SINGLE  , DUAL AND TRIPLE DC/DC CONVERTERS

• IDEAL FOR TELECOM/NETWORKING APPLICATION
• 2:1 INPUT RANGE
• EFFICIENCY TO 90%
• SIX-SIDED SHIELD
• 2” * 2” * 0.4” CASE SIZE
• ON/OFF CONTROL
• OVER CURRENT PROTECTION
• SAFETY APPROVAL PENDING
 
ELECTRICAL SPECIFICATIONS
All specifications are typical at nominal input, full load, and 25ΊC unless otherwise noted
INPUT SPECIFICATIONS

Input voltage range 24V nominal……………………..……….......………18 to 36V
                              48V nominal…........………………..………….......…36 to 75V
Input filter…………………………………………………...…….........….LC Type
Under voltage shutdown.................................................................17 or 34VDC, typ.
Remote off input current............................................................................2.5mA, typ.

OUTPUT SPECIFICATIONS

Output voltage set-point accuracy Single/Dual….…….……......………...…….±1%
                                                    Triple................................................primary ±1%
                                                            .............................................Auxiliaries ±5%
Ripple and noise, 20MHz BW..………………………………......…...SEE TABLE
                                                    (Measured with a 104pF/50V multilayer capacitor)
Line regulation, HL-LL……….………………………….…......……….......±0.5%
Load regulation, 100% to 10% Full Load Single....….……………......…......±0.5%
                                                                Dual..................................................±1%
                                                                Triple.............................Primary        ±2%
                                                                                                     Auxiliaries     ±5%
Efficiency…………………..……………………………....………....SEE TABLE
Temperature coefficient………….………………………..….....…...…±0.02%/ΊC
Short circuit protection……………………………………….....…........Continuous
Transient response recovery time, 25% load step change…....……..........…400΅ sec
Transient voltage peak deviation…………………..…………......…….200mV,max.
Minimum Output Current % Iout Rated (Main Output):
FEC40-xxD3305 (3.3V)....................................................................................20%
 Dual and Triple…...................................................................................………10%

REMOTE ON/OFF CONTROL

Control voltage referenced to negative(-)input
Compatibility…….…………………………….....……….………….CMOS, TTL
On-control……………………………………….....…………..4.8V min. or open
Off-control………………………………………....………….0.4V max. or short

GENERAL SPECIFICATIONS

Switching frequency………………………………....……..…………300kHz, typ.
Isolation voltage…………………………………….....………..….1600VDC min.
Isolation resistance………....…………………………....………….109Ohms, min.

ENVIRONMENTAL SPECIFICATIONS

Operating temperature range………………….………....….……..-25ΊC to +71ΊC
Storage temperature range………………………….....…………-55ΊC to +105ΊC
Case temperature....................................................................................100ΊC max.
Cooling………....………………………….………….....…….Free-air convection
EMI / RFI………..………………………......……….Six-Sided Continuous Shield

PHYSICAL SPECIFICATIONS

Case Material…………........…..Nickel-Coated Copper with Non-Conductive Base
Dimensions……………….…………….….......……….........2.0 x 2.0 x 0.4 Inches
                                                                                           (50.8 x 50.8 x 10.2 mm)

MODEL NUMBER

OUTPUT
VOLTAGE

OUTPUT
CURRENT

Ripple & noise
(mVP-P)

% typ.
EFF.

CAPACITOR
LOAD MAX

FEC40-24S3P3 3.3V 8A 50mV P-P 87% 31300uF
FEC40-24S05 5V 8A 50mV P-P 89% 13600uF
FEC40-24D3305 3.3/5V 4/4A 50mV P-P 84% 11000uF/6800uF
FEC40-24T3312 3.3/±12V 6/±0.4A 50/75mV P-P 85% 13000uF(3.3V)
FEC40-24T3315 3.3/±15V 6/±0.3A 50/75mV P-P 85% 13000uF(3.3V)
FEC40-24T0512 5/±12V 6/±0.4A 50/75mV P-P 87% 6800uF(5V)
FEC40-24T0515 5/±15V 6/±0.3A 50/75mV P-P 87% 6800uF(5V)
FEC40-48S3P3 3.3V 8A 50mV P-P 88% 31300uF
FEC40-48S05 5V 8A 50mV P-P 90% 13600uF
FEC40-48D3305 3.3/5V 4/4A 50mV P-P 88% 11000uF/6800uF
FEC40-48T3312 3.3/±12V 6/±0.4A 50/75mV P-P 86% 13000uF(3.3V)
FEC40-48T3315 3.3/±15V 6/±0.3A 50/75mV P-P 86% 13000uF(3.3V)
FEC40-48T0512 5/±12V 6/±0.4A 50/75mV P-P 88% 6800uF(5V)
FEC40-48T0515 5/±15V 6/±0.3A 50/75mV P-P 88% 6800uF(5V)

 

Pin Connections

PIN#

FEC40 SERIES

 SingleDualTriple
1+Vin+Vin+Vin
2-Vin-Vin-Vin
3CtrlCtrlCtrl
4NC3.3V+Aux Out
5-Sense3.3V RTNCommon
6+SenseNC-Aux Out
7+VoutNC+Vout
8-Vout5V-Vout
9Trim5V RTNNC
OPERATING TEMPERATURE LIMITS AND OUTPUT POWER RANGE