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08/18/2014
1 of 7
SERIES:
PYB30-U
│
DESCRIPTION:
DC-DC CONVERTER
FEATURES
• up to 30 W isolated output
• industry standard pinout
•
•
•
•
•
•
•
•
4:1 input range (9~36 Vdc, 18~75 Vdc)
smaller package
single/dual/triple regulated outputs
1,500 Vdc isolation
continuous short circuit, over current protection, over voltage protection
temperature range (-40~85°C)
six-sided metal shielding
efficiency up to 90%
MODEL
typ
(Vdc)
input
voltage
range
(Vdc)
output
voltage
(Vdc)
min
(mA)
output
current
max
(mA)
output
power
max
(W)
ripple
and noise
1
max
(mVp-p)
efficiency
typ
(%)
PYB30-Q24-S5-U
PYB30-Q24-S12-U
PYB30-Q24-S15-U
PYB30-Q24-D5-U
PYB30-Q24-D12-U
PYB30-Q24-D15-U
PYB30-Q24-T312-U
PYB30-Q24-T315-U
PYB30-Q24-T512-U
PYB30-Q24-T515-U
PYB30-Q48-S5-U
PYB30-Q48-S12-U
PYB30-Q48-S15-U
PYB30-Q48-D5-U
PYB30-Q48-D12-U
PYB30-Q48-D15-U
PYB30-Q48-T312-U
PYB30-Q48-T315-U
PYB30-Q48-T512-U
PYB30-Q48-T515-U
Notes:
24
24
24
24
24
24
24
24
24
24
48
48
48
48
48
48
48
48
48
48
9~36
9~36
9~36
9~36
9~36
9~36
9~36
9~36
9~36
9~36
18~75
18~75
18~75
18~75
18~75
18~75
18~75
18~75
18~75
18~75
5
12
15
±5
±12
±15
3.3
±12
3.3
±15
5
±12
5
±15
5
12
15
±5
±12
±15
3.3
±12
3.3
±15
5
±12
5
±15
300
125
100
±150
±63
±50
175
±31
175
±25
150
±31
150
±25
300
125
100
±150
±63
±50
175
±31
175
±25
150
±31
150
±25
6000
2500
2000
±3000
±1250
±1000
3500
±625
3500
±500
3000
±625
3000
±500
6000
2500
2000
±3000
±1250
±1000
3500
±625
3500
±500
3000
±625
3000
±500
30
30
30
30
30
30
26.5
26.5
30
30
30
30
30
30
30
30
26.5
26.5
30
30
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
88
88
90
86
89
90
85
86
88
88
88
88
89
86
87
87
85
85
88
87
1. Ripple and noise are measured at 20 MHz BW by “parallel cable” method with 1 µF ceramic and 10 µF electrolytic capacitors on the output.
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CUI Inc
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SERIES:
PYB30-U
│
DESCRIPTION:
DC-DC CONVERTER
date
08/18/2014
│
page
2 of 7
PART NUMBER KEY
PYB30 - QXX -
XXX
-
X
- U
Base Number
Input Voltage
Mounting Type
U = U-Frame
Output
S = single
D = dual
T = triple
Output Voltage
Heatsink
"blank" = no heatsink
H = with heatsink
INPUT
parameter
operating input voltage
start-up voltage
under voltage shutdown
1
surge voltage
start-up time
filter
CTRL
2
Notes:
conditions/description
24 Vdc input models
48 V input models
24 Vdc input models
48 Vdc input models (single/dual output models)
48 Vdc input models (triple output models)
24 Vdc input models
48 Vdc input models
for maximum of 1 second
24 Vdc input models
48 Vdc input models
pi filter
min
9
18
typ
24
48
max
36
75
9
18
17.8
units
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
7.8
16
-0.7
-0.7
10
50
100
Vdc
Vdc
ms
models ON (CTRL open or connect high level, 2.5~12 Vdc)
models OFF (CTRL connect GND or low level, 0~1.2 Vdc)
input current (models OFF)
1. Contact CUI if you are planning to use this feature in your application.
2. CTRL pin voltage is referenced to GND.
1
mA
OUTPUT
parameter
line regulation
conditions/description
full load, input voltage from low to high
single and dual output models
triple output models (main output)
triple output models (auxiliary outputs)
5% to 100% load, nominal input
single and dual output models
triple output models (main output)
triple output models (auxiliary outputs)
dual output models:
main output 50% load, secondary output from
10% to 100% load
single and dual output models
triple output models (main output)
triple output models (auxiliary outputs)
PWM mode
25% load step change
25% load step change
100% load, single and dual output models
100% load, triple output models
±1
±1
±3
±10
400
300
±3
500
±5
±0.02
±0.03
min
typ
±0.2
max
±0.5
±1
±5
±1
±2
±5
±5
±3
±3
±5
units
%
%
%
%
%
%
%
%
%
%
%
kHz
μs
%
%/°C
%/°C
load regulation
3
±0.5
cross regulation
voltage accuracy
adjustability
4
switching frequency
transient recovery time
transient response deviation
temperature coefficient
Notes:
3. For dual output models, unbalanced load can not exceed ±5%. If ±5% is exceeded, it may not meet all specifications.
4. Output trimming available on single and dual output models only.
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SERIES:
PYB30-U
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DESCRIPTION:
DC-DC CONVERTER
date
08/18/2014
│
page
3 of 7
PROTECTIONS
parameter
short circuit protection
over current protection
over voltage protection
3.3 Vdc output models
5 Vdc output models
12 Vdc output models
15 Vdc output models
conditions/description
hiccup, continuous, automatic recovery
150
3.9
6.2
15
18
%
Vdc
Vdc
Vdc
Vdc
min
typ
max
units
SAFETY AND COMPLIANCE
parameter
isolation voltage
isolation resistance
conducted emissions
radiated emissions
ESD
radiated immunity
EFT/burst
surge
conducted immunity
voltage dips & interruptions
MTBF
RoHS
conditions/description
for 1 minute at 1 mA max.
at 500 Vdc
min
1,500
1,000
typ
max
units
Vdc
MΩ
CISPR22/EN55022, class A, class B (external circuit required, see Figure 1-b)
CISPR22/EN55022, class A, class B (external circuit required, see Figure 1-b)
IEC/EN61000-4-2, class B, contact ± 4kV
IEC/EN61000-4-3, class A, 10V/m
IEC/EN61000-4-4, class B, ± 2kV (external circuit required, see Figure 1-a)
IEC/EN61000-4-5, class B, ± 2kV (external circuit required, see Figure 1-a)
IEC/EN61000-4-6, class A, 3 Vr.m.s
IEC/EN61000-4-29, class B, 0%-70%
as per MIL-HDBK-217F @ 25°C
2011/65/EU
1,000,000
hours
ENVIRONMENTAL
parameter
operating temperature
storage temperature
storage humidity
case temperature
non-condensing
at full load, Ta=71°C
conditions/description
see derating curve
min
-40
-55
5
typ
max
85
125
95
105
units
°C
°C
%
°C
MECHANICAL
parameter
dimensions
case material
weight
conditions/description
U-Frame: 67.5 x 54.99 x 19.05
U-Frame with heatsink: 67.5 x 54.99 x 22.90
aluminum alloy
U-Frame
U-Frame with heatsink
58
78
g
g
min
typ
max
units
mm
mm
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DESCRIPTION:
DC-DC CONVERTER
date
08/18/2014
│
page
4 of 7
MECHANICAL DRAWING
U-FRAME
units: mm[inch]
tolerance: ±0.5[±0.020]
Wire range: 22~14 AWG
DIN rail mounting kit available
(part# STK-DIN)
PIN CONNECTIONS
PIN
1
2
3
4
5
6
7
8
Single
Output
Vin
GND
CTRL
Case
NC
Trim
0V
+Vo
Dual
Output
Vin
GND
CTRL
Case
Trim
-Vo
0V
+Vo
Triple
Output
Vin
GND
CTRL
Case
-Vo2
0V
+Vo1
+Vo2
4.01 0.158
0.010 (TYP)
19.05 0.750
1.00 0.039
1
2
3
4
5
6
7
8
22.23 0.875
0.010
34.01 1.339
0.010
50.11 1.973
54.99 2.165
4.75 0.187
(2 PLCS)
3.51 0.138
(2 PLCS)
20.32 0.800
0.010 (2 PLCS)
67.51 2.658
12.19 0.480
Top View
52.99 2.086
54.99 2.165
5.21 0.205
(2 PLCS)
10.99 0.433
0.010 (2 PLCS)
33.02 1.300
0.010 (2 PLCS)
M3x4
(5 PLCS)
Bottom View
Front View
U-FRAME WITH HEATSINK
units: mm[inch]
tolerance: ±0.5[±0.020]
Wire range: 22~14 AWG
DIN rail mounting kit available
(part# STK-DIN)
4.75 0.187
(2 PLCS)
54.99 2.165
3.51 0.138
(2 PLCS)
20.32 0.800
0.010 (2 PLCS)
34.01 1.339
0.010
67.51 2.658
50.11 1.973
PIN CONNECTIONS
PIN
1
2
3
4
5
6
7
8
Single
Output
Vin
GND
CTRL
Case
NC
Trim
0V
+Vo
Dual
Output
Vin
GND
CTRL
Case
Trim
-Vo
0V
+Vo
Triple
Output
Vin
GND
CTRL
Case
-Vo2
0V
+Vo1
+Vo2
4.01 0.158
0.010 (TYP)
22.90 0.902
1.00 0.039
(TYP)
1
2
3
4
5
6
7
8
22.23 0.875
0.010
12.19 0.480
Top View
52.99 2.086
5.21 0.205
(2 PLCS)
10.99 0.433
0.010 (2 PLCS)
33.02 1.300
0.010 (2 PLCS)
M3x4
(5 PLCS)
Bottom View
Front View
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│
SERIES:
PYB30-U
│
DESCRIPTION:
DC-DC CONVERTER
date
08/18/2014
│
page
5 of 7
DERATING CURVES
Temperature Derating Curve
With heatsink
100
80
60
40
20
Without heatsink
Load (%)
Safe operating area
-40
-20
0
20
40
60
70
85
Ambient Temperature (°C)
EMC RECOMMENDED CIRCUIT
Figure 1
Table 1
Recommended external circuit components
Vi n
+Vo
Single Output
Vi n
FU SE
LDM
LCM
C3
Vin (Vdc)
FUSE
L O AD
24
10D560K
56μH
SMCJ48A
120μF/50V
4.7μF/50V
2.2mH
4.7μF/50V
1nF/2kV
1nF/2kV
48
10D101K
56μH
SMCJ90A
120μF/100V
2.2μF/100V
2.2mH
2.2μF/100V
1nF/2kV
1nF/2kV
MO V
GND
TVS
C0
C1
C2
EUT
GND
0V
Choose according to input current
MOV
LDM
TVS
C0
C1
LCM
C4
Dual Output
Vi n
FU SE
LDM
LCM
C3
Vi n
+Vo
L O AD
MO V
G ND
TVS
C0
C1
C2
EUT
GND
C2
C3
*
C4
*
Note:
0V
L O AD
-Vo
C4
Triple Output
Vi n
FU SE
LDM
LCM
C3
Vi n
C1
C2
+Vo 1
+Vo 2
L O AD
L O AD
0V
L O AD
-Vo 2
*2nF/2kV capacitors for triple output, 48 Vdc input
models.
MO V
GND
TVS
C0
EUT
GND
C4
TEST CONFIGURATION
Oscilloscope
Lin
Figure 2
Lin
Table 2
External components
Cin
Current
Probe
DC DC
4.7μH
220μF, ESR < 1.0Ω
at 100 kHz
Load
Cin
Note:
Input reflected-ripple current is measured with an inductor Lin and Capacitor Cin to simulate source impedance.
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