Input

Input Voltage Range

• See Models & Ratings table

Input Transient

• ±250 V for 70 μs 2 J,

100 V for 50 ms 0.5

Ω

per MIL-STD-1275A-E

Input Reverse Voltage • Continuous

Protection

Fuse Protection

• None

Output

Output Voltage

• Tracks input voltage & clamps <36 VDC

Output Power

• See Models & Ratings table

Output Module Inhibit • Open collector transistor rated

(INH)

70 VDC with 5 mA sink current referenced

to -Vin/-Vout.

When the output current is:

>4 A: DSF100, >7.77 A : DSF200LV

>28 A: DSF500 then the INH pin is pulled

logic low.

This can be used to inhibit downstream

DC-DC converters and reduce the load on

the filter. When the output current is lower

than above the INH pin is logic high.

Overtemperature

• Shuts down output by pulling disable pin

Protection

low when baseplate >100 °C. Typical

hysteresis 5 °C auto recovery

Specification

Filter & Surge Protection

•

Up to 28 A Output Current

•

Up to 500 W Output Power

•

Active Surge Protection

•

MIL-STD 461 and DEF-STAN 59-411

•

MIL-STD 1275 and DEF-STAN 61-5

•

MIL-STD 810

•

3 Year Warranty

DSF/FSO Series

xppower.com

General

Efficiency

• See Table

Isolation Voltage

• 500 VDC Input & Output to Case

Series Resistance

• 0.07

Ω DSF100, 0.26 Ω DSF200LV,

0.018

Ω DSF500, 0.013 Ω FS0461

Disabled Input Current • 25 mA

Disable (DIS)

• On=open circuit or up to 40V

Off=short circuit or <1V

No Load Current

• 75 mA

Package Style

• Photo-etched nickel-silver case &

aluminium cooling baseplate

MTBF

• DSF100: 2496 kHrs,

DSF200LV: 2218 kHrs,

DSF500: 573 kHrs,

FSO461: 8737 kHrs,

to MIL-HDBK-217F at 40 °C, GB

Environmental

Operating Temperature • -40 °C to +100 °C baseplate

Storage Temperature

• -55 °C to +100 °C

Salt Atmosphere

• MIL-STD-810G method 509.4

Humidity

• MIL-STD-810G 507.4

Altitude

• MIL-STD-810G 500.4

Shock

• MIL-STD-810G 516.5 function test for

ground equipment 40 g in 3 axes

Vibration

• MIL-STD-810G method 514.5C-17.

Minimum integrity test for military

equipment (1 Hr/axis, 3 axes).

Vibration 5-33 Hz, 0.5 mm displacement

EMC & Safety

Safety Approvals

• CE marked LVD

Immunity

• MIL-STD-1275A-E, MIL-STD-461E/F/G

(CS101, CS114, CS115 & CS116)

MIL-STD-704A, DEF-STAN 61-5 part 6 issue 5

Contact Sales when DEF-STAN-61-5 part 6

issue 6 is required

EMC Performance

• DSF100 & DSF200LV: MIL-STD 461E/F

CE102 & DEF STAN 59-411 DCE01/DCE02

is achieved with external components.

DSF500: Compliance to MIL-STD 461E/F/G

CE102 & DEF STAN 59-411 DCE01/DCE02

is achieved when used in conjuction

with FS0461. See longform datasheet for

more information.