MC33761: Ultra Low−Noise Low Dropout Voltage Regulator with 1.0 V ON/OFF Control

Description: The MC33761 is a low dropout (LDO) switching volta...
  • The MC33761 is a low dropout (LDO) switching voltage regulator featuring excellent noise performances. Thanks to its innovative design, the circuit reaches an impressive 40uVRMS noise level without an external bypass capacitor. Housed in a small SOT-23 5 leads-like package, this LDO 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 40us (in repetitive mode), making the MC33761 as a natural candidate for portable applications.

    The MC33761 low dropout (LDO) linear voltage regulator 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 -75dB, it naturally shields the downstream electronics against choppy lines.
  • Features
  • Ultra Low-Noise: 150 nV/sq. root Hz @ 100 Hz, 40mVRMS 100 Hz - 100 kHz typical, Iout = 60 mA, Co=1.0mF
  • Fast Response Time from OFF to ON: 40ms Typical at a 200 Hz Repetition Rate
  • Ready for 1.0 V Platforms: ON with a 900 mV High Level
  • Nominal Output Current of 80 mA with a 100 mA Peak Capability
  • 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, 2.9V, 3.0 V, 5.0V
  • Operating Range from -40 to +85°C
  • Dual Version is Available as MC33762
  • Pb-Free Package May be Available. The G-Suffix Denotes a Pb-Free Lead Finish.
  • Applications
  • Noise sensitive circuits: VCOs RF stages etc.
  • Bursting systems (TDMA phones)
  • All battery operated devices
  • Technical Documentation & Design Resources
    Product Change Notification
    Availability and Samples
    MC33761SNT1-025G
  • Status: Active
  • Compliance: Pb-free Halide free 
  • Description: Ultra Low−Noise Low Dropout Voltage Regulator with 1.0 V ON/OFF Control, Vout: 2.5 V
  • Package Type: TSOP-5 / SOT-23-5
  • Package Case Outline: 483
  • MSL: 1
  • Container Type: REEL
  • Container Qty: 3000
  • MC33761SNT1-028G
  • Status: Active
  • Compliance: Pb-free Halide free 
  • Description: Ultra Low−Noise Low Dropout Voltage Regulator with 1.0 V ON/OFF Control, Vout: 2.8 V
  • Package Type: TSOP-5 / SOT-23-5
  • Package Case Outline: 483
  • MSL: 1
  • Container Type: REEL
  • Container Qty: 3000
  • Inventory

  • Market Leadtime (weeks):4 to 8
  • Arrow:0
  • Mouser:>1K
  • MC33761SNT1-029G
  • Status: Active
  • Compliance: Pb-free Halide free 
  • Description: Ultra Low−Noise Low Dropout Voltage Regulator with 1.0 V ON/OFF Control, Vout: 2.9 V
  • Package Type: TSOP-5 / SOT-23-5
  • Package Case Outline: 483
  • MSL: 1
  • Container Type: REEL
  • Container Qty: 3000
  • MC33761SNT1-030G
  • Status: Active
  • Compliance: Pb-free Halide free 
  • Description: Ultra Low−Noise Low Dropout Voltage Regulator with 1.0 V ON/OFF Control, Vout: 3.0 V
  • Package Type: TSOP-5 / SOT-23-5
  • Package Case Outline: 483
  • MSL: 1
  • Container Type: REEL
  • Container Qty: 3000
  • Inventory

  • Market Leadtime (weeks):4 to 8
  • Arrow:0
  • Digikey:>1K
  • Mouser:>1K
  • PandS:>1K
  • MC33761SNT1-050G
  • Status: Active
  • Compliance: Pb-free Halide free 
  • Description: Ultra Low−Noise Low Dropout Voltage Regulator with 1.0 V ON/OFF Control, Vout: 5.0 V
  • Package Type: TSOP-5 / SOT-23-5
  • Package Case Outline: 483
  • MSL: 1
  • Container Type: REEL
  • Container Qty: 3000
  • Inventory

  • Market Leadtime (weeks):4 to 8
  • Arrow:0
  • Digikey:>1K
  • Mouser:>1K
  • Packages
    Specifications
  • Output: Single 
  • Polarity: Positive 
  • VO (V): 2.5  2.8  2.9 
  • IO Typ (A): 0.08 
  • VI Min (V): 2.7 
  • VI Max (V): 12 
  • VDO Typ (V): 0.16 
  • Iq Typ (mA): 0.18 
  • PSRR (dB): 70 
  • Noise (µVrms): 35 
  • Enable: Yes 
  • PowerGood: No 
  • Package Type: TSOP-5 / SOT-23-5 
  • ON Semiconductor Full Web Site