E48SR2R520 datasheet(10/15 Pages) DELTA

No de pièce	E48SR2R520

Description	Delphi Series E48SR, 66W Eighth Brick Family DC/DC Power Modules: 48V in, 2.5V/20A out

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Fabricant	DELTA [Delta Electronics, Inc.]

Site Internet	http://www.deltaww.com

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DS_E48SR2R520_02272007

10

Figure 19: Circuit configuration for trim-up (increase output

voltage)

If the external resistor is connected between the TRIM

and SENSE (+) the output voltage set point increases

(Fig. 27). The external resistor value required to obtain a

percentage output voltage change △% is defined as:

()

Ω

−

∆

−

∆

×

∆

+

×

=

−

K

Vo

up

Rtrim

2

.

10

511

225

.

1

)

100

(

11

.

5

Ex. When Trim-up +10%(2.5V×1.1=2.75V)

()

Ω

=

−

×

+

×

=

−

K

up

Rtrim

4

.

53

2

.

10

511

10

225

.

1

)

10

100

(

5

.

2

11

.

5

The output voltage can be increased by both the remote

sense and the trim, however the maximum increase is the

larger of either the remote sense or the trim, not the sum

of both

.

When using remote sense and trim, the output voltage of

the module is usually increased, which increases the

power output of the module with the same output current.

Care should be taken to ensure that the maximum output

power of the module remains at or below the maximum

rated power.

FEATURES DESCRIPTIONS (CON.)

Output Voltage Adjustment (TRIM)

To increase or decrease the output voltage set point,

connect an external resistor between the TRIM pin and

either the SENSE(+) or SENSE(-). The TRIM pin

should be left open if this feature is not used.

Figure 18: Circuit configuration for trim-down (decrease

output voltage)

If the external resistor is connected between the TRIM

and SENSE (-) pins, the output voltage set point

decreases (Fig. 26). The external resistor value required

to obtain a percentage of output voltage change △% is

defined as:

()

Ω

⎥⎦

⎤

⎢⎣

⎡

−

∆

=

−

K

down

Rtrim

2

.

10

511

Ex. When Trim-down -10%(2.5V×0.9=2.25V)

()

Ω

=

Ω

⎥⎦

⎤

⎢⎣

⎡

−

=

−

K

down

Rtrim

9

.

40

2

.

10

511

Numéro de pièce similaire - E48SR2R520

Fabricant	No de pièce	Fiches technique	Description
Delta Electronics, Inc.	E48SR2R520NKFA	814Kb / 15P	Delphi Series E48SR, 66W Eighth Brick Family DC/DC Power Modules: 48V in, 2.5V/20A out
	E48SR2R520NMFA	814Kb / 15P	Delphi Series E48SR, 66W Eighth Brick Family DC/DC Power Modules: 48V in, 2.5V/20A out
	E48SR2R520NNFA	814Kb / 15P	Delphi Series E48SR, 66W Eighth Brick Family DC/DC Power Modules: 48V in, 2.5V/20A out
	E48SR2R520NRFA	1Mb / 15P	Delphi Series E48SR, 66W Eighth Brick Family DC/DC Power Modules: 48V in, 15V/4A out
	E48SR2R520NRFA	898Kb / 15P	Delphi Series E48SR, 66W Eighth Brick Family DC/DC Power Modules: 48V in, 1.2V/25A out

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Description similaire - E48SR2R520

Fabricant	No de pièce	Fiches technique	Description
Delta Electronics, Inc.	E48SR2R520NRFA	814Kb / 15P	Delphi Series E48SR, 66W Eighth Brick Family DC/DC Power Modules: 48V in, 2.5V/20A out
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	E48SR1R825	1Mb / 15P	Delphi Series E48SR, 66W Eighth Brick Family DC/DC Power Modules: 48V in, 1.8V/25A out
	E48SR15004	1Mb / 15P	Delphi Series E48SR, 66W Eighth Brick Family DC/DC Power Modules: 48V in, 15V/4A out
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	E48SR05012	745Kb / 15P	Delphi Series E48SR, 66W Eighth Brick Family DC/DC Power Modules: 48V in, 5.0V/12A out
	E48SR1R225NRFA	898Kb / 15P	Delphi Series E48SR, 66W Eighth Brick Family DC/DC Power Modules: 48V in, 1.2V/25A out
	E48SR05012NRFA	798Kb / 15P	Delphi Series E48SR, 66W Eighth Brick Family DC/DC Power Modules: 48V in, 5.0V/12A out

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