ARCH SK40-48-1.8S, SK40-48-12S, SK40-48-15S, SK40-48-2.5S, SK40-48-24S Datasheet

Encapsulated DC-DC Converter

SK40 SERIES 40 Watts

KEY FEATURES

 Power Modules for PCB Mounting
 Six-sided Continuous Shield
 High Efficiency
 Standard Package
 2-Year Product Warranty

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)

Input Input filter

Output

Protection

Isolation

Environment

Physical

Voltage (V.DC.) 1.8 2.5 3.3 5 12 15 24
Voltage accuracy
Current (mA) max 8000 8000 8000 8000 3333 2666 1666
Line regulation (HL-LL) (typ.)
Load regulation (10-100%) (typ.)
Ripple <0.2% Vout +20mV max (Vp-p)
Noise <0.5% Vout +50mV max (Vp-p)
Switching frequency
Over current protection Works over 120% of rating and recovers automatically.
Over voltage protection Zener diode clamp
Short circuit protection Hiccup, auto-recovery
Voltage 1600 VDC.
Resistance
Capacitance 1000 pF
Operating temperature -25°C…+71°C
Storage temperature -55°C…+105°C
Case temperature +95°C max.
Temperature coefficient
Humidity 95% RH
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
Cooling method Free-air convection

40W 40W 40W 40W 40W 40W 40W

π type

±1% ±1% ±1% ±1% ±1% ±1% ±1%

±0.5% ±0.5% ±0.5% ±0.5% ±0.5% ±0.5% ±0.5%
±1% ±1% ±1% ±1% ±1% ±1% ±1%

400KHz 400KHz 400KHz 400KHz 400KHz 400KHz 400KHz

9

10

ohms

±0.02% Per°C

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

http://www.archcorp.com.tw

TEL: [phone] FAX: [phone] -1-

Encapsulated DC-DC Converter

SK40 SERIES 40 Watts

MECHANICAL DIMENSION (Top View)

DERATING

PIN# Single

1 ON / OFF
2 -VIN
3 +VIN
4 NC
5 +VOUT
6 -VOUT
7 TRIM

BLOCK DIAGRAM

Output Voltage (V.DC) : 1.8V, 2.5V, 3.3V, 5V Output Voltage (V.DC) : 12V, 15V, 24V

http://www.archcorp.com.tw

TEL: [phone] FAX: [phone] -2-