SMPS Solution / SMPS specifications

De-Rating <		> Selection of the main device

Offline Switch Mode AC-DC Power Supplies (entry example)

Input specification

AC Rated input voltage（AC100V～240V）
※Tests to obtain safety standards are performed at the rated voltage.
AC input voltage range（AC85V～276V）
Rated input frequency (50/60Hz)

Output specification

※Typ current is required for estimated product life calculation.
Rated output voltage (12V)
Rated output current (1.0A)
Rated output power (12W)
Output voltage range (12V ±5%)
Output current range (min 0.01A / typ 1.0A / max 1.5A)
Peak output power (max 18W)

Efficiency

※Target value
Efficiency (typ 85% input AC100V output 12V 1.0A)

Output noise

Output ripple noise (200mVp-p max)
Output spike noise (400mVp-p max)

EMC noise [Electro Magnetic Compatibility]

※Ask the person in charge of applying for safety standards.
Emission noise [Electro Magnetic Interference]
・Conducted emission (CISPR 11/EN 55011 class B)
・Radiated emission (FCC Part15 Subpart B class B)
・Harmonic current emissions (IEC 61000-3-2 class A)
Immunity noise [Electro Magnetic Susceptibility] (IEC61000-4)
・Electrostatic discharge (IEC61000-4-2 Level 1)
・Radiated, radio-frequency,electromagnetic field (IEC61000-4-3 Level 1)
・Fast Transient Burst (IEC61000-4-4 Level 1)
・Surge (IEC61000-4-5 Level 1)
・Conducted disturbances, induced by radio-frequency fields (IEC61000-4-6 Level 1)
・Power frequency magnetic field (IEC61000-4-8 Level 1)
・Voltage dips, short interruptions and voltage variations (IEC61000-4-11 class1)

Protection

Output over current protection (1.6A min)
Output over voltage protection
Thermal Shutdown

Safety Approval

※Ask the person in charge of applying for safety standards
Safety standards (IEC62368-1 class II Double insulation)
Minimum creepage distances
・Basic insulation (3.0mm min)
・Reinforced or Double insulation (6.0mm min)
Leakage current (0.25mA max AC240V)

Insulation specification

※Ask the person in charge of applying for safety standards.
Withstand voltage [HI-POT Test] (3000V 10mA 1min)
Insulation resistance (100MΩ DC500V)

Operating ambient temperature

Average (40℃)
※Average ambient temperature is required for estimated product life calculation.
Range (-10℃～60℃)

Others

Standby power (50mW max)
Inrush current (100A max)
Estimated product life (10 Years)

SMPS Specifications