18
FEATURES
FDC20-W
FDC20-W
4:1 INPUT RANGE
PI INPUT FILTER
2 YEAR WARRANTY
HIGH EFFICIENCY
LOW PROFILE CASE
OVERVOLTAGE PROTECTION
OVERCURRENT PROTECTION
ON/OFF CONTROL
SINGLE
SINGLE
AND DUAL
AND DUAL
OUTPUT
OUTPUT
, 4:1 WIDE INPUT RANGE
, 4:1 WIDE INPUT RANGE
20 W
20 W
A
A
TTS DC/DC CONVER
TTS DC/DC CONVER
TERS
TERS
Control Voltage Referenced to Negative (-) Input
Compatability......................................CMOS, TTL
On-Control..........................................4.8V min. or Open
Off-Control..........................................0.4V max. or Short
RREEMMOOTTEE OONN//OOFFFF CCOONNTTRROOLL
RREEMMOOTTEE OONN//OOFFFF CCOONNTTRROOLL
Switching Frequency...........................300kHz, typ.
Isolation Voltage.................................1600VDC, min
Isolation Resistance...........................10 Ohms , min
GGEENNEERRAALL SSPPEECCIIFFIICCAATTIIOONNSS
GGEENNEERRAALL SSPPEECCIIFFIICCAATTIIOONNSS
OOUUTTPPUUTT SSPPEECCIIFFIICCAATTIIOONNSS
OOUUTTPPUUTT SSPPEECCIIFFIICCAATTIIOONNSS
Case Material.....................................Nickel-Coated Copper with
Non-Conductive Base
Dimensions.........................................2.0x1.6x0.4 Inches
(50.8x40.6x10.2 mm)
PPHHYYSSIICCAALL SSPPEECCIIFFIICCAATTIIOONNSS
PPHHYYSSIICCAALL SSPPEECCIIFFIICCAATTIIOONNSS
Operating Temperature Range............-25˚C to +60˚C (See Fig.1)
Alternative Operating Temperature Suffix “M2”
.............................................................-40˚C to +60˚C
Storage Temperature Range................-55˚C to +125˚C
Cooling.................................................Free-air Convection
EMI/RFI................................................Six-sided Continuous Shield
MTBF....................................................4.270x10
5
Hours
(MIL-HDBK-217F TA=25˚C Full Load)
EENNVVIIRROONNMMEENNTTAALL SSPPEECCIIFFIICCAATTIIOONNSS
EENNVVIIRROONNMMEENNTTAALL SSPPEECCIIFFIICCAATTIIOONNSS
All specifications are typical at nominal input, full load,
and 25˚C unless otherwise noted.
EELLEECCTTRRIICCAALL SSPPEECCIIFFIICCAATTIIOONNSS
EELLEECCTTRRIICCAALL SSPPEECCIIFFIICCAATTIIOONNSS
Input Voltage Range 24V nominal......9 to 36V
48V nominal......18 to 72V
Input Filter...........................................PI Network
IINNPPUUTT SSPPEECCIIFFIICCAATTII OO NN SS
IINNPPUUTT SSPPEECCIIFFIICCAATTII OO NN SS
Voltage Accuracy............................±2%
External Trim Adjustment Range...±10% typ.
Ripple and Noise, 20MHz BW
Single Output.................................75mV P-P, 20m V RMS
Dual Output....................................100mV P-P, 20m V RMS
Line Regulation, Full Line..............±0.5%
Load Regulation, FL-1/4FL............±0.25% (Single)
±2% (Dual)
FL-NL............±0.5% (Single)
±3% (Dual)
Temperature Coefficient.................±0.02%/˚C
Transient Response Recovery Time,
25% Load Step Change.................500µsec
Short Circuit Protection..................Continuous
Overvoltage Portection Threshold:
5V Output.......................................6.2V
12V Output.....................................15V
15V Output.....................................18V
9
