V28

2

SPECIFICATIONS

All Specifications Typical At Nominal Line, Full Load, and 25

Unless Otherwise Noted

℃

INPUT SPECIFICATIONS :

GENERAL SPECIFICATIONS:

Input Voltage Range ….………………....................................... ±10%

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

Input Surge Voltage (100ms max.) ………….. 5V ................ 9Vdc max.

Isolation Voltage …....................................…….………....... 1500 VDC min.

12V ……...... 18Vdc max.

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

24V ……..… 30Vdc max.

Isolation Capacitance …………………..………………………….. 10pF typ.

Input Filter ……………………………………………..……… Capacitive

Switching Frequency …..........................………................... 100KHz typ.

OUTPUT SPECIFICATIONS :

24Vin …..….... 75KHz typ.

Voltage Accuracy ………………….…………………......… ±3.0% max.

Operating Ambient Temperature Range …………………… -40

to +85

℃

℃

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

Ripple & Noise, 20MHz BW …..... SIP Models ..........… 75mV pk-pk max.

De-rating, Above 85

…………...……… Linearly to Zero power at 100

℃

℃

SMD Models …….. 120mV pk-pk max.

Case temperature (note5) ………..………….………..…..……+100

max.

℃

Temperature Coefficient …..........................………………..... ±0.05%/℃

Cooling ……………………………………..….……….. Natural Convection

Short Circuit Protection …..................….………… Momentary 1sec. max.

Storage Temperature Range ……….........………..…..... -55

to +125

℃

℃

Line Regulation (note1) ..….……………..…………………….. ±1.2% max.

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

Load Regulation (note2) ………………..……......……………. ±10% max.

MTBF ………. MIL-HDBK-217F, GB ..……..………………… 1.5Mhrs min.

NOTE:

Lead-Free Reflow Solder Process (SMD Models) ….. Meet J-STD-020D.1

1. Line regulation is per 1.0% change in input voltage.

Dimensions:

2. Load regulation is for load change from 100% to 20%.

SIP Models …………...…... 0.77x0.24x0.40 inches(19.5x6.1x10.2 mm)

3. The output noise is measured with 0.33uF ceramic capacitor.

SIP Models(24Vin) ……...... 0.77x0.28 x0.40 inches(19.5x7.2x10.2 mm)

4. Suffix “S” to the model number with SMD packages, 5&12Vin

SMD Models(Single) …...... 0.54×0.36×0.29 Inches (13.7×9.2×7.4 mm)

models only.

SMD Models(Dual) …...... 0.64×0.36×0.29 Inches (16.2×9.2×7.4 mm)

5. Maximum case temperature under any operating condition should

Case Material ………………………….……… Non-conductive black plastic

not be exceeded 100

.

℃

Weight ………..………………………………… 24Vin …..…..…………. 2.7g

6. The EC1SA2XN input terminal need to parallel with 4.7uF

Others …….………….. 1.8g

ceramic capacitor.

SMD Tpye ………….. 1.4g

CASE Miniature:

0.08 [2.1]

2

1

4

6

5

0.77 [19.5]

0.100 [2.54]

0.73 [18.5]

Dual Output

Single Output

Pin

+V Output

+V Output

6

-V Input

2

-V Output

No Pin

5

4

+V Input

1

Common

PIN CONNECTION

X.X±0.25

X.XX±0.01

SIP PACKAGES

Pin

±0.002

X.XXX±0.005

±0.05

X.XX±0.13

All Dimensions In Inches(mm)

Tolerance

Inches

Millimeters

2

1

4

6

5

0.020[0.50]

0.73 [18.5]

0.020[0.50]

24Vin

-V Input

-V Output

+V Input

NA:Not Available for Electrical Connection

1

2

3

4

8

7

6

5

Single Output

Pin

+V Output

5

+V Input

2

-V Output

4

3

-V Input

1

PIN CONNECTION

0.12(3.0)

0.300(7.62)

5-0.024(0.60)

0.100(2.54)

0.54(13.7)

6

7

NA

8

No Pin

No Pin

No Pin

0.39(9.8)

0.44(11.2)

1

2

4

3

5

6

7

8

9

10

6-0.024(0.60)

0.100(2.54)

0.300(7.60)

0.120(3.00)

0.400(10.2)

0.44(11.2)

0.39(9.8)

NA:Not Available for Electrical Connection

Dual Output

Pin

-V Output

5

+V Input

2

Common

4

3

-V Input

1

PIN CONNECTION

6

7

8

No Pin

No Pin

9

10

NA

No Pin

No Pin

+V Output

SMD PACKAGES

0.64(16.2)

Typical Derating curve for Natural Convection

0%

20%

40%

60%

80%

100%

120%

-40

-20

0

20

40

60

80

100

Ambient Temperature(

Natural

Convection