1 All models are also available in an extended temperature range of -40°C~85°C. For these models,
append “M” to the model number, e.g. PTK15-Q48-S5M-T.
2 Ripple & noise measured with a 20MHz bandwidth, off a 10uF electrolytic and a 0.1uF ceramic cap in parallel at the
ouptut.
Derating Curve
V-Infinity, LLC, 9615 SW Allen Blvd Suite 103, Beaverton, OR 97005
www.v-infinity.com
1-866-372-1258
2/4
PTK25 Screw Terminal Series DC-DC Converter
REV. 06-2007
Input
Parameter
Input voltage range
Remote on/off control
Switching frequency
Conditions/Description
Min
18
36
2.5V
0V
Nom
24
48
(open)
(short)
300
Max
36
72
5.5V
0.8V
KHz
Units
VDC
VDC
Output turn-on
3
Output turn-off
Constant
Note:
3 Output defaults to “on” when there is no connection to the “CNT” pin.
Output
Parameter
Output trim range
Set point accuracy
Line regulation
(Low line to high line)
Conditions/Description
Min
Nom
Max
Units
With external trim resistors
-5%
+5%
Single output
-2%
+2%
Dual output
-3%
+3%
Single output models
-0.25%
+0.25%
Dual output models
-2.5%
+2.5%
Triple: main output (Vout)
-0.25%
+0.25%
auxillary outputs (+Vaux / -Vaux)
-5%
+5%
Single output models - no load to full load
-0.25%
+0.25%
Dual output models - balanced loads
-2.5%
+2.5%
Triple: main output (Vout)
-0.25%
+0.25%
auxillary outputs(+Vaux / -Vaux) - with 10% load
-5%
+5%
on Vout and balanced loads on +Vaux and -Vaux
Converters will not be damaged if loading conditions are less than minimum specified loads,
but regulation specs may not be met
See chart
Load regulation
Minimum load
Ripple and noise
Protection
Parameter
Conditions/Description
4
Min
Nom
Max
135%
140%
Units
Over-current
Continuous auto recovery
105%
4
Over-voltage
Internally zener clamped
110%
Note:
4 Continuous operation in a protected state may compromise long-term reliability.
General
Parameter
Efficiency
Dielectric withstand
Insulation resistance
Agency standards
Case material
Material flammability
Weight
Continuous/Description
Min
Typical at full load
77%
Input/case, input/output, output/case
500
at 500 VDC
100M
Approved to UL60950, CSA C22.2 No. 60950, TUV EN60950
94 V-0
80
(2.82)
450k
-20
-40
-40
5%
grams
(ounces)
hours
+71
°C
+85
°C
+105
°C
95%
RH
Nom
Max
83%
Units
VAC
Ohms
Zn
MTBF
MIL-HDBK-217F
Operating temperature Regular models - see derating curve.
Extended temperature models
Storage temperature
Humidity
Operating(non-condensing)
V-Infinity, LLC, 9615 SW Allen Blvd Suite 103, Beaverton, OR 97005
www.v-infinity.com
1-866-372-1258
3/4
PTK25 Screw Terminal Series DC-DC Converter
REV. 06-2007
Single Output
Dual Output
V-Infinity reserves the right to make changes to its products or to discontinue any product or service without notice, and to advise customers to verify the most up-to-date product
information before placing orders. V-Infinity assumes no liability or responsibility for customer's applications using V-Infinity products other than repair or replacing (at V-I's option) V-
Infinity products not meeting V-I's published specifications. Nothing will be covered outside of standard product warranty.
V-Infinity, LLC, 9615 SW Allen Blvd Suite 103, Beaverton, OR 97005
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