Datasheet

cui.com
CUI Inc │ SERIES: PYB30 │ DESCRIPTION: DC-DC CONVERTER date 08/18/2014 │ page 2 of 7
INPUT
parameter conditions/description min typ max units
operating input voltage
24 Vdc input models
48 Vdc input models
9
18
24
48
36
75
Vdc
Vdc
start-up voltage
24 Vdc input models
48 Vdc input models (single/dual output models)
48 Vdc input models (triple output models)
9
18
17.8
Vdc
Vdc
Vdc
under voltage shutdown
1
24 Vdc input models
48 Vdc input models
7.8
16
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
start-up time 10 ms
lter pi lter
CTRL
2
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 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
line regulation
full load, input voltage from low to high
single and dual output models
triple output models (main output)
triple output models (auxiliary outputs)
±0.2 ±0.5
±1
±5
%
%
%
load regulation
3
5% to 100% load, nominal input
single and dual output models
triple output models (main output)
triple output models (auxiliary outputs)
±0.5 ±1
±2
±5
%
%
%
cross regulation
dual output models:
main output 50% load, secondary output from
10% to 100% load
±5 %
voltage accuracy
single and dual output models
triple output models (main output)
triple output models (auxiliary outputs)
±1
±1
±3
±3
±3
±5
%
%
%
adjustability
4
±10 %
switching frequency PWM mode 400 kHz
transient recovery time 25% load step change 300 500 μs
transient response deviation 25% load step change ±3 ±5 %
temperature coefcient
100% load, single and dual output models
100% load, triple output models
±0.02
±0.03
%/°C
%/°C
Notes: 3. For dual output models, unbalanced load can not exceed ±5%. If ±5% is exceeded, it may not meet all specications.
4. Output trimming available on single and dual output models only.
PART NUMBER KEY
PYB30 - QXX - XXX - X
Input Voltage
Output Voltage
Heatsink
Base Number
S = single
D = dual
T = triple
"blank" = no heatsink
H = with heatsink
Output
For more information, please visit the product page.