DIM3R3300SFA datasheet(3/13 Pages) DELTA

Part #	DIM3R3300SFA

Description	Inrush protection and hot swap capability

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Manufacturer	DELTA [Delta Electronics, Inc.]

Direct Link	http://www.deltaww.com

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DATASHEET

DS_DIM3R3_09102010

3

TECHNICAL SPECIFICATIONS

(TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted;)

PARAMETER

NOTES and CONDITIONS

DIM3R3300 (Standard)

Min.

Typ.

Max.

Units

MANAGEMENT POWER

Operating Input Voltage

Continuous

-36

-48

-75

Output Voltage Set-point

I(MGMT_PWR)=1.25A

-1.5

+1.5

%Vo

Output Voltage (total)

Over Vin, load, temperature

-3

+3

%Vo

Output Regulation

Line Regulation

Vi= Vi,min to Vi,max

0.05

0.2

%Vo

Load Regulation

Io=Io,min to Io,max

0.05

0.2

%Vo

Temperature Regulation

Ta=Ta,min to Ta,max

1

%Vo

Output Voltage Overshoot

3

%Vo

Back-Drive Current

NA

0

mA

Switching Frequency

450

KHz

MANAGEMENT POWER (3.3V)

Output Ripple and Noise

10

F Tan cap and 1F ceramic cap

RMS

5Hz to 20 MHz bandwidth

20

mV

Peak-to-peak

5Hz to 20MHz bandwidth

70

mV

Output Current

0

2.4

A

Over Current Protection

Hiccup mode

3

6.5

A

Output Short-circuit Current (RMS)

2.2

A

Hiccup Mode Restart Time

10

mS

Output Over Voltage Protection

Voltage limitation mode

5

5.4

V

Dynamic Response (20 MHz bandwidth)

load step is 50%~100%~50%, slew rate is 0.1A/

S

Peak Deviation

3

5

%Vo

Settling Time

800

S

Turn-On Delay Times

I(MGMT_PWR)=2.5A

25

mS

Turn-On Rising Times

I(MGMT_PWR)=2.5A

5

mS

External Load Capacitance

Io=Io,min to Io,max

1000

F

BLUE LED POWER 5V

Operating Input Voltage

Continuous

-36

-48

-75

Vdc

Total Output Voltage Range

4.9

5

5.1

Vdc

Output Regulation

-3

3

%Vo

Output Ripple and Noise

5

mV

Operating Output Current Range

0

0.1

A

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