V18

2

SPECIFICATIONS

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

INPUT SPECIFICATIONS:

GENERAL SPECIFICATIONS:

Input Voltage Range ....……………...............………. 5V ..................... 4.7 - 9V

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

12V .................. 9 - 18V

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

24V ………..... 18 – 36V

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

48V …….…..... 36 – 75V

Isolation Capacitance …………………..………………..…… 1000pF typ.

Under voltage lockout …………. 5Vin power up: 4.4V, …... power down: 4.2V

Switching Frequency ............................……...................... 350KHz typ.

12Vin power up: 8.8V, ...…. power down: 8V

EMI/RFI ….… (Standard) …. Conductive EMI Meets EN55022 Class A

24Vin power up: 17V, …... power down: 16V

Operating Ambient Temperature Range .....…...…….... -40℃ to +85℃

48Vin power up: 34V, …... power down: 32V

Derating, Above 71℃ (note7) …..…. Linearly to Zero Power at +105℃

Input Surge Voltage (100mS max.) …... EC2SB-05Sxx/05Dxx …. 12Vdc max.

Case Temperature (note4) …………………………………….. 105℃ max.

EC2SB-12Sxx/12Dxx ... 25Vdc max.

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

EC2SB-24Sxx/24Dxx .... 50Vdc max.

Storage Temperature Range ...…............……....…....... -55℃ to +125℃

EC2SB-48Sxx/48Dxx .. 100Vdc max.

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

Input Filter ………………………………..…….…… Standard …………. PI Type

MTBF …… MIL-HDBK-217-F, GB, 25℃, Full Load ……… 1200Khrs typ.

SMD ………….... LC Type

Dimensions ..... Standard .... 1.00x1.00x0.4 inches (25.4x25.4x10.2 mm)

Positive Logic Remote on/off Control:

SMD ……. 1.00x1.00x0.36 inches (25.4x25.4x9.2 mm)

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

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

Module On ……………………….. >+5.5V to 75VDC or Open Circuit

Weight …………………………………………………..………………. 18g

Module Off ……….…….…………………….……………. 0 to <1.2VDC

NOTE:

OUTPUT SPECIFICATIONS:

1. Measured from high line to low line.

Voltage Accuracy ………………....……………….......…………… ±1.5% max.

2. Measured from full load to min. load.

Voltage Balance (Dual) …….…………………………………….…. ±2.0% max.

3. The output ripple and noise is measured with 10uF tantalum and 1uF

Transient Response: 25% Step Load Change ............….....……..… <500us.

ceramic capacitor across output.

Ripple and Noise, 20MHz BW (note3) ………………...…… 50mV pk-pk max.

4. Maximum case temperature under any operating condition should

SMD …….. 100mV pk-pk max.

not be exceeded 105℃.

Temperature Coefficient ....................….………...…..……….. ±0.03%/℃ max.

5. Suffix ”S” to the model number with SMD packages.

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

6. Suffix”+K-C087” type with heat sink.

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

7. Others Model refer to application note.

SMD ………………........ ±0.3% max.

Dual …..………..….....… ±0.5% max.

Load Regulation (note2) ………….…... Single ..………..….......... ±0.2% max.

SMD …………………..... ±0.5% max.

Dual …………………..… ±1.0% max.

Cross Regulation (Dual output) Load cross variation 10%/100% …. ±5% max.

Over Voltage Protection ……………………….………… Zener or TVS Clamp

External Trim Adj. Range (single output models only) ………………….. ±10%

Current Limit ……………………………………. 110% - 140% Nominal Output

Start up time …………………………………..……………..……… 20ms max.

SIZE SB Dimensions:

BOTTOM

VIEW

1

2

5

4

3

1.00

[25.4]

0.400

[10.16]

0.400

[10.16]

0.40

[10.2]

0.200

[5.08]

0.40

[10.2]

0.22

[5.6]

min.

Tolerances Inches: X.XX= ±0.02 , X.XXX= ±0.010

Millimeters: X.X= ±0.5 , X.XX=±0.25

All Dimensions In Inches (mm)

6

0.300

[7.62]

0.300

[7.60]

0.200

[5.10]

1.00

[25.4]

0.40

[10.2]

0.40

[10.2]

0.40

[10.2]

0.10

[2.5]

BOTTOM

VIEW

3

0.22

[5.6]

0.81

[20.5]

Suffix "+K-C087" Type

min.

4

5

6

2

1

PIN CONNECTION

Pin

1

2

3

4

5

+Input

-Input

+V Output

Trim

-V Output

Function

6

Remote

Single

Dual

+Input

-Input

+V Output

Common

-V Output

Remote

THROUGH-HOLE PACKAGE

SMD- PACKAGE

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

TOP

VIEW

1.00

[25.4]

1.00

[25.4]

0.800

[20.32]

1

2

6

3

4

5

2-0.400

[10.16]

0.015

[0.38]

0.055

[1.40]

0.110

[2.79]

0.020

[0.50]

1.22

[30.99]

0.10

[2.54]

0.100

[2.54]

0.40

[10.2]

0.36

[9.2]

EC2SB-12S05 Derating curve for Natural Convec tion

-40

105

76 81

0%

20%

40%

60%

80%

100%

120%

-40

-20

0

20

40

60

80

100

Ambient Temperature(

without Heat Sink

with Heat Sink

EXTERNAL OUTPUT TRIM

10K Ohms

+Vout

TRIM

-Vout

+Vout

TRIM

-Vout

TRIMPOT

TRIM UP

TRIM DOWN