P-Duke Power - Quarter-brick DC/DC railway converter from 24~110V

13 September 2017
Offering an onboard application for trains is always a challenge, not in the least due to the widely varying voltage levels, being used in different countries and by different railway companies. P-Duke Power now offers an extremely compact DC/DC converter solution, covering the complete voltage spectrum, used by any railway, enabling you to build one application that fits all, from 24V up to 110V with a 90% efficiency!
P-Duke Power - Quarter-brick DC/DC railway converter from 24~110V

P-Duke Power QAE40U Description

Let's - for instance - take a look at the QAE40U series, available with input ranges of either 9~75VDC or 16~160VDC. You can choose for a 5, 12, 15, 24, 28, 48 or 53VDC version. In the below tables, you'll be able to find all global data. Underneath these tables, you can download the complete product specs.

Technical Specs QAE40U Series

Model Number Input Range
VDC
Output Voltage
VDC
Output Current@Full Load
A
Input Current@ No Load
mA
Efficiency
%
Maximum Capacitor Load
µF
QAE40-36S05U 9 ~ 75 5 8 TBD 89 16000
QAE40-36S12U 9 ~ 75 12 3.33 TBD 89 2800
QAE40-36S15U 9 ~ 75 15 2.67 TBD 89 1800
QAE40-36S24U 9 ~ 75 24 1.67 TBD 88 720
QAE40-36S28U 9 ~ 75 28 1.43 TBD 88 520
QAE40-36S48U 9 ~ 75 48 0.83 TBD 87 180
QAE40-36S53U 9 ~ 75 53 0.75 TBD 87 150
QAE40-72S05U 16 ~ 160 5 8 10 90 16000
QAE40-72S12U 16 ~ 160 12 3.33 10 90 2800
QAE40-72S15U 16 ~ 160 15 2.67 10 90 1800
QAE40-72S24U 16 ~ 160 24 1.67 10 90 720
QAE40-72S28U 16 ~ 160 28 1.43 10 90 520
QAE40-72S48U 16 ~ 160 48 0.83 10 89 180
QAE40-72S53U 16 ~ 160 53 0.75 10 89 150

Input Specifications

Parameter Conditions Min. Typ. Max. Unit
Operating input voltage range   36Vin(nom)
72Vin(nom)
9
16
36
72
75
160
VDC
Start up voltage   36Vin(nom)
72Vin(nom)

  9
16
VDC
Shutdown voltage   36Vin(nom)
72Vin(nom)
7.3
10
  8.1
12
VDC
Start up time Constant resistive load Power up
Remote ON/OFF

75
75
100
100
ms
Input Transient voltage 100 mS, max. 36Vin(nom) 72Vin(nom) 8.1
12

  VDC
Input surge voltage 1 second, max. 36Vin(nom) 72Vin(nom)
  100
185
VDC
Input filter (1)
Pi type
Remote ON/OFF Referred to –Vin pin Negative logic DC-DC ON
Short or 0 ~ 1.2VDC


(Standard) DC-DC OFF
Open or 3 ~ 12VDC


Positive logic DC-DC ON
Open or 3 ~ 12VDC


(Option) DC-DC OFF
Short or 0 ~ 1.2VDC


Input current of Ctrl pin -0.5 1 mA


Remote off input current
3 mA

Output Specifications

Parameter Conditions Min. Typ. Max. Unit
Voltage accuracy
-1.0
+1.0 %
Line regulation Low Line to High Line at Full Load -0.1
+0.1 %
Load regulation No Load to Full Load -0.1
+0.1 %
Voltage adjustability Maximum output deviation is inclusive of remote sense -20
+10 %
Remote sense % of Vout(nom). If remote sense is not being used, SENSE pins should connected to corresponding polarity OUTPUT pins.     10 %

Measured by 20MHz bandwidth
With a 1µF/25V X7R MLCC and a 22µF/25V POS-CAP With a 22µF/25V X7R MLCC
With a 4.7µF/50V X7R MLCC
With a 2.2µF/100V X7R MLCC
5Vout
12Vout, 15Vout
24Vout, 28Vout 48Vout, 53Vout

75 100 200 300   mVp-p
Temperature coefficient
-0.02
+0.02 %/C
Transient response recovery time 25% load step change
250   µs
Over voltage protection % of Vout(nom); Hiccup mode 120
135 %
Over load protection % of Iout rated; Hiccup mode 120
140 %
Short circuit protection
Continuous, automatics recovery

Download the specs

QAE40UQAE60UHAE200U
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