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MicroPower Direct

292 Page Street

Suite D

Stoughton, MA 02072

USA

T: (781) 344-8226

F: (781) 344-8481

E: sales@micropowerdirect.com

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Key Features:

MR2011S

Ultra-Wide Input, 20W

Compact, Railway

DC/DC Converters

Input

Parameter

Conditions

Min.

Typ.

Max.

Units

Input Voltage Range

40.0

110.0

160.0

VDC

Input Start Voltage

39.8

VDC

Under Voltage Shutdown

36.0

VDC

Input Filter

(Pi) Filter

Output

Parameter

Conditions

Min.

Typ.

Max.

Units

Output Voltage Accuracy

±1.0

±3.0

%

Output Trim Range

±10

%

Line Regulation

±0.2

±0.5

%

Load Regulation

±0.5

±1.0

%

Ripple & Noise (20 MHz)

See Note 1

75

100

mV P - P

Transient Recovery Time, See Note 2

25% Load Step Change

500

800

µSec

Transient Response Deviation

±3.0

±5.0

%

Output Power Protection

110

130

170

%

Temperature Coefficient

±0.02

%/°C

Output Short Circuit, See Note 3

Continuous (Autorecovery)

General

Parameter

Conditions

Min.

Typ.

Max.

Units

Isolation Voltage

60 Seconds

1,500

VDC

Isolation Resistance

500 VDC

1,000

M



Isolation Capacitance

100 kHz/0.1V

2,000

pF

Switching Frequency

300

kHz

Environmental

Parameter

Conditions

Min.

Typ.

Max.

Units

Operating Temperature Range

Ambient

-40

+25

+85

°C

Case

+105

Storage Temperature Range

-55

+125

°C

Cooling

Free Air Convection

Humidity

RH, Non-condensing

95

%

Physical

Case Size

See Mechanical Diagram (Page 4)

Case Material

Aluminum Alloy With Non-Conductive Base (UL94-V0)

Weight

0.99 Oz (28g)

Remote On/Off

Parameter

Conditions

Min.

Typ.

Max.

Units

Unit On

See Note 4

2.5

12.0

VDC

Unit Off

See Note 4

0

1.2

VDC

Off Idle Current

1.0

mA

Reliability Specifications

Parameter

Conditions

Min.

Typ.

Max.

Units

MTBF

MIL HDBK 217F, 25°C, Gnd Benign

1.0

MHours

Vibration, 5 - 150 Hz

Displacement Range

7.5 mm

Acceleration

2G

Absolute Maximum Ratings

Parameter

Conditions

Min.

Typ.

Max.

Units

Input Voltage Surge (1 Sec)

24 VDC Input

-0.7

200.0

VDC

Lead Temperature

1.5 mm From Case for 10 Sec

300

°C

Caution: Exceeding Absolute Maximum Ratings may damage the module. These are not continuous operating ratings.

Electrical Specifications

Specifications typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Specifications subject to change without notice.

Series