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MC33762DM-3030R2
Dual Ultra Low-Noise Low Dropout Voltage Regulator with 1V ON/OFF Control
MC33762
Dual Ultra Low-Noise Low
Dropout Voltage Regulator
with 1.0 V ON/OFF Control
The MC33762 is a dual Low DropOut (LDO) regulator featuring
excellent noise performances. Thanks to its innovative design, the
circuit reaches an impressive 40 μVRMS noise level
without anexternal bypass capacitor. Housed in a small μ8 package, it represents
the ideal designer’s choice when space and noise are at premium.
The absence of external bandgap capacitor accelerates the response
time to a wake−up signal and keeps it within 40 μs, making the
MC33762 as a natural candidate for portable applications.
The MC33762 also hosts a novel architecture which prevents
excessive undershoots in the presence of fast transient bursts, as in any
bursting systems.
Finally, with a static line regulation better than −75 dB, it naturally
shields the downstream electronics from choppy lines.
Features Nominal Output Current of 80 mA with a 100 mA Peak Capability Ultra−Low Noise: 150 nV/√Hz @ 100 Hz, 40 μVRMS
100 Hz−100 kHz Typical, Iout = 60 mA, Co = 1.0 μF Fast Response Time from OFF to ON: 40 μs Typical Ready for 1.0 V Platforms: ON with a 900 mV High Level Typical Dropout of 90 mV @ 30 mA, 160 mV @ 80 mA Ripple Rejection: 70 dB @ 1.0 kHz 1.5% Output Precision @ 25°C Thermal Shutdown Vout Available at 2.5 V, 2.8 V, and 3.0 V Separate Dice for Each Regulator Provides Maximum Isolation
Between Regulators Operating Range from −40 to +85°C
Applications Noise Sensitive Circuits: VCOs RF Stages, etc. Bursting Systems (TDMA Phones) All Battery Operated Devices
