Model
MSD15-2412
MSD15-2415
MSD15-4812
MSD15-4815
Input
Voltage
(DC V)
24
24
48
48
Input
Voltage
range
(DC V)
18½36
36½75
Output
voltage
(DC V)
±12
±15
±12
±15
Output current (mA)
±
±
±
±
600
500
600
500
Input Specifications
24 Vin models:
48 Vin models:
Input current (full load)
24 Vin; 3.3 Vout models:
24 Vin; other output models:
48 Vin; 3.3 Vout models:
48 Vin; other output models:
Start-up voltage /under voltage shut down
24 Vin models:
48 Vin models:
Surge voltage(100 msec. max.)
24 Vin models:
48 Vin models:
Input current (no load)
50 mA typ..
30 mA typ.
570 mA typ.
730 mA typ.
280 mA typ.
360 mA typ.
17 VDC /16.5 VDC
34.0 VDC /32.5 VDC
50 V max..
100 V max.
Output Specifications
Voltage set accuracy
Regulation
±1%
– Input variation Vin min. to Vin max 0.5% max.
– Load variation 10 – 100 %
dual output models unbalanced: 2.0 % max.
dual output models unbalanced: 5.0 % max.
100 mVpk-pk max.
(with external output capacitor, see Note 1)
Ripple and noise
(20 MHz Bandwidth)
Temperature coefficient
Output current limitation
Short circuit protection
Start-up time
Max. capacitive load
± 0.02 % /K
>105% of Iout max., foldback
indefinite (automatic recovery)
30ms max.
1200μF
–
–
–
–
Operating
Derating
Case temperature
Storage
General Specifications
–25 °C ... +71°C
2.5%/K above 50°C
+100 °C max.
–40 °C ... +110 °C
Humidity (non condensing)
85 % rel H max.
Reliability, calculated MTBF (MIL-HDBK-217F ground benign)
> 190’000h @ +25°C
Isolation voltage (60sec
– Input/Output
1’500 VDC
Isolation capacity
– Input/Output
235 pF typ.
– Input/Output (500 VDC)>100 M Ohm
Isolation resistance
330 kHz typ. (Pulse width modulation PWM)
Switching frequency (fixed)
Remote On/Off
– On:
open circuit on pin RC
short circuit between pin RC and pin –Vin
– Off:
Temperature ranges
Physical Specifications
Case material
Baseplate
Potting material
Weight
Soldering temperature
Note 1
Recommended circuit to reduce conducted noise and output ripple & noise:
plastic PBT (UL94V-0 rated)
non conductive FR4
silicon (UL94V-0 rated)
12 g (0.41 oz)
max. 265 °C / 10sec.
C1: 33μF low ESR electrolytic capacitor
For dual output models use capacitors for each output
C2: 10μF low ESR electrolytic capacitor
C3: 1μ film capacitor
Outline Dimensions mm
Pin-Out
1 +Vin (Vcc)
2 –Vin (GND)
3 +Vout
4 Common
5 –Vout
6 Remote On/Off
