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
Copyright © 2012, Texas Instruments Incorporated