PRD25 Datasheet, PDF (2/13 Pages) CUI INC – DC-DC CONVERTER

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CUI Inc │ SERIES: PRD25 │ DESCRIPTION: DC-DC CONVERTER
date 05/20/2016 │ page 2 of 13
INPUT
parameter
conditions/description
operating input voltage
current
at nominal Vin
3.3 Vdc output models
5 Vdc output models
12 Vdc output models
start-up voltage
rising input voltage
3.3, 12 Vdc output models
5 Vdc output models
under voltage shutdown
falling input voltage
3.3, 12 Vdc output models
5 Vdc output models
3.3 Vdc output models
ON (10~15 Vdc or open circuit)
positive logic
OFF (-0.7~1.2 Vdc)
remote on/off¹
ON (-0.7~1.2 Vdc)
negative logic
OFF (10~15 Vdc or open circuit)
5, 12 Vdc output models
ON (10~15 Vdc or open circuit)
positive logic
OFF (-0.7~0.7 Vdc)
ON (-0.7~0.8 Vdc)
negative logic
OFF (10~15 Vdc or open circuit)
filter
3.3, 5 Vdc output models: LC filter
12 Vdc output models: capacitance filter
input reverse polarity protection no
input fuse
recommended to add 1.5 A fast blow fuse
Notes:
1. On/Off current is 1 mA.
OUTPUT
parameter
maximum capacitive load
line regulation
load regulation
voltage accuracy
start-up time
adjustability
switching frequency
dynamic load response
temperature coefficient
conditions/description
low ESR <0.02 Ω, full load
3.3, 5 Vdc output models
12 Vdc output models
50% load, input voltage from low to high
3.3, 5 Vdc output models
12 Vdc output models
at nominal Vin, 0~100% load
3.3, 5 Vdc output models
12 Vdc output models
at 50% load
see application notes
3.3, 5 Vdc output models
12 Vdc output models
50-75-50% load change to 2% Vout
3.3 Vdc output models
5 Vdc output models
50-75-50% load change to 1% Vout
12 Vdc output models
min
36
34
34
32
32
min
300
295
typ
48
35.2
35
34
33.5
max
75
0.81
0.79
0.842
36
36
35.2
34.5
units
Vdc
A
A
A
Vdc
Vdc
Vdc
Vdc
typ
±1
±10
330
325
180
200
100
±0.02
max
2,000
470
±0.1
±0.075
±0.2
±0.05
50
360
355
250
200
units
μF
μF
%
%
%
%
%
ms
%
kHz
kHz
µs
µs
µs
%/°C
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