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date 01/24/2019
page 1 of 11
SERIES: PYBE30 │ DESCRIPTION: DC-DC CONVERTER
FEATURES
• up to 30 W isolated output
• industry standard pin-out
• 4:1 input range (9~36 Vdc, 18~75 Vdc)
• single/dual regulated outputs
• 1500 Vdc isolation
• continuous short circuit protection
• efficiency up to 90%
• operating temperature range (-40~+85°C)
• UL 60950-1 approval on select models
MODEL input
voltage
output
voltage
output
current
output
power
ripple
& noise1
eciency2
typ
(Vdc)
range
(Vdc) (Vdc)
min
(mA)
max
(mA)
max
(W)
max
(mVp-p)
typ
(%)
PYBE30-Q24-S3324 9~36 3.3 0 6000 19.8 100 85
PYBE30-Q24-S5324 9~36 5 0 6000 30 100 86
PYBE30-Q24-S9324 9~36 9 0 3333 30 100 88
PYBE30-Q24-S12324 9~36 12 0 2500 30 100 90
PYBE30-Q24-S15324 9~36 15 0 2000 30 100 90
PYBE30-Q24-S24324 9~36 24 0 1250 30 100 90
PYBE30-Q24-D5 24 9~36 ±5 0 ±3000 30 150 86
PYBE30-Q24-D12 24 9~36 ±12 0 ±1250 30 150 89
PYBE30-Q24-D15 24 9~36 ±15 0 ±1000 30 150 89
PYBE30-Q24-D24 24 9~36 ±24 0 ±625 30 150 89
48 18~75 3.3 0 6000 19.8 100 86
PYBE30-Q48-S5348 18~75 5 0 6000 30 100 87
PYBE30-Q48-S12348 18~75 12 0 2500 30 100 88
PYBE30-Q48-S15348 18~75 15 0 2000 30 100 89
PYBE30-Q48-S24348 18~75 24 0 1250 30 100 87
PYBE30-Q48-D5 48 18~75 ±5 0 ±3000 30 150 86
PYBE30-Q48-D12 48 18~75 ±12 0 ±1250 30 150 88
PYBE30-Q48-D15 48 18~75 ±15 0 ±1000 30 150 88
Notes: 1. From 5~100% load, nominal input, 20 MHz bandwidth oscilloscope, with 10 µF tantalum and 1 µF ceramic capacitors on the output. From 0~5% load, ripple and noise is
<5% Vo.
to the input reverse polarity protection.
3. UL approved.
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date 01/24/2019 │ page 2 of 11CUI Inc │ SERIES: PYBE30 │ DESCRIPTION: DC-DC CONVERTER
INPUT
parameter conditions/description min typ max units
operating input voltage524 Vdc input models
48 Vdc input models
9
18
24
48
36
75
Vdc
Vdc
start-up voltage524 Vdc input models
48 Vdc input models
9
18
Vdc
Vdc
surge voltage
for maximum of 1 second
24 Vdc input models
48 Vdc input models
-0.7
-0.7
50
100
Vdc
Vdc
under voltage shutdown 24 Vdc input models
48 Vdc input models
5.5
12.0
6.5
15.5
Vdc
Vdc
current
24 Vdc input models
3.3 Vdc output models
5 Vdc output models
all other models
993
1453
1488
mA
mA
MA
48 Vdc input models
3.3 Vdc output models
5 Vdc output models
all other models
485
726
744
mA
mA
mA
6
turn on (3.5~12 Vdc or open circuit)
5 8 mA
input reverse polarity protection
no load power consumption 0.14 W
OUTPUT
parameter conditions/description min typ max units
maximum capacitive load7
3.3, 5 Vdc output models
9 Vdc output models
12 Vdc output models
15 Vdc output models
±5 Vdc output models
±12 Vdc output models
24, ±15 Vdc output models
±24 Vdc output models
10,000
4,700
2,700
1,680
2,000
1,250
680
470
voltage accuracy80% to 5% load
5% to full load
±1
±1
±5
±3
%
%
line regulation
from low line to high line, full load
positive outputs
negative outputs
±0.2
±0.5
±0.5
±1
%
%
load regulation9
from 5% to full load
positive outputs
negative outputs
±0.5
±0.5
±1
±1.5
%
%
Note: 7. Tested at input voltage range and full load.
8. At 0~5% load, the max output voltage accuracy for the ±5 & ±9 Vdc output models is ±5%.
9. At 0~100% load, the max load regulation is ±5%.
PART NUMBER KEY
Base Number
PYBE30 - QXX - X XX - X
Output Voltage
Output:
Mounting Style:
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date 01/24/2019 │ page 3 of 11CUI Inc │ SERIES: PYBE30 │ DESCRIPTION: DC-DC CONVERTER
OUTPUT (CONTINUED)
parameter conditions/description min typ max units
cross regulation
dual output models:
main output 50% load
secondary output from 10~100% load
±5 %
start-up time nominal input, constant resistive load 10 ms
adjustability10 see application notes ±10 %
switching frequency11 PWM mode 300 kHz
transient recovery time 25% load step change, nominal input voltage 300 500
transient response deviation
25% load step change, nominal input voltage
3.3, 5, ±5 Vdc output models
all other models
±5
±3
±8
±5
%
%
at full load ±0.03 %/°C
Note: 10. For single output models only
11. Value is based on full load. At loads <50%, the switching frequency decreases with decreasing load.
PROTECTIONS
parameter conditions/description min typ max units
over voltage protection 110 160 %
over current protection 110 190 %
short circuit protection hiccup, continuous, self recovery
SAFETY AND COMPLIANCE
parameter conditions/description min typ max units
isolation voltage input to output for 1 minute at 1 mA 1,500 Vdc
isolation resistance input to output at 500 Vdc 1,000
isolation capacitance input to output, 100 kHz / 0.1 V 2,000 pF
safety approvals12, 13 UL 60950-1, EN 62368-1
conducted emissions
radiated emissions
ESD
radiated immunity
EFT/burst
surge
conducted immunity
MTBF 1,000,000 hours
yes
13. CE approval for all models.
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date 01/24/2019 │ page 4 of 11CUI Inc │ SERIES: PYBE30 │ DESCRIPTION: DC-DC CONVERTER
ENVIRONMENTAL
parameter conditions/description min typ max units
operating temperature see derating curves -40 80 °C
storage temperature -55 125 °C
storage humidity non-condensing 5 95 %
vibration 10~55 Hz, for 30 minutes on each axis 10
DERATING CURVES
Ambient Temperature (°C)
Output Load (%)
-40
60
80
100
40
20
045 80
Temperature Derating Curve
(Natural Convection)
120
75
0
50
(20LFM)
(200LF
M)
(100LF
M)
Ambient Temperature (°C)
Output Load (%)
-40
60
80
100
40
20
050 80
Temperature Derating Curve
(Natural Convection)
120
75
0
55
(20LFM)
(200LF
M)
(100LF
M)
58
Ambient Temperature (°C)
Output Load (%)
-40
60
80
100
40
20
050 80
Temperature Derating Curve
(Natural Convection)
120
75
0
58
(20LFM)
(200LF
M)
(100LF
M)
40
Ambient Temperature (°C)
Output Load (%)
-40
60
80
100
40
20
055 80
Temperature Derating Curve
(Natural Convection)
120
75
0
60
(20LFM)
(200LF
M)
(100LF
M)
40
Applicable models:
PYBE30-Q24-D5 (9-18 Vdc input voltage),
PYBE30-Q24-D24 (9-18 Vdc input voltage),
PYBE30-Q48-D5 (18-36 Vdc input voltage)
Applicable models:
PYBE30-Q24-D5 (18-36 Vdc input voltage),
PYBE30-Q24-D24 (18-36 Vdc input voltage),
PYBE30-Q48-D5 (36-75 Vdc input voltage),
PYBE30-Q24-D12, PYBE30-Q24-D15,
PYBE30-Q48-D12, PYBE30-Q48-D15
Applicable models:
PYBE30-Q24-S3, PYBE30-Q24-S5,
PYBE30-Q48-S3, PYBE30-Q48-S5
Applicable models:
PYBE30-Q24-S9, PYBE30-Q24-S12,
PYBE30-Q24-S15, PYBE30-Q24-S24,
PYBE30-Q48-S12, PYBE30-Q48-S15,
PYBE30-Q48-S24
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date 01/24/2019 │ page 5 of 11CUI Inc │ SERIES: PYBE30 │ DESCRIPTION: DC-DC CONVERTER
units: mm [inch]
tolerance: ±0.50[±0.020]
pin diameter tolerance: ±0.10[±0.004]
MECHANICAL
parameter conditions/description min typ max units
dimensions
board mount: 50.80 x 25.40 x 11.80 [2.000 x 1.000 x 0.465 inch]
chassis mount: 76.00 x 31.50 x 21.20 [2.992 x 1.240 x 0.835 inch]
mm
mm
mm
case material aluminum alloy
weight
board mount
chassis mount
26
48
68
g
g
g
MECHANICAL DRAWING (BOARD MOUNT)
Function
Single Dual
1 Vin Vin
2
3
4 trim -Vo
5 0V 0V
6+Vo +Vo
Top View
10 Sec. Max.
Wave Soldering Time
4 Sec. Max.
Peak Temp. 260°C Max.
Time (sec.)
Temperature (°C)
250
200
150
100
50
0
SOLDERABILITY14
parameter conditions/description min typ max units
hand soldering 1.5 mm from case for 10 seconds 300 °C
wave soldering 260 °C
Note: 14. For board mount models only.
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date 01/24/2019 │ page 6 of 11CUI Inc │ SERIES: PYBE30 │ DESCRIPTION: DC-DC CONVERTER
units: mm [inch]
tolerance: ±0.50[±0.020]
tightening torque: max 0.4 N*m
MECHANICAL DRAWING (DIN-RAIL MOUNT)
Function
Single Dual
1
2
3 Vin Vin
4 trim -Vo
5 0V 0V
6+Vo +Vo
units: mm [inch]
tolerance: ±0.50[±0.020]
tightening torque: max 0.4 N*m
MECHANICAL DRAWING (CHASSIS MOUNT)
Function
Single Dual
1
2
3 Vin Vin
4 trim -Vo
5 0V 0V
6+Vo +Vo
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date 01/24/2019 │ page 7 of 11CUI Inc │ SERIES: PYBE30 │ DESCRIPTION: DC-DC CONVERTER
APPLICATION CIRCUIT
Figure 1
Single Output Models
Table 1
DC DC
Vin
GND
+Vo
0V
Cin
Cout
EMC RECOMMENDED CIRCUIT
Table 2
Figure 3
Single Output Models
Vin (Vdc) 24 48
FUSE choose according to actual input current
MOV
C0 680 µF / 50 V 330 µF / 100 V
C1 330 µF / 50 V 330 µF / 100 V
C2 4.7 µF / 50 V 2.2 µF / 100 V
C3
LCM 1 mH
CY1, CY2 1 nF / 2 kV
Vout
(Vdc)
Cin
Cout
3.3/5/9 100 220
12/15/24 100 100
±5/±12/±15 100 220
±24 100 100
Figure 2
Dual Output Models
Vin
GND
+Vo
0V
Cin
Cout
DC DC
-Vo
Cout
This series has been tested according to the following recommended circuits (Figures 1 & 2) before leaving the factory.
capacitors of low equivalent impedance provided that the capacitance is less than the maximum capacitive load of the
model.
Table 3
Vin (Vdc) 24 48
FUSE choose according to actual input current
MOV
C0 680 µF / 50 V 330 µF / 100 V
C1 2.2 µF / 50 V 2.2 µF / 100 V
C2 2.2 µF / 50 V 2.2 µF / 100 V
C3 330 µF / 50 V 330 µF / 100 V
C4
LDM1 3.3 µH
CY1, CY2 2.2 nF / 4 kV
Figure 4
Dual Output Models
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date 01/24/2019 │ page 8 of 11CUI Inc │ SERIES: PYBE30 │ DESCRIPTION: DC-DC CONVERTER
Table 4
Vout
(Vdc)
Vref
(V)
3.3 4.801 2.87 12.4 1.24
5 2.883 2.87 10 2.5
9 7.500 2.87 15 2.5
12 11.000 2.87 15 2.5
15 14.494 2.87 15 2.5
24 24.872 2.87 17.8 2.5
Output voltage trimming
Leave open if not used.
(part in broken line is the interior of models)
T
Vo': The trim up/down voltage
Figure 5
+Vo
0V
R
2
R
1
R
3
V
re f
R
T
Trim
0V
R
2
R
1
R
3
V
ref
R
T
Tr
im
+Vo
Tr im up Tr im down
a
-a
R
2
aR 1
R2
-a
R1-R3
-R3
:a=
Vref
Vref
Vo’ - Vref
Vo’ - Vref
R
1
R=
T
:a= R
2
R=
T
up
down
APPLICATION NOTES
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date 01/24/2019 │ page 11 of 11CUI Inc │ SERIES: PYBE30 │ DESCRIPTION: DC-DC CONVERTER
Headquarters
20050 SW 112th Ave.
800.275.4899
Fax 503.612.2383
cui.com
techsupport@cui.com
rev. description date
1.0 initial release 01/24/2019
The revision history provided is for informational purposes only and is believed to be accurate.
REVISION HISTORY
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