ISC03 Series
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DC-DC Converter
Input
Output
Characteristic Minimum Typical Maximum Units Notes & Conditions
Output Voltage 3.3 30 VDC See Models and Ratings table
Initial Set Accuracy ±2 %
Output Voltage Balance ±1.0 ±2.0 % For dual output with balanced laods
Minimum Load 15 % See Models and Ratings table
Line Regulation ±0.5 ±1.0 %
Load Regulation ±0.5 ±1.2 % 15% to 100%
Cross Regulation ±5 % On dual output models when one load is varied between
25% and 100% and other is fixed at 100%
Transient Response 3 % deviation Recovery within 1% in less than 600 µs for a 25% load
change.
Ripple & Noise 100 mV pk-pk 20 MHz bandwidth. Measured using 0.47 µF ceramic
capacitor.
Overload Protection 110 150 % Foldback
Short Circuit Protection Continuous, with auto recovery
Maximum Capacitive Load See Models and Ratings table
Temperature Coefficient 0.02 %/ ˚C
Characteristic Minimum Typical Maximum Units Notes & Conditions
Input Voltage Range 936 VDC 24 V nominal
18 75 VDC 48 V nominal
Input Filter Pi type
Input Reflected Ripple 20 mA pk-pk Through 12 µH inductor and 47 µF capacitor
Input Surge 50 VDC for 1 s 24 V models
100 VDC for 1 s 48 V models
Undervoltage Lockout ON at >4.5 V, OFF at <8 V 24 V models
ON at >8.5 V, OFF at <16 V 48 V models
Remote On/Off ON: Logic high (2.5 - 5.5 V) or open circuit
OFF: Logic low (<0.8 V) or short pin 1 to pin 2
General
Characteristic Minimum Typical Maximum Units Notes & Conditions
Efficiency 80 % See Models and Ratings table
Isolation: Input to Output 1500/1800 VDC 60 s/1 s
Isolation Resistance 109ΩAt 500 VDC
Isolation Capacitance 350 500 pF
Switching Frequency 350 kHz
Power Density 7.5 W/in3
Mean Time Between Failure 300 kHrs MIL-HDBK-217F, +25 °C GB
Weight 0.01 (4.2) lb (g)
Moisture Sensitivity Level Level 2 IPC/JEDEC J-STD-020D.1
Environmental
Characteristic Minimum Typical Maximum Units Notes & Conditions
Operating Temperature -40 +100 °C See Derating Curve.
Storage Temperature -50 +125 °C
Case Temperature +105 °C
Humidity 95 %RH Non-condensing
Cooling Natural convection
Case Flammability UL 94V-0 Rated Non conductive black plastic
Lead-Free Reflow Solder Process IPC/JEDEC J-STD-020D.1