M641 datasheet(2/5 Pages) ENERCON

2 / 5 page

Page 2 of 5

Nov 2, 2021

Rev g

Doc: DS_M641 Series

M641 SERIES DC/DC POWER SUPPLY

Cham,

www.enercon-europe.com

Netanya, www.enercon.co.il

Gurgaon, www.mpsindia.in

Switzerland

sales@enercon-europe.com

Israel

sales@enercon.co.il

India

sales@mpsindia.in

APPLICATIONS

Military, Ruggedized, Telecom, Industrial

SPECIAL FEATURES

• Miniature size

• High efficiency

• Wide input range

• Input / Output isolation

• Fixed switching frequency (250 kHz)

• External synchronization capability

• TTL logic enable

• EMI/RFI filters included

• Indefinite short circuit protection with auto-recovery

• Over-voltage shutdown with auto-recovery

• Over temperature shutdown with auto-recovery

ENVIRONMENTAL

Meets or exceeds MIL-STD-810D

Temperature:

Operating –55C to +90C (baseplate)

Storage –55C to +125C

RELIABILITY

150,000 hours, calculated per

MIL-STD-217F at +85C baseplate, ground fixed.

ELECTRICAL SPECIFICATIONS

DC INPUT

DC Input range: 18

to 70 VDC Input

transient protection:

All models meet or exceed (no damage)

MIL-STD-1275A (100V for 50 mSec) and

MIL-STD-704A, MIL-STD-704D (80V for 0.1 Sec)

Efficiency:

up to

80% EMC:

Designed to meet MIL-STD-

461F*

CE101, CE102, CS101,

CS114, CS115, CS116,

RE101, RE102, RS101,

RS103

Isolation:

200V between Input

and Output 200V

between Input and

Case

DC OUTPUT (floating)

Line/Load regulation:

Less than 1% (no load to full load, –55C to +90C)

Ripple and Noise: 50mVp-p, typical

(max. 1%)Current limiting (Hiccup):

Continuous protection for unlimited

time

Over voltage protection:

Passive transorb on outputs.

Over temperature protection:

Shutdown at baseplate temperature of +105C (5C)

Automatic recovery at baseplate

temperature lower than +95C

(5C)

Isolation:

200V between Output and

Input 100V between

Output and Case

* EMC compliance achieved when tested with 5 μH LISNs,

shielded harness and static resistive load.

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