SX50U
50 W att, 120 VAC Input
Fully Enclosed Switching Power Supply
ELECTRICAL SPECIFICATIONS
All specifications are typical at nominal input, full load
INPUT SPECIFICATIONS
Input Voltage.................................................. 85-132 VAC
Input Frequency............................................. 50/60 Hz (47-63Hz)
Input Current.................................................. 1.1 A (typ)
Inrush Current............................................... 28 A (typ)
OUTPUT SPECIFICATIONS
Output Voltage............................................... See chart
Output Adjustment........................................ ± 10%
Efficiency........................................................ 72-80%
Over-Voltage Protection................................. Zener Limiter
Over-Current Protection................................. Over 105%
(Automatic Recovery)
Ripple and Noise............................................100-200 mVp-p
Hold-Up Time................................................. 20 mS (typ)
Line/Load Regulation..................................... See Chart
Rise Time....................................................... 100 mS max.
(at 25˚C nominal output / input)
FEATURES
OVERVOLTAGE PROTECTION
OVERCURRENT PROTECTION
COMPACT SIZE / HIGH RELIABILITY
CONVECTION COOLED
ON/OFF LED LIGHT
ADJUSTABLE OUTPUTS
3 YEAR CONTINUOUS USE WARRANTY
Leakage Current............................................ 0.5 mA max.
GENERAL SPECIFICATIONS
MTBF.............................................................. >242,000 Hours
Isolation Voltage
Primary to Secondary..................... AC 2000V
Primary to Case.............................. AC 2000V
Secondary to Case......................... AC 500V
Isolation Resistance...................................... Input - Output
Case 100 M-Ohm min
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature .............................. 0˚C ~ +60˚C
Derates linearly 2.5%/˚C after 50˚C
Cooling.............................................Convection
Temperature Coefficient.................. 0.02% / ˚C
Humidity.......................................... 20 - 85% RH
(not-condensing)
Storage Temperature...................... -20˚C ~ +85˚C
Shock/Vibration.............................. 20G (3 Directions)
SAFETIES / EMI
FCC-B
CISPR-B
VCCI-2
PHYSICAL SPECIFICATIONS
Metal Enclosed - Terminal block
48
Series
MODEL
SX50U-05S
SX50U-12S
SX50U-15S
SX50U-24S
OUTPUT VOLTAGE OUTPUT CURRENT EFFICIENCY (TYP) LINE REGULATION LOAD REGULATION
5 VDC
12 VDC
15 VDC
24 VDC
9.5 A
4.2 A
3.4 A
2.2 A
72%
78%
78%
80%
25 mV
40 mV
40 mV
60 mV
60 mV
120 mV
120 mV
160 mV
RIPPLE NOISE
100 mVp-p
150 mVp-p
150 mVp-p
200 mVp-p
SX50U
NOTE:
All specifications typical and nominal / full load and 25˚C unless otherwise noted.
Mounting screw lenght should not exceed 0.24 inches or 6 mm.
Avoid sustained operation in overload or dead short conditions.
Specifications subject to changes without notice.
• No. 6-32 mounting holes standard
• Dimensions in mm
• Terminal block or “pin”
type connector available
49
Automotive Electronics
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