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FDD25 SERIES

SINGLE & DUAL OUTPUT

Characteristics

Conditions

min.

typ.

max.

unit

Switching frequency

Isolation voltage

Isolation resistance

Ambient temperature

Case temperature

Vi nom, Io nom

Input / Output

Input / Output, @ 500VDC

Operating at Vi nom, Io nom

Operating at Vi nom, Io nom

KHz

1,500

VDC

M

100

-25

Characteristics

Conditions

min.

unit

Output voltage accuracy

Vi nom, Io nom

typ.

max.

2

%

Storage temperature

Non operational

-40

+ 71

+ 100

+ 100

180

2

%

Derating

o

% / C

Vi nom

48

Characteristics

Conditions

min.

typ.

max.

unit

Input voltage range

9

18

24

18

36

VDC

VDC

Ta min ... Ta max, Io nom

48

No load input current

24V models

48V models

20

15

mA

mA

Vi = nom

Io = 0

12V models

36

12

72

10

VDC

mA

Input voltage w/o damage

20

75

VDC

VDC

Io nom

24V models

48V models

12V models

40

VDC

Startup voltage

8.5

35

VDC

VDC

Io nom

24V models

48V models

12V models

15

VDC

Minimum load

Line regulation

Io nom, Vi min ...Vi max

Vi nom

0

10

%

%

%

Load regulation

o

% / C

Temperature coefficient

Ripple & noise

Transient recovery time

Vi nom, Io nom

Vi nom, Io nom ... 1/2 Io nom

500

2

5

0.02

%

%

S

1

%

See derating curve

Input filter

Pi type

INPUT SPECIFICATIONS

single output models

dual output models (each output)

o

All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed

SPECIFICATION

Vi nom, Io 0 ...Io nom, single output models

Vi nom, Io min ...Io nom, dual output models

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Voltage trim range

Vi nom,

Io nom

%

Efficiency

Vi nom, Io nom, Po / Pi

Up to 89%, See model list

3.3V output models

5V, 12V, 15V & dual

5

10

Vi nom, Io nom,

BW = 20MHz

mV

100

%

%

mV

12V, 15V & dual

3.3V & 5V models

150

OUTPUT SPECIFICATIONS

Dimension

L50.8 x W50.8 x H11.9

mm

Cooling

Free air convection

Case material

Metal

GENERAL

2007.08.30