Artesyn NFC20-24S05 Single and dual output 20 watt wide input dc/dc converter Datasheet

NFC20 SERIES
Single and dual output
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The NFC20 series of DC/DC converters offers 20 Watts of output power from
the industry standard 2 x 1.6 x 0.46 inch case without a heatsink. Advantages of
the NFC20 include increased power density, fixed switching frequency, tight line
and load regulation, reduced board area requirements and many standard
features. Among these features are remote on/off control, overvoltage
protection, synchronization function and an extended operating temperature
range option. Input voltage ranges of 18-36VDC and 36-72VDC mean that the
NFC20 is ideally suited to process control, industrial automation, distributed
power and telecommunications applications.
[ 2 YEAR WARRANTY ]
SPECIFICATION
20 Watts output power
Power density 13.6W/in3
2:1 input voltage range
Remote ON/OFF control
UL, CSA and VDE safety approvals
Overvoltage protection
Extended operating temperature range
Fixed switching frequency
All specifications are typical at nominal input, full load at 25°C unless otherwise stated
OUTPUT SPECIFICATIONS
GENERAL SPECIFICATIONS
Voltage accuracy
±0.5%
Efficiency
83% typical
Voltage adjustability
All outputs
±10%
Isolation voltage
Input/output
Line regulation
LL to HL, single output
LL to HL, dual output
±0.1%
±0.1%
Switching frequency
Fixed
Load regulation
FL to NL, single output
FL to NL, dual output
±0.5%, max.
±3.0%, max.
Ripple and noise
(5Hz to 20MHz)
Singles
Duals
Temperature coefficient
75mV pk-pk, max.,
20mV rms
100mV pk-pk, max.
Single output
Dual output
Short circuit protection
(Clamp)
(See Note 7)
125% Vout
125% Vout total
Continuous
automatic recovery
INPUT SPECIFICATIONS
24VDC
48VDC
No load input current
VDE0805, EN60950
IEC950, UL1950
CSA C22.2 No. 950
Case material
Aluminum alloy, hard
black anodized finish
Cover material
10% glass reinforced
polyetherimide GE ULTEM
#2110 or equivalent
Material flammability
UL94V-0
Weight
45g (1.6oz)
MTBF
MIL-HDBK-217F
(See Note 5)
Surge protection
24VDC
48VDC
Thermal performance
Operating ambient
-25°C to +60°C
Option (See Note 6)
-40°C to +60°C
Non-operating amb. -55°C to +125°C
Max. case temperature, +110°C max.
Derating
See curve
Cooling, vertical mount
Free air
convection cooled
External capacitor
50V for 100ms
100V for 100ms
DERATING CURVE
CMOS/TTL
Logic high or open
Logic low or Jumper
pin 2 and 4
Frequency
synchronization
Switching frequency
±10%
Synchronization
function
Negative going pulse
on pin 4, max. 25%
duty cycle
Output Power (Watts)
20W
0
-40° C -20° C
0° C
20° C
40° C
Ambient Temperature
PAGE 120
260,000 hours
ENVIRONMENTAL SPECIFICATIONS
18 to 36VDC
36 to 72VDC
20mA
Input filter
Remote ON/OFF
Logic compatibility
Logic ON
Logic OFF
Approvals and
standards
'-4' Option
Input voltage range
200kHz ±5.0%
±0.02%/°C max.
Overvoltage protection
1000VAC/710VDC
60° C
80° C
105° C
100° C
DC/DC CONVERTERS
|
20W DC/DC
20 Watt
Wide input DC/DC converters
INPUT
VOLTAGE
INPUT
CURRENT
REGULATION
OUTPUT
VOLTAGE
OVP
OUTPUT
CURRENT
18-36VDC
5VDC
6.2VDC
4000mA
1083mA
81%
±0.1%
±0.5%
NFC20-24S05
18-36VDC
12VDC
15VDC
1670mA
1030mA
83%
±0.1%
±0.5%
NFC20-24S12
18-36VDC
15VDC
18VDC
1330mA
1030mA
83%
±0.1%
±0.5%
NFC20-24S15
18-36VDC
±12VDC
30VDC
±833mA
1040mA
83%
±0.1%
±3%
NFC20-24D12
18-36VDC
±15VDC
36VDC
±666mA
1030mA
84%
±0.1%
±3%
NFC20-24D15
36-72VDC
5VDC
6.2VDC
4000mA
527mA
82%
±0.1%
±0.5%
NFC20-48S05
36-72VDC
12VDC
15VDC
1670mA
515mA
83%
±0.1%
±0.5%
NFC20-48S12
36-72VDC
15VDC
18VDC
1330mA
515mA
83%
±0.1%
±0.5%
NFC20-48S15
36-72VDC
±12VDC
30VDC
±833mA
510mA
85%
±0.1%
±3%
NFC20-48D12
36-72VDC
±15VDC
36VDC
±666mA
505mA
86%
±0.1%
±3%
NFC20-48D15
(1)
(2)
EFFICIENCY
Notes
1
2
3
4
5
6
7
Nominal input voltages are 24VDC and 48VDC.
Maximum figure, at full load.
Measured from low line to high line at full load.
Measured from full load to no load.
An external capacitor, connected across the input is required for normal
operation. The capacitor should be capable of withstanding 600mA of
ripple current. Recommended capacitors: Nippon Chemi-Con SXE series,
56µF/100V for the NFC20-48xxx and the Nippon Chemi-Con LXF series,
560µF/50V for the NFC20-24xxx.
Extended operating temperature range is available on the following
models: NFC20-24S05, -24S12, -24S15, -48S05, -48S12 and -48S15.
The suffix –4 must be added to the NFC20 model number,
e.g. NFC20-48S05-4.
Long term continuous operation into a short circuit will compromise the
reliability of the unit.
0.46
(11.7)
LINE
(3)
LOAD
MODEL
NUMBER
(4)
PIN CONNECTIONS
PIN NUMBER
SINGLE OUTPUT
DUAL OUTPUT
1
+ Input
+ Input
2
– Input
– Input
3
No Pin
No Pin
4
Control
Control
5
No Pin
+ Output
6
+ Output
Common
7
– Output
– Output
8
Trim
Trim
5
Stand-off
0.020 ± 0.010
EXTERNAL OUTPUT TRIMMING
0.15 (3.8) Min.
1.80
(45.7)
0.10 (2.5)
0.040 Dia.
(1.0)
2.00
(50.8)
5
0.70
(17.8)
1.60
(40.6)
0.20
(5.1)
+ OUT
0.50
(12.7)
10K
6
1
0.40
0.60 (10.2)
(15.2)
0.40
(10.2)
Output can be externally trimmed
by ±10% using either method shown below
TRIM
DOWN
- OUT
2
BOTTOM
VIEW
3
4
7
TRIM
UP
0.70
(17.8)
TRIM
UP/DOWN
TRIM
8
Connections for Output Voltage Trim
ALL DIMENSIONS IN INCHES (mm)
TOLERANCES .XX = ±0.02, .XXX = ±0.005
0.40
(10.2)
International Safety Standard Approvals
VDE0805/EN60950/IEC950 File No. 10401-3336-1074
Licence No. 1628
UL1950 Reg. File No. E136005
Data Sheet © Artesyn Technologies® 2000
The information and specifications contained in this data sheet are believed to be correct at time of publication. However, Artesyn Technologies accepts no responsibility for consequences arising
from printing errors or inaccuracies. Specifications are subject to change without notice. No rights under any patent accompany the sale of any such product(s) or information contained herein.
http://www.artesyn.com
PAGE 121
DS_NFC20_20000101.PDF
CSA C22.2 No. 950 File No. LR41062C
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