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參數(shù)資料
| 型號： | NFC20-24S12-4 |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 20 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 45K |
| 代理商： | NFC20-24S12-4 |
0
20W
'-4'
Option
-40
° C -20° C0° C20° C40° C60° C80° C
100
° C
105
° C
DERATING CURVE
Output Power (Watts)
Ambient Temperature
NFC20 SERIES
Single and dual output
[ 2 YEAR WARRANTY ]
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
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.
SPECIFICATION All specifications are typical at nominal input, full load at 25°C unless otherwise stated
PAGE 120
GENERAL SPECIFICATIONS
Efficiency
83% typical
Isolation voltage
Input/output
1000VAC/710VDC
Switching frequency
Fixed
200kHz ±5.0%
Approvals and
VDE0805, EN60950
standards
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
260,000 hours
ENVIRONMENTAL SPECIFICATIONS
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
OUTPUT SPECIFICATIONS
Voltage accuracy
±0.5%
Voltage adjustability
All outputs
±10%
Line regulation
LL to HL, single output
±0.1%
LL to HL, dual output
±0.1%
Load regulation
FL to NL, single output
±0.5%, max.
FL to NL, dual output
±3.0%, max.
Ripple and noise
Singles
75mV pk-pk, max.,
(5Hz to 20MHz)
20mV rms
Duals
100mV pk-pk, max.
Temperature coefficient
±0.02%/°C max.
Overvoltage protection
Single output
125% Vout
Dual output
125% Vout total
Short circuit protection
(See Note 7)
Continuous
(Clamp)
automatic recovery
INPUT SPECIFICATIONS
Input voltage range
24VDC
18 to 36VDC
48VDC
36 to 72VDC
No load input current
20mA
Input filter
(See Note 5)
External capacitor
Surge protection
24VDC
50V for 100ms
48VDC
100V for 100ms
Remote ON/OFF
Logic compatibility
CMOS/TTL
Logic ON
Logic high or open
Logic OFF
Logic low or Jumper
pin 2 and 4
Frequency
Switching frequency
synchronization
±10%
Synchronization
Negative going pulse
function
on pin 4, max. 25%
duty cycle
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