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CUI Inc │ SERIES: PYB10-T & PYB10-U │ DESCRIPTION: DC-DC CONVERTER date 08/16/2013 │ page 2 of 6
INPUT
parameter conditions/description min typ max units
operating input voltage
24 V input models
48 V input models
9
18
24
48
36
75
Vdc
Vdc
start-up voltage
24 V input models
48 V input models
9
18
Vdc
Vdc
surge voltage
for maximum of 1 second
24 V input models
48 V input models
-0.7
-0.7
50
100
Vdc
Vdc
fi lter pi fi lter
CTRL
1
models ON (CTRL open or connect high level, 3.5-12 Vdc)
models OFF (CTRL connect GND or low level, 0-1.2 Vdc)
input current (models OFF) 1 3 mA
Note: 1. 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 ±0.2 ±0.5 %
load regulation 5% to 100% load ±0.5 ±1 %
cross regulation
dual output models:
main output 50% load, secondary output from
10% to 100% load
±5 %
voltage accuracy ±1 ±2 %
voltage balance
2
dual output, balanced loads ±0.5 ±1.5 %
switching frequency PWM mode 350 KHz
transient recovery time 25% load step change 300 500 s
transient response deviation 25% load step change ±3 ±5 %
temperature coeffi cient 100% load ±0.03 %/°C
Note: 2. For dual output models, unbalanced load can not exceed ±5%. If ±5% is exceeded, it may not meet all specifi cations.
PROTECTIONS
parameter conditions/description min typ max units
short circuit protection continuous, automatic recovery
over voltage protection 110 120 140 %Vo
SAFETY AND COMPLIANCE
parameter conditions/description min typ max units
isolation voltage for 1 minute at 1 mA max. 1,500 Vdc
isolation resistance at 500 Vdc 1,000 M
conducted emissions CISPR22/EN55022, class A, class B (external circuit required, see Figure 1-b)
radiated emissions CISPR22/EN55022, class A, class B (external circuit required, see Figure 1-b)
ESD IEC/EN61000-4-2, class B, contact ± 4kV
radiated immunity IEC/EN61000-4-3, class A, 10V/m
EFT/burst IEC/EN61000-4-4, class B, ± 2kV (external circuit required, see Figure 1-a)
surge IEC/EN61000-4-5, class B, ± 2kV (external circuit required, see Figure 1-a)
conducted immunity IEC/EN61000-4-6, class A, 3 Vr.m.s
voltage dips & interruptions IEC/EN61000-4-29, class B, 0%-70%
MTBF as per MIL-HDBK-217F @ 25°C 1,000,000 hours
RoHS compliant yes
For more information, please visit the product page.