PQA50-D Datasheet, PDF (2/7 Pages) CUI INC – DC-DC CONVERTER

For more information, please visit the product page.
CUI Inc │ SERIES: PQA50-D │ DESCRIPTION: DC-DC CONVERTER
date 07/14/2015 │ page 2 of 7
INPUT
parameter
conditions/description
min
operating input voltage
24 Vdc input models
48 Vdc input models
18
36
input under voltage protection
24 Vdc input models
18
48 Vdc input models
36
start-up voltage
input over voltage protection
24 Vdc input models
48 Vdc input models
input under voltage protection
24 Vdc input models
under/over voltage shutdown
48 Vdc input models
input over voltage protection
24 Vdc input models
40
48 Vdc input models
81
surge voltage
for maximum of 1 second
24 Vdc input models
48 Vdc input models
-0.7
-0.7
start-up time
nominal input, constant load
models ON (CTRL open or connect TTL high level, 3~12 Vdc)
CTRL¹
models OFF (CTRL connect GND or low level, 0~1.2 Vdc)
input current (models OFF)
filter
pi filter
Note1. CTRL pin voltage is referenced to GND.
OUTPUT
parameter
line regulation
load regulation
voltage accuracy
adjustability
switching frequency
transient recovery time
transient response deviation
temperature coefficient
conditions/description
full load, input voltage from low to high
10% to 100% load
PWM mode
25% load step change
25% load step change
100% load
min
PROTECTIONS
parameter
conditions/description
over voltage protection²
3.3 Vdc output models
5 Vdc output models
12 Vdc output models
15 Vdc output models
24 Vdc output models
over current protection
short circuit protection
continuous, automatic recovery, hiccup
over temperature protection
Note
2. Module needs to be re-started after over voltage protection.
min
typ
24
48
10
6
typ
±0.2
±0.5
±1
±10
300
300
±3
±0.02
typ
3.9
6.2
15
18
30
135
110
max
36
75
36
75
16
32
50
100
max
±0.5
±1
±3
500
±5
max
units
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
ms
mA
units
%
%
%
%
kHz
μs
%
%/°C
units
Vdc
Vdc
Vdc
Vdc
Vdc
%
°C
cui.com