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date
05/30/2023
page
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SERIES: PRQE75W-D │ DESCRIPTION: DC-DC CONVERTER
FEATURES
•
•
•
•
•
•
•
•
•
•
75 W isolated output
¼-Brick package with industry standard pin-out
ultra-wide input voltage range, 9~75 V
single regulated output
output short circuit, over current, over voltage, & over temperature protection
3000 Vdc isolation
meets UL/EN/IEC 62368-1
designed to meet EN 61373 and EN 45545-2
meets EN 50155 with external components
5000 meter operating altitude
MODEL
input
voltage
output
voltage
output
current
output
power
ripple
& noise1
efficiency2
max
(W)
max
(mVp-p)
typ
(%)
Vo1/Vo2
nom
(Vdc)
range
(Vdc)
(Vdc)
max
(A)
PRQE75W-E12-S12-D
36
9~75
12
6.25
75
150
90
PRQE75W-E12-S15-D
36
9~75
15
5.00
75
150
90
PRQE75W-E12-S24-D
36
9~75
24
3.12
75
240
90
PRQE75W-E12-S28-D
36
9~75
28
2.67
75
240
90
PRQE75W-E12-S48-D
36
9~75
48
1.56
75
480
90
Notes:
1. Peak to peak, 5Hz to 20MHz bandwidth, full load, 22µF aluminum solid capacitor and 1µF ceramic capacitor.
2. 36Vdc input voltage.
PART NUMBER KEY
PRQE75W - E12 - SXX X - D
Base Number
Input Voltage
Output voltage
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REM On/Off Control:
"blank" = positive logic
N = negative logic
Mounting Style:
D = DIP
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CUI Inc │ SERIES: PRQE75W-D │ DESCRIPTION: DC-DC CONVERTER
date 05/30/2023 │ page 2 of 8
INPUT
parameter
conditions/description
min
input voltage
typ
9
surge voltage
for maximum of 0.1 second
current
at 9 Vdc input voltage, full load
6.7
inrush current
filter
max
units
75
Vdc
100
Vdc
10.5
A
0.1
A2s
max
units
14,000
10,000
3,900
3,200
1,100
μF
μF
μF
μF
μF
Pi filter
no load power consumption
models ON (>4.0 Vdc or on/off pin open circuit)
positive logic
models OFF (on/off pin 0~1.0 Vdc)
remote on/off3
models ON (on/off pin 0~1.0 Vdc)
negative logic
Notes:
models OFF (>4.0 Vdc or on/off pin open circuit)
3. - Voltages referenced to -Vin pin.
OUTPUT
parameter
conditions/description
maximum capacitive load
12
15
24
28
48
voltage accuracy
at 36 Vdc input volage, full load, 25°C
±1.0
%
line regulation
from low line to high line, full load
±0.2
%
load regulation
from full load to no load
switching frequency
PWM mode
transient recovery time
75% ~ 100%, nominal input voltage
transient response deviation
75% ~ 100%, nominal input voltage
temperature coefficient
40°C ~ 105°C
adjustability
output power ≤ max. rated power, via trim pin
remote sense
output power ≤ max. rated power, nominal output voltage
Vdc
Vdc
Vdc
Vdc
Vdc
output
output
output
output
output
min
typ
model
model
model
model
model
±0.2
200
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250
-20
%
kHz
μs
±5
%
±0.02
%/°C
15
%
15
%
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CUI Inc │ SERIES: PRQE75W-D │ DESCRIPTION: DC-DC CONVERTER
date 05/30/2023 │ page 3 of 8
PROTECTIONS
parameter
conditions/description
min
over current protection
auto recovery, hiccup
110
over temperature protection
temperature measured at center of base plate
shutdown
recovery
short circuit protection
continuous, auto recovery
typ
max
units
210
%
110
100
°C
°C
SAFETY AND COMPLIANCE
parameter
isolation voltage
conditions/description
min
typ
max
units
input to output, for 1 minute
3,000
4,200
Vac
Vdc
input to case, for 1 minute
2,100
3,000
Vac
Vdc
output to case, for 1 minute
1,500
2,100
Vac
Vdc
isolation resistance
input to output
isolation capacitance
input to output; output to case
100
MΩ
safety approvals
certified to 62368: UL/EN/IEC
concucted emissions
EN 55032 & EN 50155 Class A (with external filter)
radiated emissions
EN 55032 & EN 50155 Class A (with external filter)
ESD
EN 61000-4-2 Level 3: Air ±8kV, Contact ±6kV Perf. Criteria A
radiated immunity
EN 61000-4-3 Level 3: 80~1000MHz, 20V/m Perf. Criteria A
EFT/burst
EN 61000-4-4 Level 3: On power input port, ±2kV, external input capacitor required Perf. Criteria A
surge
EN 61000-4-5 Level 4: Line to earth, ±4kV, Line to line, ±2kV Perf. Criteria A
conducted immunity
EN 61000-4-6 Level 3: 0.15~80MHz, 10V Perf. Criteria A
magnetic immunity
EN 61000-4-8 Level 1: 50Hz, 1A/m for EN55035:2017 Perf. Criteria A
voltage dips and interruption
EN 50155 Class S3: 20ms interruptions Perf. Criteria A
MTBF
as per MIL-HDBK-217F, 25°C
12 Vdc output model
15 Vdc output model
24 Vdc output model
28 Vdc output model
48 Vdc output model
RoHS
yes
1,000
pF
663
759
750
740
780
kHours
kHours
kHours
kHours
kHours
ENVIRONMENTAL
parameter
conditions/description
min
max
units
ambient operating temperature
see derating curve
-40
105
°C
-55
125
°C
105
°C
95
%
storage temperature
case temperature
measured at center of baseplate
storage humidity
non-condensing
-
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typ
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CUI Inc │ SERIES: PRQE75W-D │ DESCRIPTION: DC-DC CONVERTER
date 05/30/2023 │ page 4 of 8
MECHANICAL
parameter
conditions/description
dimensions
2.28 × 1.45 × 0.50 [57.9 x 36.8 x 12.7 mm]
min
case material
plastic, DAP, UL 94V-0
weight
typ
max
units
inch
66
g
MECHANICAL DRAWING
units: inch [mm]
tolerances: inch: x.xx = ±0.02, x.xxx = ±0.010
mm: x.x = ±0.5, x.xx = ±0.25
PIN Out
PIN
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Function
1
+Vin
2
ON/OFF
3
-Vin
4
-Vo
5
-Sense
6
Trim
7
+Sense
8
+Vo
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CUI Inc │ SERIES: PRQE75W-D │ DESCRIPTION: DC-DC CONVERTER
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date 05/30/2023 │ page 5 of 8
DERATING CURVES
EFFICIENCY CURVES
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EFFICIENCY CURVES (CONTINUED)
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CUI Inc │ SERIES: PRQE75W-D │ DESCRIPTION: DC-DC CONVERTER
date 05/30/2023 │ page 7 of 8
APPLICATION NOTES
Figure 3
Table 3
VOUT
R1
R2
R3
RTRIM
VREF
(Vdc)
(kΩ)
(kΩ)
(kΩ)
(kΩ)
(V)
12
8.2
2.4
0.91
3.9
2.5
15
11.0
2.4
1.0
3.0
2.5
24
19.1
2.32
0.845
3.9
2.5
28
22.6
2.32
1.05
3.9
2.5
48
35.7
2.0
0.698
3.9
2.5
Note:
Value for RTOP, RBOTTOM, RO, and VREF refer to Table 3 (fixed internal values).
RTRIM: Trim resistance
a: User-defined parameter, no actual meanings
VNOM: Nominal output voltage
VOUT: Target output voltage
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CUI Inc │ SERIES: PRQE75W-D │ DESCRIPTION: DC-DC CONVERTER
date 05/30/2023 │ page 8 of 8
REVISION HISTORY
rev.
description
date
1.0
initial release
05/10/2022
1.01
output voltage trimming updated
05/30/2023
The revision history provided is for informational purposes only and is believed to be accurate.
Headquarters
20050 SW 112th Ave.
Tualatin, OR 97062
800.275.4899
Fax 503.612.2383
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techsupport@cui.com
CUI offers a two (2) year limited warranty. Complete warranty information is listed on our website.
CUI reserves the right to make changes to the product at any time without notice. Information provided by CUI is believed to be accurate and reliable. However, no responsibility is
assumed by CUI for its use, nor for any infringements of patents or other rights of third parties which may result from its use.
CUI products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical component is any component of a
life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.