PQM3-M Datasheet, PDF (2/6 Pages) CUI INC – DC-DC CONVERTER

CUI Inc │ SERIES: PQM3-M │ DESCRIPTION: DC-DC CONVERTER
date 03/19/2013 │ page 2 of 6
INPUT
parameter
operating input voltage
start-up voltage
surge voltage
filter
conditions/description
12 V input models
24 V input models
48 V input models
12 V input models
24 V input models
48 V input models
for maximum of 1 second
12 V input models
24 V input models
48 V input models
pi filter
min
typ
9
12
18
24
36
48
4.5
8
11
16
24
33
-0.7
-0.7
-0.7
OUTPUT
parameter
conditions/description
line regulation
full load, input voltage from low to high
load regulation
5% to 100% load
voltage accuracy
5% to 100% load
no-load output voltage accuracy
5V models
all other models
switching frequency
100% load, nominal input voltage
transient recovery time
25% load step change
transient response deviation
25% load step change
temperature coeffecient
100% load
min
typ
±0.2
±0.2
±1
±1.5
±1.5
350
0.5
±2
±0.02
PROTECTIONS
parameter
short circuit protection
over current protection
conditions/description
continuous, automatic recovery
min
typ
120
SAFETY AND COMPLIANCE
parameter
conditions/description
min
typ
isolation voltage
for 1 minute at 1 mA max.
1,500
isolation resistance
at 500 Vdc
1,000
conducted emissions
CISPR22/EN55022, class B (external circuit required, see Figure 1-b)
ESD
IEC/EN61000-4-2, class B, contact ± 4kV/ air ± 8kV
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
RoHS compliant
yes
max
18
36
75
9
18
36
25
50
100
max
±0.4
±0.75
±3
±5
±3
1
±5
±0.03
max
max
units
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
units
%
%
%
%
%
KHz
ms
%
%/°C
units
%
units
Vdc
MΩ
hours
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