V24

2

SPECIFICATIONS

All Specifications Typical At Nominal Line, Full Load, and 25℃ Unless Otherwise Noted

INPUT SPECIFICATIONS:

GENERAL SPECIFICATIONS:

Input Voltage Range ....………….... 12V …….……..………….…..….. 9-18V

Efficiency ................................................................................. See Table

24V ……………………………… 18-36V

Isolation Voltage ..............................................................… 500 VDC min

48V ……………………….…..…. 36-72V

Isolation Resistance .........................................……….......…… 10

Input Surge Voltage (100ms max.) ………….….… 12V …............. 25Vdc max.

Isolation Capacitance ………………..………….………..…… 500pF typ.

24V .............. 50Vdc max.

Switching Frequency ............................................................ 300KHz typ.

48V .............. 100Vdc max.

Operating Ambient Temperature Range …..................... –25℃ to +71℃

Input Filter ………………………………………………….……………..... Pi Type

De-rating, Above 71℃ ………………… Linearly to Zero power at 100℃

OUTPUT SPECIFICATIONS:

Case Temperature (note 3) ……......................................... 100℃ max.

Voltage Accuracy ………………....…………….….......….………… ±1.0% max.

Storage Temperature Range ………….…....………..... –40℃ to +100℃

Voltage Balance (Dual) …………………..………………………… ±1.0% max.

Humidity .................................................. 95% RH max. Non condensing

Transient Response

MTBF ……… MIL-STD-217F, GB, 25℃, Full Load …….… 1500Khrs typ.

Single 25% Step Load Change ………...………………… <500u sec.

EMI/RFI ………………………………………. Six sided Continuous Shield

Dual FL-1/2L±1% Error Band ……………………..…….. <500u sec.

Dimensions ……………… 2.00x1.00x0.40 inches (50.8x25.4x10.2mm)

Ripple and Noise, 20MHz BW ………………………………….. 75mV p-p max.

Case Material …….… Black Coated Copper with Non-Conductive Base

Temperature Coefficient …………………………......……….. ±0.02%/°C max.

Weight ……………..……………….…………………………………….. 32g

Short Circuit Protection …………………………………….……….. Continuous

Line Regulation (note1) ……................................................…… ±0.2% max.

Load Regulation (note2) ………………………………….......…...... ±1.0% max.

Start up time ………………………………… 20ms typ.(EC5BE21, EC5BE27)

OPTION:

1. Suffix ”T” to the Model Number with Remote On/Off Remote On/Off Control:

Logic Compatibility ………….…….... COMS or Open Collector TTL

EC-On ……………………….………..…. >+5.5VDC or Open Circuit

EC-Off ………………………………………………… 0 to <1.8VDC

Control Common ………………….…….. Referenced to input Minus

2. Suffix “A” to the Model Number with Output Voltage Adjustable External

Trim Adj. Range≧±10%, Single Output Only

NOTE:

1. Measured from high line to low line.

2. Measured from full load to 1/4 load.

3. Maximum case temperature under any operating condition should

not be exceeded 100℃

Case B Dimensions:

BOTTOM

VIEW

PIN CONNECTION

Pin

1.

2.

3.

4.

5.

+V Input

-V Input

+V Output

Common/NP/Trim (Option)

-V Output

Function

*NP-NO PIN ON SINGLE OUTPUT

min

Tolerances

Inches: X.XX= ±0.04 , X.XXX= ±0.010

Millimeters: X.X= ±1 , X.XX=±0.25

All Dimensions In Inches (mm)

6.

NP/Remote(Option)

NOTE: Pin Size is 0.04±0.004 Inch (1.0±0.1 mm)DIA

EXTERNAL OUTPUT TRIM

10K Ohms

+Vout

TRIM

-Vout

+Vout

TRIM

-Vout

TRIMPOT

TRIM UP

TRIM DOWN

Typical Derating curve for Natural Convection

100

71

-25

0%

20%

40%

60%

80%

100%

120%

-25

0

25

50

75

100

Natural

Convection