SNVU180B April   2014  – January 2022 LMZ21700 , LMZ21701

 

  1.   Trademarks
  2. 1Introduction
  3. 2Board Specifications
  4. 3Schematic, Bill of Materials, and PCB Layout
  5. 4Typical Performance
  6. 5Revision History

Typical Performance

GUID-9ED5EC73-A519-405B-ACAE-D80A41D2B088-low.pngFigure 4-1 Efficiency
GUID-9BBA5AA5-8505-4EB4-BBCA-2502CB26E6FB-low.pngFigure 4-3 Line and Load Regulation
GUID-6303137D-95E6-4887-AFBA-E6E09471A913-low.gifFigure 4-5 Output Voltage Ripple (20-MHz Scope BW)
GUID-F983E6D0-DD9D-429D-ACF4-4383199EBB70-low.gifFigure 4-7 Start-Up
GUID-A6DAA8C5-E905-4538-922B-004DB4751FBB-low.gifFigure 4-9 LMZ21701 Radiated EMI (Default BOM), VIN = 12 V, VOUT = 3.3 V, IOUT = 1000 mA
GUID-42F166EF-DACE-4DD4-B12C-D80331FA4B08-low.gifFigure 4-11 LMZ21701 Conducted EMI (1 µF, 2.2 µH Additional Input Filter), VIN = 12 V, VOUT = 3.3 V, IOUT = 1000 mA
GUID-9842D4A0-2D2F-4D69-8C93-3675B6912FDE-low.pngFigure 4-2 Power Dissipation
GUID-1E598139-0758-483D-8924-9DB8FE9E44AE-low.gifFigure 4-4 Load Transient
GUID-93A53F3E-AC71-4C3E-9ED4-F1ACF06D019F-low.gifFigure 4-6 Output Voltage Ripple and HF Noise (500-MHz Scope BW)
GUID-FB5112B7-E681-4A66-B48F-C49B08D93A8A-low.gifFigure 4-8 LMZ21700 Radiated EMI (Default BOM), VIN = 12 V, VOUT = 3.3 V, IOUT = 650 mA
GUID-D87A4974-26D5-4B66-B544-184C0006FB48-low.gifFigure 4-10 LMZ21700 Conducted EMI (1 µF, 2.2 µH Input Filter), VIN = 12 V, VOUT = 3.3 V, IOUT = 650 mA