www.micropowerdirect.com

MicroPower Direct

292 Page Street

Suite D

Stoughton, MA 02072

USA

T: (781) 344-8226

F: (781) 344-8481

E: sales@micropowerdirect.com

W: www.micropowerdirect.com

Key Features:

MH300RW

Wide Input, 3W

Ultra-Miniature

DC/DC Converters

Input

Parameter

Conditions

Min.

Typ.

Max.

Units

Input Start Voltage

5 VDC Input

4.5

VDC

12 VDC Input

9.0

24 VDC Input

18.0

48 VDC Input

36.0

Short Circuit Input Power

0.50

W

Input Filter

Internal Capacitor

Output

Parameter

Conditions

Min.

Typ.

Max.

Units

Output Voltage Accuracy

±1.5

%

Output Voltage Balance

Dual Output, Balanced Loads

±2.0

%

Line Regulation

±0.2

%

Load Regulation

±1.0

%

Cross Regulation

See Note 2

±5.0

Ripple & Noise (20 MHz)

See Note 3

70

mV P - P

Temperature Coefficient

±0.01

±0.02

%/°C

Transient Recovery Time

See Note 4

250

500

µSec

Transient Response Deviation

±3.0

±5.0

%

Overload Protection

See Note 5

170

%

Output Short Circuit

Continuous (Autorecovery)

General

Parameter

Conditions

Min.

Typ.

Max.

Units

Isolation Voltage

60 Seconds

1,500

VDC

1 Second

1,800

Isolation Resistance

500 VDC

1,000

M



Isolation Capacitance

100 kHz, 1.0V

100

pF

Switching Frequency

100

kHz

EMI Characteristics

Parameter

Standard

Criterea

Level

Radiated Emissions

EN 55022

Class A

Conducted Emissions

EN 55022

Class A

ESD

EN 61000-4-2

A

±8 kV Air

±6 kV Contact

RS

EN 61000-4-3

A

10V/m

EFT, See Note 6

EN 61000-4-4

A

±2 kV

Surge, See Note 6

EN 61000-4-5

A

±1 kV

CS

EN 61000-4-6

A

10 Vrms

PFMF

EN 61000-4-8

A

3A/M

Environmental

Parameter

Conditions

Min.

Typ.

Max.

Units

Operating Temperature Range

Ambient

-40

+80

°C

Case

+95

Storage Temperature Range

-50

+125

°C

Cooling

Free Air Convection

Humidity

RH, Non-condensing

95

%

Physical

Case Size

See Mechanical Diagram (Page 2)

Case Material

Non-Conductive Black Plastic (UL-94V0)

Weight

0.14 Oz (3.9g)

Reliability Specifications

Parameter

Conditions

Min.

Typ.

Max.

Units

MTBF

MIL HDBK 217F, 25°C, Gnd Benign

3.45

MHours

Safety Standards

UL 60950, EN 60950

Absolute Maximum Ratings

Parameter

Conditions

Min.

Typ.

Max.

Units

Input Voltage Surge (1 Sec)

5 VDC Input

12.0

VDC

12 VDC Input

25.0

24 VDC Input

50.0

48 VDC Input

100.0

Lead Temperature

1.5 mm From Case For 10 Sec

260

°C

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

Series

Electrical Specifications

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