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Electrical Performance Specifications
3 Electrical Performance Specifications
Table 1. UCD3138PFCEVM-026 Electrical Performance Specifications
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
Input Characteristics
Voltage range 90 264 VAC
Line frequency 47 63 Hz
Input current, peak Input = 90 VAC, 60 Hz, full load = 0.92 A 6.5 7.0 A
Input current, RMS Input = 90 VAC, 60 Hz, full load = 0.92 A 4.5 5.5
Input UVLO On PFC function start (no load) 86 90 VAC
Input UVLO Off PFC function stop (no load) 80 83
Power factor Half load 0.99 -
THD, input current 10% to 30% full load 10%
30% to 100% full load 5%
Output Characteristics
Output voltage, V
OUT
No load to full load 390 VDC
Output load current, I
OUT
90 VAC to 264 VAC 0.92 A
Output voltage ripple Full load and 115 VAC, 60 Hz 13 Vpp
Full load and 230 VAC, 50 Hz 15
Output over current 0.95 A
Systems Characteristics
Switching frequency Normal operation 100 kHz
Peak efficiency 230 VAC, full load 96%
Full load efficiency 115 VAC, full load 94%
Operating temperature Natural convection 25 ºC
5
SLUU885B–March 2012–Revised July 2012 Digitally Controlled Single-Phase PFC Pre-Regulator
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Copyright © 2012, Texas Instruments Incorporated
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