absolute maximum ratings over operating free air* temperature range
Input voltage VIN NMA03 types . . . . . . . . . . . . . . . . . . . . . . . . . . 5V
Input voltage VIN NMA24 types . . . . . . . . . . . . . . . . . . . . . . . . . 28V
Input voltage VIN NMA48 types . . . . . . . . . . . . . . . . . . . . . . . . . 54V
Output power total . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1W
Short-circuit duration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1s
Isolation voltage (flash tested for 1 second) . . . . . . . . . . . . . . . . . 1000VDC
Operating free air temperature range . . . . . . . . . . . . . . . . . . . 0°C to 70°C1
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . --55°C to 150°C
Lead temperature 1.5mm from case for 10 seconds . . . . . . . . . . . . . . . 300°C
electrical specifications
(measured at TA=25°C, at nominal input voltage)
Input voltage range NMA03 types . . . . . . . . . . . . . . . . . . . . . 3.3V 10%
Input voltage range NMA24 types . . . . . . . . . . . . . . . . . . . . . 24V 10%
Input voltage range NMA48 types . . . . . . . . . . . . . . . . . . . . . 48V 10%
Load voltage regulation (10% to 100% full load)
5V output types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15% max.
9V, 12V and 15V output types . . . . . . . . . . . . . . . . . . . . . . 10% max.
Line voltage regulation (10% to 100% full load) . . . . . . . . . . . . . 1.2%/1% of VIN
Output voltage accuracy . . . . . . . . . . . . . . . . . See tolerance envelope graph
Input reflected ripple (20 MHz Band limited)
NMA03 and 48 types . . . . . . . . . . . . . . . . . . . . . . . 100mV p-p max.
NMA24 type . . . . . . . . . . . . . . . . . . . . . . 80mV p-p max.
Output ripple (20 MHz Band limited)
NMA03 and 48 types . . . . . . . . . . . . . . . . . . . . . . . 150mV p-p max.
NMA05, 12 and 24 types . . . . . . . . . . . . . . . . . . . . . . 75mV p-p max.
Insulation resistance at 500VDC . . . . . . . . . . . . . . . . . . . . 1000M min.
Efficiency at full load, 5V output types . . . . . . . . . . . . . . . 70% typical 65% min.
Efficiency at full load, 9V, 12V and 15V output types . . . . . . . . 80% typical 70% min.
* Free air -- requires a minimum of 10mm air space around the component. 1 See derating curve.
NMA SERIES
Isolated 1W Dual output
2-16