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IAM2

2nd Generation

48Vdc Input

DC-DC Converters

–IN

PR

PC

+IN

–OUT

–S

SC

+S

+OUT

FM48

–IN

+IN

IAM48

Note: The IAM48 is shown in the on state.

To disable, open the connection to pin 3.

– IN

NC

NC

+IN

– OUT

GND

+ OUT

– OUT

NC

Off/On

+OUT

– IN

NC

+ IN

Typical Transient, Surge Protection and Filtering Solution

Tek Run: 10.0MS/s

@ 200.0V

Ch1=Input

Ch2=Output

48V offset

2

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Ch1

25.0V

Ch2

25.0V

M5.00

µs Ch4

8.2A

INPUT TRANSIENT

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OUTPUT VOLTAGE

Ch1=Vdc in

Ch2=Vdc out

Ch3=Idc in

@0.2A/mV

2

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[ T

]

Ch1 Zoom:

1.0X Vert 0.005X Horz

Ch1

10.0 V

Ch2

10.0 V

M2.00ms

Ch1

31.8 V

Ch4

10.0mV

Ω

INPUT VOLTAGE

OUTPUT VOLTAGE

INPUT CURRENT

4

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Transient Immunity

Inrush Limiting

Typical Inrush Limiting and Transient Immunity Characteristics

on the IAM4820C12.

Figure 2— Output response to a transient on the

48V input of a FM48-FiltMod/IAM48 combination.

Figure 3