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3D Model
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
24 V input models
48 V input models
9
18
24
48
36
75
Vdc
Vdc
operating input voltage
start-up voltage
24 V input models
48 V input models
9
18
Vdc
Vdc
for maximum of 1 second
24 V input models
48 V input models
surge voltage
-0.7
-0.7
50
100
Vdc
Vdc
filter
pi filter
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)
CTRL1
1
3
mA
Note:
1. CTRL pin voltage is referenced to GND.
OUTPUT
parameter
conditions/description
full load, input voltage from low to high
5% to 100% load
min
typ
max
±0.5
±1
units
%
line regulation
load regulation
±0.2
±0.5
%
dual output models:
main output 50% load, secondary output from
10% to 100% load
cross regulation
±5
%
voltage accuracy
voltage balance2
±1
±0.5
350
300
±3
±2
%
%
dual output, balanced loads
PWM mode
±1.5
switching frequency
transient recovery time
transient response deviation
temperature coefficient
KHz
μs
25% load step change
25% load step change
100% load
500
±5
%
±0.03
%/°C
Note:
2. For dual output models, unbalanced load can not exceed ±5%. If ±5% is exceeded, it may not meet all specifications.
PROTECTIONS
parameter
conditions/description
min
typ
max
units
short circuit protection
over voltage protection
continuous, automatic recovery
110
120
140
%Vo
SAFETY AND COMPLIANCE
parameter
conditions/description
min
typ
max
units
Vdc
isolation voltage
isolation resistance
conducted emissions
radiated emissions
ESD
for 1 minute at 1 mA max.
at 500 Vdc
1,500
1,000
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
radiated immunity
EFT/burst
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
surge
conducted immunity
voltage dips & interruptions
MTBF
IEC/EN61000-4-29, class B, 0%-70%
as per MIL-HDBK-217F @ 25°C
yes
1,000,000
hours
RoHS compliant
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