Isolated and Regulated 20 WATT Modular DC/DC Converters
SU20 series
KEY FEATURES
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Power Module for PCB Mountable
2:1 & 4:1 Input Range
Low Ripple and Noise
Regulated Output
Vout Trim and ON/OFF Control Function
2-Year Product Warranty
ELECTRICAL SPECIFICATIONS
Model No. ( Single Output )
Input Voltage (V.DC.)
Efficiency
SU20-12-3.3S
12V (9-18V)
76%
SU20-12-5S
12V (9-18V)
78%
SU20-12-12S
12V (9-18V)
81%
SU20-12-15S
12V (9-18V)
82%
SU20-12-24S
12V (9-18V)
83%
Model No. ( Single Output )
Input Voltage (V.DC.)
Efficiency
SU20-24-3.3S
24V (18-36V)
78%
SU20-24-5S
24V (18-36V)
81%
SU20-24-12S
24V (18-36V)
86%
SU20-24-15S
24V (18-36V)
85%
SU20-24-24S
24V (18-36V)
88%
Model No. ( Single Output )
Input Voltage (V.DC.)
Efficiency
SU20-24F-3.3S
24V (10-40V)
72%
SU20-24F-5S
24V (10-40V)
75%
SU20-24F-12S
24V (10-40V)
77%
SU20-24F-15S
24V (10-40V)
77%
Model No. ( Single Output )
Input Voltage (V.DC.)
Efficiency
SU20-48-3.3S
48V (36-75V)
76%
SU20-48-5S
48V (36-75V)
82%
SU20-48-12S
48V (36-75V)
84%
SU20-48-15S
48V (36-75V)
85%
SU20-48-24S
48V (36-75V)
87%
Model No. ( Single Output )
Input Voltage (V.DC.)
Efficiency
SU20-48F-3.3S
48V (18-75V)
74%
SU20-48F-5S
48V (18-75V)
77%
SU20-48F-12S
48V (18-75V)
79%
SU20-48F-15S
48V (18-75V)
79%
SU20-12-3.3S
SU20-12-5S
SU20-12-12S
SU20-24-12S
SU20-24F-12S
SU20-48-12S
SU20-48F-12S
20W
SU20-12-15S
SU20-24-3.3S
SU20-24F-3.3S
SU20-48-3.3S
SU20-48F-3.3S
13.2W
SU20-24-5S
SU20-24F-5S
SU20-48-5S
SU20-48F-5S
20W
SU20-24-15S
SU20-24F-15S
SU20-48-15S
SU20-48F-15S
20W
SU20-12-24S
SU20-24-24S
SU20-48-24S
Model No.
( Single Output )
20W
Max Output Wattage (W)
Input
Input Filter
� type
3.3
Voltage (V.DC.)
Voltage Accuracy
Current (mA) max
5
12
15
24
ꢀ2%
4000
ꢀ0.5%
ꢀ0.5%
4000
1670
1330
833
Line Regulation (LL-HL) (typ.)
Load Regulation (10-100%) (typ.)
Ripple
Output
<0.2% Vout +20mV max (Vp-p)
<0.5% Vout +50mV max (Vp-p)
ꢀ10%
Noise
Trim
Switching Frequency
Over Power Protection
Over Voltage Protection
Short Circuit Protection
Voltage
200KHz
Works over 120% of rating and recovers automatically.
Zener diode clamp
Hiccup, auto-recovery
1600 VDC.
108 ohms
Protection
Isolation
Resistance
Capacitance
1000 pF
Operating Temperature
Storage Temperature
Case Temperature
Temperature Coefficient
Humidity
2:1 Range: -25°C…+70°C (at Full Load)
-55°C…+105°C
+100°C max.
4:1 Range: -25°C…+70°C (with derating)
Environment
ꢀ0.02% Per°C
95% RH
MTBF
>550,000 h @ 25°C (MIL-HDBK-217F)
Dimension (L x W x H)
Case Material
Weight
2.0 x 2.0 x 0.45 Inches ( 50.8 x 50.8 x 11.4 mm ) Tolerance ꢀ0.5 mm
Nickel-Coated Copper with Non-Conductive Base, Six-side shielded.
70 g
Physical
Cooling Method
Free-air convection
CE (Pending)
EN 55022 class A
Safety
EMC
Agency Approvals
EMI (Conducted & Radiated Emission)
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
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astrodyne.com
300 Myles Standish Blvd., Taunton, MA 02780
Ph: 1-800-823-8082 Fax: 508-823-8181
WWW.ASTRODYNE.COM