

* Nominal Output

MC33761_ONSemiconductor.pdf