VER :
A_5
update :
98.04.09
Encapsulated DC-DC Converter
SK40 SERIES
KEY FEATURES
Power Module for PCB Mountable
High Efficiency Up To 87%
2:1 Input Rang
Six-sided Continuous Shield
Standard Package
Screw Terminal For Optional
2 Years Product Warranty
30 Watts
ELECTRICAL SPECIFICATIONS
Model No.
Max. Output Wattage (W)
Input Voltage (V.DC.)
Output Voltage (V.DC.)
Efficiency (%)
SK40-48-1.8S
14.4W
48V (36-75V)
1.8V / 8000mA
78%
SK40-48-2.5S
20W
48V (36-75V)
2.5V / 8000mA
82%
SK40-48-3.3S
26.4W
48V (36-75V)
3.3V / 8000mA
84%
SK40-48-5S
40W
48V (36-75V)
5V / 8000mA
86%
SK40-48-12S
40W
48V (36-75V)
12V / 3333mA
83%
SK40-48-15S
40W
48V (36-75V)
15V / 2666mA
83%
SK40-48-24S
40W
48V (36-75V)
24V / 1666mA
84%
Model No.
( Single Output )
Max output wattage (W)
Input
Input Filter
Voltage (V.DC.)
Voltage Accuracy
Current (mA) max
Line Regulation (LL-HL) (typ.)
Load Regulation (10-100%) (typ.)
Output
Ripple (Vp-p)
Noise (Vp-p)
Trim
Switching Frequency
Over Power Protection
Protection
Over Voltage Protection
Short Circuit Protection
Voltage
Isolation
Resistance
Capacitance
Operating Temperature
Storage Temperature
Case Temperature
Environment
Temperature Coefficient
Humidity
MTBF
Dimension (L x W x H)
Case Material
Physical
Weight
Cooling Method
SK40-48-1.8S
14.4W
SK40-48-2.5S
20W
SK40-48-3.3S
26.4W
SK40-48-5S
40W
SK40-48-12S
40W
12
3333
SK40-48-15S
40W
15
2666
SK40-48-24S
40W
24
1666
π
type
1.8
2.5
3.3
5
±2%
8000
8000
8000
8000
±0.5%
±1%
50 mV max.
±1%
max.
100 mV max.
±1%
max.
±10%
400KHz
Works over 120% of rating and recovers automatically.
Zener diode clamp
Hiccup mode, auto-recovery
1600 VDC.
10
8
ohms
1000 pF
-25°C…+70°C (with derating) (40°C full load with 18 CFM Air Flow)
-55°C…+105°C
+100°C max.
±0.02%
Per°C
95% RH
>550,000 h @ 25°C (MIL-HDBK-217F)
2.0 x 1.6 x 0.47 Inches ( 50.8 x 40.6 x 11.9 mm ) Tolerance
±0.5
mm
Nickel-Coated Copper with Non-Conductive Base, Six-side shielded.
58 g
Free-air convection
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
OUTPUT NOISE
The output noise is measured with 10μF tantalum capacitor and 1μF ceramic capacitor across output.
http://www.archcorp.com.tw
TEL: +886-2-26989508 FAX: +886-2-26981319
-1-
VER :
A_5
update :
98.04.09
Encapsulated DC-DC Converter
SK40 SERIES
MECHANICAL DIMENSION
( Top View )
PIN#
1
2
3
4
5
6
7
Single
CTRL
-DC IN
+DC IN
TRIM
-DC OUT
+DC OUT
NO PIN
30 Watts
DERATING
REMOTE ON/OFF CONTROL
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: +886-2-26989508 FAX: +886-2-26981319
-2-
VER :
A_5
update :
98.04.09
Encapsulated DC-DC Converter
SK40 SERIES
SCREW TERMINAL
SK40-A2
30 Watts
PIN#
1
2
3
4.
5
6
7
8
Single
CTRL
-DC IN
+DC IN
TRIM
-DC OUT
NO CONNECT
+DC OUT
NO CONNECT
SK40-A5
PIN#
1
2
3
4.
5
6
7
8
Single
CTRL
-DC IN
+DC IN
TRIM
-DC OUT
NO CONNECT
+DC OUT
NO CONNECT
http://www.archcorp.com.tw
TEL: +886-2-26989508 FAX: +886-2-26981319
-3-
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