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PDF CXA20-48D12Y Data sheet ( Hoja de datos )
| Número de pieza | CXA20-48D12Y | |
| Descripción | DC-DC / Low Power Isolated Industrial | |
| Fabricantes | Emerson | |
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CXA20 Series
Single and dual output
DC-DC CONVERTERS 20 W DC-DC Converters
• 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
1
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
2 YEAR WARRANTY
SPECIFICATIONS
OUTPUT SPECIFICATIONS
Voltage accuracy
±1.0%
Line regulation
(LL to HL)
Singles/dual positives
Dual negatives
±0.1%
±0.1%
Load regulation
(not incl. cross reg.)
Full load to minimum load
S3V3
Singles/dual positives
Dual negatives
±0.2%
±0.1%
±0.1%
Minimum load
Singles
Duals (for imbalanced loads)
None
10%
Ripple and noise
20 MHz bandwidth
S3V3, S05, D05
S12, D12
All models
75 mV pk-pk max.
100 mV pk-pk max.
20 mV rms max.
Temperature coefficient
±0.02%/°C
Overvoltage protection
See Application Note 107
Short circuit protection Hiccup
Short <20 mΩ
Continuous
automatic recovery
Transient response
25% load step
±2.0% max. dev.,
300 µs recovery to
within total error band
Load cross regulation
(See Note 1)
10% load to full load,
either output
±7.0%
INPUT SPECIFICATIONS
Input voltage range
48 Vin nominal
18-75 Vdc
Input fuse
HRC recommended
2.0 A
Max. input rise
and fall time
48 V ETS300-132
5 V/ms
UVLO turn ON voltage (See Note 4)
UVLO turn OFF voltage (See Note 4)
92%
86%
Remote ON/OFF
Logic compatibility
ON
OFF
CMOS/TTL/Open Collector
Open circuit or >2 Vdc
<1.2 Vdc
EMC CHARACTERISTICS
ETS 300 386-1 table 5
Conducted emissions
Radiated emissions
Immunity:
ESD air
ESD contact
EFT DC power
EFT signal
Radiated field enclosure
Surges indoor signal
Conducted (dc power)
Conducted (signal)
Input transients
EN55022, ext. cap. (Note 5) Level A
EN55022, external filter,
Level B
VDE0878, 48V models
EN55022-B
See App. Note 107
EN61000-4-2 8 kV (NP), 15 kV (RP)
EN61000-4-2 6 kV (NP), 8 kV (RP)
EN61000-4-4 2 kV (NP), 4 kV (LFS)
EN61000-4-4 1 kV (NP), 2 kV (LFS)
EN61000-4-3 10 V/m (NP)
EN61000-4-5 500 V (RP)
EN61000-4-6 10 V (NP)
EN61000-4-6 10 V (NP)
ETS 300 132-2, ETR 283
GENERAL SPECIFICATIONS
Efficiency
Overtemp. shutdown
Isolation voltage
Switching frequency
Approvals and standards
(See Notes 6,7,8)
Material flammability
Weight
MTBF
(Representative model
48S05J @ 48 Vin)
See table
120 ˚C
Input/output test voltage
1500 Vdc
Fixed
400 kHz
EN60950
UL1950 File No. E136005
UL94V-0
26 g (0.92 oz)
MIL-HDBK-217F
3,485,000 hours
Parts stress method
Ground Benign @ 25 °C
ENVIRONMENTAL SPECIFICATIONS
Thermal performance
ETS 300 019-2-3
Air temperature
Relative humidity
Operating ambient
temperature
Non-operating
-40 °C to +60 °C,
(See Note 9)
-55 °C to +125 °C
Classes T3.1, 3.2, 3.3, 3.5
Low: IEC 68-2-1
-40 °C
High: IEC 68-2-2
+60 °C
Change: IEC 68-2-14 -40 °C to +60 °C
IEC 68-2-56
IEC 68-2-30
10% to 100% RH
Condensation
File Name: cxa20.pdf Rev (02): 09 Dec 2005
1 page | ||
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