Key Features:

A400RU

Single & Dual Output, 4W

Ultra-Wide Input Range

DC/DC Converters

Series

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

RoHS Compliant

Electrical Specifications

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

Input

Parameter

Conditions

Min.

Typ.

Max.

Units

Input Start Voltage

24 VDC Input

4.5

6.0

8.5

VDC

48 VDC Input

8.5

12.0

17.0

Input Filter

π (Pi) Filter (Complies with EN55022 Class “A”)

Reverse Polarity Input Current

1.0

A

Short Circuit Input Power

2,000

mW

Output

Parameter

Conditions

Min.

Typ.

Max.

Units

Output Voltage Accuracy

±0.5

±1.0

%

Output Voltage Balance

Dual Output , Balanced Loads

±0.5

±2.0

%

Line Regulation

Vin = Min to Max

±0.1

±0.3

%

Load Regulation

Iout = 10% to 100%

±0.3

±1.0

%

Ripple & Noise (20 MHz) (Note 1)

50

75

mV P - P

Ripple & Noise (20 MHz)

Over Line, Load & Temp.

100

mV P - P

Ripple & Noise (20 MHz)

15

mV rms

Output Power Protection

120

%

Transient Recovery Time (Note 2)

25% Load Step Change

150

500

μSec

Transient Response Deviation

±2.0

%

Temperature Coefficient

±0.01

±0.02

%/ºC

Output Short Circuit

Continuous (Autorecovery)

General

Parameter

Conditions

Min.

Typ.

Max.

Units

Isolation Voltage

60 Seconds

1,500

VDC

Isolation Resistance

500 VDC

1,000

MΩ

Isolation Capacitance

100 kHz, 1V

380

500

pF

Switching Frequency

350

kHz

Environmental

Parameter

Conditions

Min.

Typ.

Max.

Units

Operating Temperature Range

Ambient

-40

+25

+71

ºC

Operating Temperature Range

Case

-40

+90

ºC

Storage Temperature Range

-40

+125

ºC

Cooling

Free Air Convection

Humidity

RH, Non-condensing

95

%

RFI

Six-Side Shielded Metal Case

Conducted EMI

Complies with EN55022 Class “A”

Physical

Case Size

1.25 x 0.80 x 0.40 Inches (31.8 x 20.3 x 10.2 mm)

Case Material

Metal with Non-Conductive Base

Weight

0.49 Oz (14g)

Reliability Specifications

Parameter

Conditions

Min.

Typ.

Max.

Units

MTBF

MIL HDBK 217F, 25ºC, Gnd Benign

1.0

MHours

Safety Standards

UL 1950, EN 60950, IEC 60950

Safety Approvals

UL, cUL; File No. E245422

Absolute Maximum Ratings

Parameter

Conditions

Min.

Typ.

Max.

Units

Input Voltage Surge (1 Sec)

24 VDC Input

-0.7

50.0

VDC

48 VDC Input

-0.7

100.0

Lead Temperature

1.5 mm From Case For 10 Sec.

260

ºC

Internal Power Dissipation

All Models

2,500

mW

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