
DC/DC CONVERTERS 10W DC/DC Converters
1
2 YEAR WARRANTY
CXA10 Series
S i n g l e a n d du a l o u t pu t
4:1 input voltage range
Approved to EN60950, UL1950, CSA C22.2 No. 950
Operating ambient temperature of -40°C to +70°C in still air
High demonstrated reliability with conservative component deratings
Complies with ETS 300 019-1-3/2-3
Complies with ETS 300 132-2 input voltage and current requirements
Fully compliant with ETS 300 386-1
Pin compatible with NFC10 and BXA10 series
Basic insulation system (input to output)
The CXA10 series comprising of five different models delivers single and dual output
voltages covering 3.3V, 5V, 12V, ±5V, ±12 and ±15V. The series has a wide 4:1 input voltage
range of 18 to 75VDC. The CXA10 has been designed as a competitive open-frame
alternative for the communications market. The product is supplied in the industry standard
footprint of 2.0 x 1.0 x 0.394 inches. Other product features include overvoltage protection,
short circuit protection and remote on/off. All components are placed in a fully automated
environment. Planar magnetics are used in the design to improve the reliability and reduce
the profile of the DC/DC converter. The series has full international safety approval to
EN60950 and UL1950 reducing system compliance costs, and it has a basic insulation
system from input to output making it suitable for a wide variety of applications.
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 (See Note 6)
EN55022, external filter,
VDE0878, 48V models
See Application Note 100
EN61000-4-2, level 3
EN61000-4-2, level 4
EN61000-4-5, level 3, 4
EN61000-4-4, level 3, 4
EN61000-4-3, level 3
EN61000-4-6, level 3
Level A
Level B
Radiated emissions
ESD air
ESD contact
Surge (500V)
Fast transients
Radiated immunity
Conducted immunity
GENERAL SPECIFICATIONS
Efficiency
Isolation voltage
Switching frequency
Approvals and standards
(See Notes 7,8,9,10,11)
Material flammability
Weight
MTBF
(Representative model
48S05 @ 48Vin)
See table
1500VDC
400kHz
Input/output test voltage
Fixed
EN60950, UL1950
CSA C22.2 No. 950
UL94V-0
12g (0.42 oz)
456,621 hours
MIL-HDBK-217F
Parts stress method
Ground Benign @ 25°C
ENVIRONMENTAL SPECIFICATIONS
Thermal performance
Operating ambient
temperature
Non-operating
-40°C to +70°C,
See curves
-55°C to +105°C
Classes T3.1 to T3.5
ETS 300 019-2-3
Air temperature
Low: IEC 68-2-1
High: IEC 68-2-2
Change: IEC 68-2-14
IEC 68-2-56
IEC 68-2-30
IEC68-2-6
MIL-STD-202F
IEC-68-2-29
MIL-STD-202F
-40°C
+70°C
-40°C to +70°C
10% to 100% RH
Condensation
2 to 9Hz, 3mm disp.
Method 204 cond. A
Method 213B cond. A
Relative humidity
Vibration, Class 3M5
9 to 200Hz 1g
Shock, Class 3M5
OUTPUT SPECIFICATIONS
Voltage accuracy
±1.0%
Line regulation
(LL to HL)
Singles/dual positives
Dual negatives
±0.1%
±0.2%
Load regulation
(not incl. cross reg.)
Full load to
minimum load
±0.15%
Min. load
All outputs
10%
Ripple and noise
20MHz bandwidth
3.3V and 5.0V
All others
All models
30mV pk-pk
60mV pk-pk
12mV rms
Temperature coefficient
±0.01%/°C
Overvoltage protection
Clamp type
(See table and Notes 3, 4)
Short circuit protection
Short <20m
Hiccup
Continuous
auto. recovery
Transient response
Min. load to FL
±1.0%
Load cross regulation
Min. load to FL (See Note 1)
±5.0%
INPUT SPECIFICATIONS
Input voltage range
48Vin nominal
18 to 75VDC
Input fuse
(See Note 10)
1.5A HRC
Max. input rise
and fall time
48V ETS300 132-2
5V/ms
UVLO turn ON voltage
UVLO turn OFF voltage
(See Note 5)
(See Note 5)
94%
86%
Remote ON/OFF
Logic compatibility
ON
OFF
(See Note 7)
CMOS/TTL/Open Collector
Open circuit
<1VDC
SPECIFICATIONS
File Name: CXA10.PDF Rev: 11 J an 2002