cui.com
date 09/28/2012 │ page 2 of 4CUI Inc │ SERIES: PTK10 │ DESCRIPTION: DC-DC CONVERTER
INPUT
parameter conditions/description min typ max units
operating input voltage 10
20
24
48
36
72
Vdc
Vdc
OUTPUT
parameter conditions/description min typ max units
line regulation
(low line to high line)
single output
dual output
±0.5
±1.0
%
%
load regulation
measured from 10% to full load
single output models - no load to full load
dual output models - balanced loads
±1.0
±2.5
%
%
voltage accuracy positive, refer to recommended circuit
negative, refer to recommended circuit
±1
±3
±3
±5
%
%
switching frequency constant 300 kHz
temperature coeffi cient ±0.03 %/°C
PROTECTIONS
parameter conditions/description min typ max units
over-current continuous, automatic recovery
4
105 135 %
over-voltage internal protection zener
4
110 140 %
Notes: 4. continuous operation in a protected state may compromise long-term reliability.
SAFETY AND COMPLIANCE
parameter conditions/description min typ max units
effi ciency typical at full load 77 83 %
isolation voltage input/case, input/output, output/case 500 Vac
insulation resistance at 500 Vdc 100
MΩ
RoHS compliant yes
MTBF MIL-HDBK-217F 580,000 hours
ENVIRONMENTAL
parameter conditions/description min typ max units
case operating temperature regular models - see derating curve
extended temperature models
-20
-40
71
85
°C
storage temperature -40 105 °C
storage humidity non-condensing 5 95 %
temperature rise 100% load 40 °C
lead temperature 1.5 mm from the case for 10 seconds 300 °C
DERATING CURVES
output power vs. ambient temperaure
For more information, please visit the product page.