SLVUA04A February   2014  – January 2022 LMZ31704 , LMZ31707 , LMZ31710

 

  1. 1 Description
  2. 2 Getting Started
  3. 3 Test Point Descriptions
  4. 4 Operation Notes
  5. 5 Current Limitations
  6. 6 Performance Data
  7. 7 2× Parallel Bill of Material
  8. 8 2× Parallel Schematic
  9. 9 4× Parallel Bill of Material
  10. 104× Parallel Schematic
  11. 11Revision History

5 Current Limitations

When operating LMZ31710 devices in parallel, the maximum output current the solution can provide must be calculated using Equation 1. Due to internal variances between devices, the amount of output current must be de-rated to ensure none of the devices operate above the maximum output current of a single device (10 A). See Figure 5-1 for typical current balancing between four LMZ31710 devices.

Equation 1. IOUTmax = 0.9 × (n × 10) (A)

where

  • n is the number of LMZ31710 devices being paralleled.
GUID-3EA3F489-863E-451C-A071-E453C941DD64-low.png Figure 5-1 Typical Current Balancing