Encapsulated DC-DC Converter

SK40 SERIES

40 Watts

http://www.archcorp.com.tw

TEL: +886-2-26989508

FAX: +886-2-26981319

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PRELIMINARY

ELECTRICAL SPECIFICATIONS

Model No.

SK40-48-1.8S

SK40-48-2.5S

SK40-48-3.3S

SK40-48-5S

SK40-48-12S

SK40-48-15S

SK40-48-24S

Max. output wattage (W)

40W

40W

40W

40W

40W

40W

40W

Input voltage (V.DC.)

48V (36-75V)

48V (36-75V)

48V (36-75V)

48V (36-75V)

48V (36-75V)

48V (36-75V)

48V (36-75V)

Output voltage (V.DC.)

1.8V / 8000mA

2.5V / 8000mA

3.3V / 8000mA

5V / 8000mA

12V / 3333mA

15V / 2666mA

24V / 1666mA

Efficiency (%)

80%

83%

85%

87%

87%

88%

89%

Model No.

( Single Output )

SK40-48-1.8S

SK40-48-2.5S

SK40-48-3.2S

SK40-48-5S

SK40-48-12S

SK40-48-15S

SK40-48-24S

Max output wattage (W)

40W

40W

40W

40W

40W

40W

40W

Input

Input filter

π type

Voltage (V.DC.)

1.8

2.5

3.3

5

12

15

24

Voltage accuracy

±1%

±1%

±1%

±1%

±1%

±1%

±1%

Current (mA) max

8000

8000

8000

8000

3333

2666

1666

Line regulation (HL-LL) (typ.)

±0.5%

±0.5%

±0.5%

±0.5%

±0.5%

±0.5%

±0.5%

Load regulation (10-100%) (typ.)

±1%

±1%

±1%

±1%

±1%

±1%

±1%

Ripple

<0.2% Vout +20mV max (Vp-p)

Noise

<0.5% Vout +50mV max (Vp-p)

Output

Switching frequency

400KHz

400KHz

400KHz

400KHz

400KHz

400KHz

400KHz

Over current protection

Works over 120% of rating and recovers automatically.

Over voltage protection

Zener diode clamp

Protection

Short circuit protection

Hiccup, auto-recovery

Voltage

1600 VDC.

Resistance

10

Isolation

Capacitance

1000 pF

Operating temperature

-25°C…+71°C

Storage temperature

-55°C…+105°C

Case temperature

+95°C max.

Temperature coefficient

±0.02% Per°C

Humidity

95% RH

Environment

MTBF

>550,000 h @ 25°C (MIL-HDBK-217F)

Dimension (L x W x H)

2 x 1.6 x 0.42 Inches (50.0 x 40.0x 10.67 mm)

Case Material

Nickel-Coated Copper with Non-Conductive base, six-side shielded.

Weight

50 g

Physical

Cooling method

Free-air convection

All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.

KEY FEATURES

Power Modules for PCB Mounting

Six-sided Continuous Shield

High Efficiency

Standard Package

2-Year Product Warranty