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CXA20 Arkusz danych(PDF) 1 Page - Emerson Network Power

Numer części CXA20
Szczegółowy opis  20 W DC-DC Converters
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Producent  EMERSON-NETWORKPOWER [Emerson Network Power]
Strona internetowa  http://www.emersonnetworkpower.com
Logo EMERSON-NETWORKPOWER - Emerson Network Power

CXA20 Arkusz danych(HTML) 1 Page - Emerson Network Power

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DC-DC CONVERTERS 20 W DC-DC Converters
1
2 YEAR WARRANTY
CXA20 Series
Single and dual output
4:1 input voltage range
No minimum load on singles
6 A on 3.3 V output (@ 48 Vin) at 50 ˚C in still air
Wide operating temperature with overtemperature
protection
±10% output voltage trim
Remote On/Off control
Overvoltage protection
Available RoHS complaint
The CXA20 is a new 20 W addition to the CXA family of open-frame, isolated, dc-dc
converters. The five model series features a 4:1 input voltage range of 18 Vdc to
75 Vdc, making it suitable for a wide variety of communications and distributed
power applications. With its 2.0 x 1.6 inch industry standard footprint, the CXA20
provides an easy upgrade option for new and existing Artesyn customers seeking a
high-performance, cost-effective power supply. The CXA20 is available in output
voltages of 3.3 V, 5 V, 12 V, ±5 V and ±12 V. The 3.3 V version delivering up to 6 A is
fully rated to 20 W. Typical efficiency for the CXA20 is 83%. The CXA20 offers remote
ON/OFF as well as overvoltage, overtemperature and short circuit protection
features.
All specifications are typical at nominal input, full load at 25 °C unless otherwise stated
EMC CHARACTERISTICS
ETS 300 386-1 table 5
Conducted emissions
EN55022, ext. cap. (Note 5)
Level A
EN55022, external filter,
Level B
VDE0878, 48V models
Radiated emissions
EN55022-B
See App. Note 107
Immunity:
ESD air
EN61000-4-2 8 kV (NP), 15 kV (RP)
ESD contact
EN61000-4-2 6 kV (NP), 8 kV (RP)
EFT DC power
EN61000-4-4 2 kV (NP), 4 kV (LFS)
EFT signal
EN61000-4-4 1 kV (NP), 2 kV (LFS)
Radiated field enclosure
EN61000-4-3 10 V/m (NP)
Surges indoor signal
EN61000-4-5 500 V (RP)
Conducted (dc power)
EN61000-4-6 10 V (NP)
Conducted (signal)
EN61000-4-6 10 V (NP)
Input transients
ETS 300 132-2, ETR 283
GENERAL SPECIFICATIONS
Efficiency
See table
Overtemp. shutdown
120 ˚C
Isolation voltage
Input/output test voltage
1500 Vdc
Switching frequency
Fixed
400 kHz
Approvals and standards
EN60950
(See Notes 6,7,8)
UL1950 File No. E136005
Material flammability
UL94V-0
Weight
26 g (0.92 oz)
MTBF
MIL-HDBK-217F
3,485,000 hours
(Representative model
Parts stress method
48S05J @ 48 Vin)
Ground Benign @ 25 °C
ENVIRONMENTAL SPECIFICATIONS
Thermal performance
Operating ambient
-40 °C to +60 °C,
temperature
(See Note 9)
Non-operating
-55 °C to +125 °C
ETS 300 019-2-3
Classes T3.1, 3.2, 3.3, 3.5
Air temperature
Low: IEC 68-2-1
-40 °C
High: IEC 68-2-2
+60 °C
Change: IEC 68-2-14
-40 °C to +60 °C
Relative humidity
IEC 68-2-56
10% to 100% RH
IEC 68-2-30
Condensation
OUTPUT SPECIFICATIONS
Voltage accuracy
±1.0%
Line regulation
Singles/dual positives
±0.1%
(LL to HL)
Dual negatives
±0.1%
Load regulation
Full load to minimum load
(not incl. cross reg.)
S3V3
±0.2%
Singles/dual positives
±0.1%
Dual negatives
±0.1%
Minimum load
Singles
None
Duals (for imbalanced loads)
10%
Ripple and noise
S3V3, S05, D05
75 mV pk-pk max.
20 MHz bandwidth
S12, D12
100 mV pk-pk max.
All models
20 mV rms max.
Temperature coefficient
±0.02%/°C
Overvoltage protection
See Application Note 107
Short circuit protection
Hiccup
Continuous
Short <20 m
automatic recovery
Transient response
25% load step
±2.0% max. dev.,
300 µs recovery to
within total error band
Load cross regulation
10% load to full load,
±7.0%
(See Note 1)
either output
INPUT SPECIFICATIONS
Input voltage range
48 Vin nominal
18-75 Vdc
Input fuse
HRC recommended
2.0 A
Max. input rise
48 V ETS300-132
5 V/ms
and fall time
UVLO turn ON voltage
(See Note 4)
92%
UVLO turn OFF voltage
(See Note 4)
86%
Remote ON/OFF
Logic compatibility
CMOS/TTL/Open Collector
ON
Open circuit or >2 Vdc
OFF
<1.2 Vdc
SPECIFICATIONS
File Name: cxa20.pdf Rev (02): 09 Dec 2005


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