FED20-48S05W データシートの表示（PDF） - Astrodyne Corporation

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FED20-48S05W

Isolated and Regulated 20 WATT Modular DC/DC Converters

Astrodyne Corporation 

Isolated and Regulated 20 WATT Modular DC/DC Converters

FED20W series

INPUT SPECIFICATIONS

GENERAL SPECIFICATIONS

I/P Voltage Range (24/48V Nom.) 9-36 / 18-75VDC

Voltage Surge (100mS max) 24 V: 50 VDC; 48 V: 100 VDC

Under Voltage Lockout

24 VDC I/P DC/DC ON: 9 VDC OFF: 7.5 VDC

48 VDC I/P DC/DC ON: 15 VDC OFF: 18 VDC

Input Filter

Pi Type

Input Voltage Variation (dv/dt) 5V/rms, max. to ETS300 132 part 4.4

Input Reflected Ripple Current 20mA p-p

Start Up Time (Power Up or RC) 20mS, typ.

On/Off Control Positive Logic: (Ref to - Input) is standard.

ON = Open or 3V < Vr < 12V

OFF = Short or 0V < Vr < 1.2V

Negative Logic: (optional)

ON = Short or 0V < Vr < 1.2V

OFF = Open or 3V < Vr < 12V

Efficiency

See Selection Chart

OUTPUT SPECIFICATIONS

Voltage and Current

See Selection Chart

Load Regulation NL-FL

Singles: ±0.5%

Duals: ±1%

Cross Regulation (Dual 25%-FL) ±5%

Voltage Adjustability (Single O/P) ±10%

Line Regulation (Single/Dual) ±0.2% / ±0.5%

Temperature Coefficient

±0.02%/°C, max.

Ripple/Noise

See Selection Chart

Voltage Accuracy

± 1%

Transient Response Recovery

25% Load Step Change

250 microSeconds

Short Circuit Protection

Continuous Hiccup, self-recovering

Overvoltage Protection, Zener Diode Clamp:

3.3V Output

3.9Volts

5V Output

6.2Volts

12V Output

15Volts

15V Output

18Volts

Overload Protection

150% of FL Rating, typ.

Input-Out Isolation

In/Out Capacitance

Isolation Resistance

Switching Frequency

1600VDC

1500 pF, max.

10000 M Ohms

400Khz, typ

ENVIRONMENTAL SPECIFICATIONS

Oper. Temperature

-40 to +105°C (see derate curve)

Relative Humidity

5-95%

Storage Temperature

-55 to +125°C *

Maximum Case Temp

105°C *

Thermal Impedance

Convection: 12°C/Watt

Convection w. Heatsink: 10°C/Watt

Thermal Shock

MIL-STD-810D

Vibration

10-55Hz 10G 30 min. on X, Y, Z axes

MTBF

BELLCORE TR-NWT-000322 Case 1: 50% Stress, Temp. @ 40°C

1.691 MHrs

MIL-HDBK-217F TA=25°C FL, Ground Benign, Controlled Environment

562.9 KHrs

EMI

EN55022A

ESD

EN61000-4-2 Criteria B

Radiated Immunity

EN61000-4-3 Criteria A

EFT

EN61000-4-4B Criteria B

Surge

EN61000-4-5B Criteria B

Conducted Immunity

EN61000-4-6A Criteria A

PHYSICAL SPECIFICATIONS

Case Material

Construction

Dimensions

Weight

Nickel-Coated Copper w. FR4 Base

Encapsulated w, UL94-V0 Epoxy

2”L x 1”W x 0.4”H

(50.8 x 25.4 x 10.2mm)

0.95oz (27g)

All specifications are typical at nominal input, full load, and 25DegC unless

otherwise noted

* These are stress ratings. Exposure of the devices to any of these conditions

may adversely affect long term reliability. Proper operation under conditions

other than the standard operating conditions is neither warranteed nor implied.

WWW.ASTRODYNETDI.COM

ASTRODYNE USA: 1-800-823-8082

ASTRODYNE PACIFIC: 886-2-26983458

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