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NPH15S SERIES

Isolated 15W Single Output DC/DC Converters

CONTROL CHARACTERISTICS

Parameter

Conditions

MIN.

TYP.

MAX.

Units

At rated load, trim control at either output

±10

%

Remote switch input (voltage relative to

Not operating

-15

0

1.5

V

Operating, open circuit voltage

9

10

11

Start delay

Time from application of valid input voltage to output being in specifi-

cation

25

50

ms

Specified drive signal

320

440

kHz

Switching frequency

330

350

395

kHz

TEMPERATURE CHARACTERISTICS

Parameter

Conditions

MIN.

TYP.

MAX.

Units

Case temperature

Full load

-40

110

ºC

Storage

Absolute MAX. internal temperature

-40

125

Relative humidity

Non condensing 85ºC

85

%

Thermal protection

Operates at case temperature

110

ºC

THERMAL CHARACTERISTICS

UL 1950 recognition: MAX. permissable loads for a given ambient temperature for any NPH15S model.

Temperature (ºC)

Power (W)

Temperature (ºC)

Power (W)

40

15.0

70

11.7

50

15.0

80

9.8

53

15.0

85

8.8

60

13.7

90

7.8

MAX. power rating with case temperature maintained by external means (e.g. forced air cooling).

Part Number

Case Temperature

Units

100ºC

105ºC

110ºC

NPH15S2403XXX

19

16

12

W

NPH15S2405XXX

22

19

15

NPH15S2412XXX

25

22

19

NPH15S2415XXX

26

24

21

NPH15S4803XXX

20

17

13

W

NPH15S4805XXX

23

20

16

NPH15S4812XXX

28

26

23

NPH15S4815XXX

30

28

25

THERMAL PERFORMANCE

24V Input

48V Input

1. Optional - where fitted.