PYB30 Datasheet, PDF (2/7 Pages) CUI INC – DC-DC CONVERTER

CUI Inc │ SERIES: PYB30 │ DESCRIPTION: DC-DC CONVERTER
date 08/15/2013 │ page 2 of 7
PART NUMBER KEY
PYB30 - QXX - XXX - X
INPUT
Base Number
Input Voltage
Output
S = single
D = dual
T = triple
Output Voltage
Heatsink
"blank" = no heatsink
H = with heatsink
parameter
conditions/description
min
typ
max
operating input voltage
24 V input models
48 V input models
9
24
36
18
48
75
start-up voltage
24 V input models
48 V input models (single/dual output models)
48 V input models (triple output models)
9
18
17.8
under voltage shutdown
24 V input models
48 V input models
7.8
16
surge voltage
for maximum of 1 second
24 V input models
48 V input models
-0.7
50
-0.7
100
start-up time
10
filter
pi filter
models ON (CTRL open or connect high level, 2.5-12 Vdc)
CTRL¹
models OFF (CTRL connect GND or low level, 0-1.2 Vdc)
input current (models OFF)
1
Note:
1. CTRL pin voltage is referenced to GND.
OUTPUT
parameter
conditions/description
min
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)
load regulation²
5% to 100% load, nominal input
single and dual output models
triple output models (main output)
triple output models (auxiliary outputs)
cross regulation
dual output models:
main output 50% load, secondary output from
10% to 100% load
voltage accuracy
single and dual output models
triple output models (main output)
triple output models (auxiliary outputs)
adjustability³
switching frequency
PWM mode
transient recovery time
25% load step change
transient response deviation
25% load step change
temperature coefficient
100% load, single and dual output models
100% load, triple output models
Note: 2. For dual output models, unbalanced load can not exceed ±5%. If ±5% is exceeded, it may not meet all specifications.
3. Output trimming available on single and dual output models only.
typ
±0.2
±0.5
±1
±1
±3
±10
400
300
±3
max
±0.5
±1
±5
±1
±2
±5
±5
±3
±3
±5
500
±5
±0.02
±0.03
units
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
ms
mA
units
%
%
%
%
%
%
%
%
%
%
%
KHz
μs
%
%/°C
%/°C
cui.com