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datdatee 02/07/2019
pagepage 1 of 71 of 7
SERIES: PYB30 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 (-40~85C)
six-sided metal shielding
efficiency up to 90%
input output output output ripple efficiency
MODEL
1
voltage voltage current power and noise
typ range min max max max typ
(Vdc) (Vdc) (Vdc) (mA) (mA) (W) (mVp-p) (%)
PYB30-Q24-S5 24 9~36 5 300 6000 30 100 88
PYB30-Q24-S12 24 9~36 12 125 2500 30 100 88
PYB30-Q24-S15 24 9~36 15 100 2000 30 100 90
PYB30-Q24-D5 24 9~36 5 150 3000 30 100 86
PYB30-Q24-D12 24 9~36 12 63 1250 30 100 89
PYB30-Q24-D15 24 9~36 15 50 1000 30 100 90
3.3 175 3500
PYB30-Q24-T312 24 9~36 26.5 100 85
12 31 625
3.3 175 3500
PYB30-Q24-T315 24 9~36 26.5 100 86
15 25 500
5 150 3000
PYB30-Q24-T512 24 9~36 30 100 88
12 31 625
5 150 3000
PYB30-Q24-T515 24 9~36 30 100 88
15 25 500
PYB30-Q48-S5 48 18~75 5 300 6000 30 100 88
PYB30-Q48-S12 48 18~75 12 125 2500 30 100 88
PYB30-Q48-S15 48 18~75 15 100 2000 30 100 89
PYB30-Q48-D5 48 18~75 5 150 3000 30 100 86
PYB30-Q48-D12 48 18~75 12 63 1250 30 100 87
PYB30-Q48-D15 48 18~75 15 50 1000 30 100 87
3.3 175 3500
PYB30-Q48-T312 48 18~75 26.5 100 85
12 31 625
3.3 175 3500
PYB30-Q48-T315 48 18~75 26.5 100 85
15 25 500
5 150 3000
PYB30-Q48-T512 48 18~75 30 100 88
12 31 625
5 150 3000
PYB30-Q48-T515 48 18~75 30 100 87
15 25 500
Notes: 1. Ripple and noise are measured at 20 MHz BW by parallel cable method with 1 F ceramic and 10 F electrolytic capacitors on the output.
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CUI Inc SERIES: PYB30 DESCRIPTION: DC-DC CONVERTER date 02/07/2019 page 2 of 7
PART NUMBER KEY
PYB30 - QXX - XXX - X
Base Number
Input Voltage
Heatsink*
Output
Output Voltage
S = singleblan = no heatsink
D = dual
H = with heatsink
Notes: *Discontinued heatsink versions.
T = triple
INPUT
parameter conditions/description min typ max units
24 Vdc input models 9 24 36 Vdc
operating input voltage
48 Vdc input models 18 48 75 Vdc
24 Vdc input models 9 Vdc
start-up voltage 48 Vdc input models (single/dual output models) 18 Vdc
48 Vdc input models (triple output models) 17.8 Vdc
24 Vdc input models 7.8 Vdc
1
under voltage shutdown
48 Vdc input models 16 Vdc
for maximum of 1 second
surge voltage 24 Vdc input models -0.7 50 Vdc
48 Vdc input models -0.7 100 Vdc
start-up time 10 ms
filter pi filter
models ON (CTRL open or connect high level, 2.5~12 Vdc)
2
CTRL models OFF (CTRL connect GND or low level, 0~1.2 Vdc)
input current (models OFF) 1 mA
Notes: 1. Contact CUI if you are planning to use this feature in your application.
2. CTRL pin voltage is referenced to GND.
OUTPUT
parameter conditions/description min typ max units
full load, input voltage from low to high
single and dual output models 0.2 0.5 %
line regulation
triple output models (main output) 1 %
triple output models (auxiliary outputs) 5 %
5% to 100% load, nominal input
single and dual output models 0.5 1 %
3
load regulation
triple output models (main output) 2 %
triple output models (auxiliary outputs) 5 %
dual output models:
cross regulation main output 50% load, secondary output from 5 %
10% to 100% load
single and dual output models 1 3 %
voltage accuracy triple output models (main output) 1 3 %
triple output models (auxiliary outputs) 3 5 %
4
adjustability 10 %
switching frequency PWM mode 400 kHz
transient recovery time 25% load step change 300 500 s
transient response deviation 25% load step change 3 5 %
100% load, single and dual output models 0.02 %/C
temperature coefficient
100% load, triple output models 0.03 %/C
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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