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ACON

Series,

15-20W

DC-DC CONVERTERS

Exclusively distributed by Powerstax

Input Ranges :

9-75 VDC

Output Output:

Single Output

3.3V - 24V

Bipolar Output

±5.0V, ±12V, ±15V

Triple Output

+5.0V / ±12V,

+5.0V / ±15V

Output Power:

15 - 20 W

The

DC-DC converters feature high power density, high efficiency and

excellent line & load regulation. Using innovative design technique, state-of-the

art Current Mode PWM control, and Surface Mount packaging & manufacturing

technology, the FS series provides up to 20 watts of well regulated power in a

encapsulated 2.0” x 2.0” x 0.40” metal case with six-sided EMI/RFI shielding.

Automatic feed forward compensation, pulse-by-pulse current limiting, and output

short circuit protection are standard for all models.

These converters are designed for wide input range telecommunications,

industrial and instrument applications. The wide input range (2:1 & 4:1) is ideal for

battery or unregulated input applications.

No external components are needed for normal operation. Low ESR capacitors

are used to minimize the conductive noise. This package is ideal for all I/O board

system and distributed DC power configurations.

FEATURES

General:

• Small footprint : 2.0” x 2.0”

• Current-Mode Control

• Input/Output Isolation

• Input Voltage from 9 to 75Vdc

• 2:1 & 4:1 Input Voltage Range

• High conversion efficiency to 84%

• Line & load regulation to ±1.0%

• Fixed operating frequency

• Six-Sided Shielding

Isolation:

• Isolation Voltage >500V

APPLICATIONS

• Distributed Power Systems

• Workstations

• Computer Equipment

• Communications Equipment

TABLE OF CONTENTS :

General

Specifications

.................................................................................................. 2

Single Output ................................................................................................................ 4

Bipolar Output ............................................................................................................ 6

Triple Output ................................................................................................................. 8

ACON, INC.

• www.aconinc.com

Series

Rev. Mar. 12, 1998

Pg. 1 of 9

ACON

Series,

15-20W

DC-DC CONVERTERS

Exclusively distributed by Powerstax

1. Absolute Maximum Ratings

Parameter

Stresses in excess of the absolute maximum ratings can cause performance degradation, adversely effect longterm reliability,

and cause permanent damage to the device.

Input Voltage

Conditions / Description

W24

W48

W-24

W-48

All models, base plate temperature

Ambient

Input to Output

Min

-0.3

-40

-55

Max

+95

+105

+700

Units

Vdc

°C

Vdc

Continuous

Transient

(100mSec.)

Operating Temperature

Storage Temperature

Isolation Voltage

2. Input Specifications

Parameter

Input Voltage

Voltage Range

(Continuous)

W-24

W-48

Conditions / Description

Min

Nom

Max

Units

Vdc

3. Enable (On-Off Control)

Parameter

Enable Pin

Open Circuit Voltage

Source Current

Positive Logic

On-Control

Off-Control

Negative Logic

Conditions / Description

Standard

Logic High or Floating

Not Available

Min

Nom

Max

Units

Vdc

5.0

-0.5

1.8

* Enable pin can be left floating if not used.

4. Output Specifications

Parameter

Voltage Accuracy

Output Current

Output Trim

Over Voltage Protection

Line Regulation

Load Regulation

Transient Respoonse

Ripple & Noise

Switching Frequency

Conditions / Description

Please see table

Not Available

Not available

50% ± 25% step load change

Please see table

Min

Nom

Max

±1.0

400

100

Adc

%Vout

Vdc

%Vout

µSec.

mVp-p

KHz

Units

ACON, INC.

• www.aconinc.com

Series

Rev. Mar. 12, 1998

Pg. 2 of 9

ACON

Series,

15-20W

DC-DC CONVERTERS

Exclusively distributed by Powerstax

5. Output Trim

Parameter

Negative Trim

Trim Up

Trim Down

Positive Trim

Conditions / Description

Standard

Trim Pin to (-)Vout

Trim Pin to (+)Vout

Not Available

Min

Nom

Max

Units

%Vdc

* Trim pin can be left floating if not used

6. Environmental and Mechanical Specifications

Parameter

Conditions / Description

Operating Temperature

Storage Temperature

Temperature Coefficient

Shock

Sinusoidal Vibration

Humidity

Weight

MTBF (calculated)

PCB Temperature

Halfsine wave, 3 axes

GR-63-CORE, Section 5.4.2

Relative Humidity, Non-Condensing

Bellcore TR-NWT-000332 method 1 - parts count

Min

-40

-55

Nom

Max

+95

+105

±0.02

Units

°C

%/°C

%R.H.

Oz (g)

MHrs

6.7 (190)

0.5

7. Isolation Specifications

Parameter

Isolation Voltage

Input to Output

I/O to Case

Isolation Resistance

Isolation Capacitance

Conditions / Description

Min

500

Nom

Max

Units

Vdc

MΩ

Input to Output

ACON, INC.

• www.aconinc.com

Series

Rev. Mar. 12, 1998

Pg. 3 of 9

ACON

Series, Single Output

10-20W

DC-DC CONVERTERS

Exclusively distributed by Powerstax

INPUT

Nominal

(Range)

Max.

Output

Power

10W

13W

15W

20W

15W

20W

15W

20W

15W

20W

10W

13W

15W

20W

15W

20W

15W

20W

15W

20W

10W

13W

15W

20W

15W

20W

15W

20W

15W

20W

10W

13W

15W

10W

13W

15W

Set Point

3.30

5.00

12.0

15.0

24.0

3.30

5.00

12.0

15.0

24.0

3.30

5.00

12.0

15.0

24.0

3.30

5.00

12.0

15.0

24.0

3.30

5.00

12.0

15.0

24.0

Voltage (V)

Min.*

3.20

4.90

11.88

14.85

23.76

3.20

4.90

11.88

14.85

23.76

3.20

4.90

11.88

14.85

23.76

3.20

4.90

11.88

14.85

23.76

3.20

4.90

11.88

14.85

23.76

Max.*

3.40

5.10

12.12

15.15

24.24

3.40

5.10

12.12

15.15

24.24

3.40

5.10

12.12

15.15

24.24

3.40

5.10

12.12

15.15

24.24

3.40

5.10

12.12

15.15

24.24

OUTPUT

Current (A)

Min.

0.3

0.4

0.3

0.4

0.12

0.17

0.1

0.13

0.06

0.08

0.3

0.4

0.3

0.4

0.12

0.17

0.1

0.13

0.06

0.08

0.3

0.4

0.3

0.4

0.12

0.17

0.1

0.13

0.06

0.08

0.3

0.4

0.1

0.08

0.04

0.1

0.06

0.04

Max.

3.0

4.0

3.0

4.0

1.25

1.67

1.0

1.34

0.63

0.84

3.0

4.0

3.0

4.0

1.25

1.67

1.0

1.34

0.63

0.84

3.0

4.0

3.0

4.0

1.25

1.67

1.0

1.34

0.63

0.84

3.0

1.25

1.0

0.63

3.0

1.25

1.0

0.63

Ripple & Noise

Peak-Peak

75mV

100mV

120mV

200mV

75mV

100mV

120mV

200mV

75mV

100mV

120mV

200mV

75mV

100mV

120mV

200mV

75mV

100mV

120mV

200mV

R.M.S.

15mV

25mV

30mV

40mV

15mV

25mV

30mV

40mV

15mV

25mV

30mV

40mV

15mV

25mV

30mV

40mV

15mV

25mV

30mV

40mV

Over

Load

Protection

EFF.

(typ.)

76%

80%

82%

78%

82%

84%

78%

82%

84%

76%

80%

82%

76%

80%

82%

MODEL NO.

F15S1203

F20S1203

F15S1205

F20S1205

F15S1212

F20S1212

F15S1215

F20S1215

F15S1224

F20S1224

F15S2403

F20S2403

F15S2405

F20S2405

F15S2412

F20S2412

F15S2415

F20S2415

F15S2424

F20S2424

F15S4803

F20S4803

F15S4805

F20S4805

F15S4812

F20S4812

F15S4815

F20S4815

F15S4824

F20S4824

FW150S2403

FW15S2405

FW10S2412

FW15S2415

FW15S2424

FW15S4803

FW15S4805

FW15S4812

FW15S4815

FW15S4824

(9 - 18)

(18 - 36)

Pulse

Current

Limiting

(36 - 75)

W-24

(10 - 36)

W-48

(18 - 75)

* Combined Line & Load Regulation.

ACON, INC.

• www.aconinc.com

Series

Rev. Mar. 12, 1998

Pg. 4 of 9

ACON

Series, Single Output

10-20W

DC-DC CONVERTERS

Exclusively distributed by Powerstax

Standard Pin-Out

2.00

(50.8)

0.800

(20.32)

Alternate Pin-Out

2.00

(50.8)

1.800

(45.7)

BOTTOM VIEW

(+)Vout

0.100

(2.54)

0.100

(2.54)

2.00

(50.8)

0.400

(10.16)

0.100

(2.54)

0.100

(2.54)

0.500

(12.70)

2.00

(50.8)

Vin(+)

Vin(-)

(-)Vout

0.400

(10.16)

Vin(+)

Vin(-)

(+)Vout

0.200

(5.08)

0.200

(5.08)

0.600

(15.24)

(-)Vout

Enable

Trim

BOTTOM VIEW

0.04

(1.0)

0.40

(10.2)

0.40

(10.2)

0.04

(1.0)

0.20

(10.2)

Optional, E Suffix

0.20

(10.2)

Product Numbering System & Selection Guide

Series

No.

Output

Power

: 15W

: 20W

Output

: Single

Input

Voltage

10-20V

18-36V

36-75V

10-36V

18-75V

Output

Voltage

: 3.3V

: 5.0V

: 12V

: 15V

: 24V

Options

: Alternate Pin-Out

ACON, INC.

• www.aconinc.com

Series

Rev. Mar. 12, 1998

Pg. 5 of 9