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Doc. No. PBC9 Rev.C 28-4-11

145

EC3SA Series

3 W A T T S - D C / D C S I N G L E & M U L T I P L E O U T P U T

FEATURES

•

Industry Standard SIP and SMD Packages

Input ranges 2:1 and 4:1

Single and Multiple Outputs

•

Efficiency up to 85%

•

1500VDC Isolation

•

Low Cost

•

Regulated Outputs

•

Low Ripple and Noise

•

Remote On/Off control

•

No Tantalum Capacitors

INPUT

DC input voltage range

5V

4.5-9V, EC3SA

12V

9-18V, EC3SA

24V

18-36V, EC3SA

48V

36-75V, EC3SA

24V

9-36V, EC3SAW

48V

18-75V, EC3SAW

Input filter

Capacitive

Remote on/off control

Module On

< 1.2VDC or Open Circuit

Module Off

5.5…15VDC

Module Off (input idle current

1mA max.

Isolation voltage

1500 VDC min

Isolation resistance

10^9 Ohms min

Isolation capacitance

500pF typ EC3SAW

OUTPUT

Output voltage

See table

Output current

See table

Voltage accuracy

±3.0% max.

Voltage balance

±1.0% max. Dual

Cross regulation

(Note4)

Asymmetrical load 25%/100%

±5.0% max. Dual

Transient response

25% Step Load Change

Error Band

±6% Vout nominal

Recovery Time

< 500us

Ripple and noise, 20MHz

BW

75mV p-p max

Temperature coefficient

±0.03%/C max

Short circuit protection

Momentary 1sec max

Line regulation (Note1)

±0.5% max

Load regulation (Note2)

±0.5% max, Single

±1.0% max, Dual

Efficiency

See table

Switching frequency

100kH

Short circuit protection

Continuous

ENVIRONMENTAL

Operating ambient

temperature range

40

℃ to +85℃

De-rating

See curve

Case temperature

(Note4)

+100

℃ max

Cooling

Natural convection

Storage temperature

range

-55

℃ to +125℃

Humidity

95% RH max. Non condensing

MTBF

MIL-STD-217F,GB 1.7Mhrs min

EMI (Note5)

Conductive EMI Meet EN55022

Class A & Class B

MECHANICAL

Dimensions

21.8 x 9.2 x 11.1mm

Weight

4.8g

Case material

Non-conductive black plastic

SPECIFICATIONS

NOTE :

1.

Measured From High Line to Low Line

2.

Measured From Full Load to 10% Load

3.

Maximum case temperature under any operating condition should

not be exceeded 100

℃.

4.

For asymmetric loading, Both channels must be at 25% load or more

5.

The EC3SAW series meet EN55022 Class A & Class B with external C-

L filter before the input pins to the converter.(see application note )

PIN

SINGLE OUPUT

MULTIPLE OUTPUT

1

-V Input

-V Input

2

+V Input

+V Input

3

CTRL

CTRL

5

NC

NC

6

+V Output

+V Output

7

-V Output

Common

8

NC

-V Output

PIN CONNECTION