OUTPUT SPECIFICATIONS
Output power
40 Watts max
Voltage accuracy Full load and nominal Vin
Single & Dual
Triple 3.3V/5V
Auxiliary
± 2%
± 2%
± 5%
Voltage adjustability
± 10%
Minimum load (Note 1)
FDC40-XXD3305 3.3V output
Others
20% min
10% of FL
Line regulation
LL to HL at Full Load
Single
Dual
Triple 3.3V/5V
Auxiliary
± 0.5%
± 1%
± 2%
± 5%
Load regulation
10% to 100% FL
Single
Dual
Triple 3.3V/5V
Auxiliary
± 0.5%
± 1%
± 2%
± 5%
Cross regulation (Note 2)
Dual
Triple 3.3V/5V
Auxiliary
± 1%
± 1%
± 5%
Ripple and noise
20MHz bandwidth
1%/p-p of Vout max
Temperature coefficient
I0.02% / ºC, max
Transient response recovery time 25% load step change
500uS
Over voltage protection
Zener diode clamp
3.3V output
5V output
12V output
15V output
3.9V
6.2V
15V
18V
Short circuit protection
Hiccup, automatics recovery
INPUT SPECIFICATIONS
Input voltage range
12V nominal input
24V nominal input
48V nominal input
9 – 18VDC
18 – 36VDC
36 – 75VDC
Input filter
Pi type
Input surge voltage
100mS max
12V input
24V input
48V input
36VDC
50VDC
100VDC
Input reflected ripple (Note 3) Nominal Vin and full load
40mAp-p
Start up time
Nominal Vin and constant resistor load
25mS typ
Remote ON/OFF
(Note 4)
Remote off input current
DC-DC ON
DC-DC OFF
Nominal input
Open or 3.5V < Vr < 12V
Short or 0V < Vr < 1.2V
30mA
GENERAL SPECIFICATIONS
Efficiency
See table
Isolation voltage
1600VDC, min
Isolation resistance
10
9
ohms, min
Isolation capacitance
500Pf, max
Switching frequency
185KHz, typ
Design meet safety standard
UL1950, EN60950
Case material
Nickel-coated copper
Base material
Non-conductive black FR4
Potting material
Epoxy (UL94-V0)
Dimensions
3.00 X 2.60 X 0.40 Inch
(70.2 X 66.0 X 10.2 mm)
Weight
125g (4.4oz)
MTBF (Note 5)
1.590 x 10
6 hrs
ENVIRONMENTAL SPECIFICATIONS
Operating temperature range
-40ºC ~ +85ºC (with derating)
Maximum case temperature
+100ºC
Storage temperature range
-55ºC ~ +105ºC
Thermal impedance
Nature convection
5.7ºC/watt
Thermal shock
MIL-STD-810D
Vibration
10~55Hz, 2G, 30minitues along X,Y and Z
Relative humidity
5% to 95% RH
EMC CHARACTERISTICS
Conducted emissions
EN55022
Level A
Radiated emissions
EN55022
Level A
Conducted immunity
EN61000-4-6
Perf. Criteria2
Radiated immunity
EN61000-4-3
Perf. Criteria2
Surge
EN61000-4-5
Perf. Criteria2
Fast transient
EN61000-4-4
Perf. Criteria2
ESD
EN61000-4-2
Perf. Criteria2
The FDC40 series offer 40 Watts of output power from a 3 x 2.6 x 0.4 inch package.
The FDC40 series have 2:1 wide input voltage of 9-18, 18-36 and 36-75VDC. The FDC40
features 1600VDC of isolation, short-circuit and over-voltage protection, as well as six
sided shielding. Designed meets the safety of EN60950 and UL1950. All models are
particularly suited to telecommunications, industrial, mobile telecom and test equipment
applications.
TECHNIC A L SPECIFICA T ION All specifications are typical at nominal input, full load and 25ºC otherwise noted
• 40 WATTS OUTPUT POWER
• 2:1 WIDE INPUT VOLTAGE RANGE
• DESIGN MEET SAFETY STANDARD
• SIX-SIDED CONTINUOUS SHIELD
• HIGH EFFICIENCY UP TO 90%
• STANDARD 3” X 2.6” X 0.4” PACKAGE
• FIXED SWITCHING FREQUENCY
Patent No. 460344