Datasheet > DFEC40-48S12W

DFEC40-48S12W

更新时间： 2022-02-26 09:08:54

品牌	Logo	应用领域
博大科技 - P-DUKE		DC-DC转换器
页数	文件大小	规格书
3页	325K
描述
DC-DC CONVERTER

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数据手册

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DFEC40-48S12W 数据手册

INPUT SPECIFICATIONS

Parameter

Operating input voltage range

Conditions

Min.

9.5

Typ.

Max.

Unit

24Vin(nom)

VDC

48Vin(nom)

24Vin(nom)

48Vin(nom)

Input fuse (slow blow)

In-rush current

Input reflected ripple current

Start up voltage

Nominal input and Full load

mAp-p

24Vin(nom)

48Vin(nom)

24Vin(nom)

48Vin(nom)

Power up

9.5

VDC

Shutdown voltage

Start up time

Nominal input and

Constant resistive load

100ms, max.

100

Remote ON/OFF

24Vin(nom)

48Vin(nom)

Positive logic

(Standard)

Input surge voltage

Remote ON/OFF

100

VDC

Referred to –Vin pin

DC-DC ON

DC-DC OFF

DC-DC ON

DC-DC OFF

Open or 3 ~ 12VDC

Short or 0 ~ 1.2VDC

Negative logic

(Option)

Short or 0 ~ 1.2VDC

Open or 3 ~ 12VDC

0.5

Input current of Ctrl pin

24Vin(nom)

48Vin(nom)

-0.5

Remote off input current

OUTPUT SPECIFICATIONS

Parameter

Voltage accuracy

Conditions

Min.

-1.5

-1.0

Typ.

Max.

+1.5

+1.0

Unit

3.3Vout

Others

Line regulation

Load regulation

Low Line to High Line at Full Load

No Load to Full Load

-0.5

-2.0

-1.0

-5.0

-3

+0.5

+2.0

+1.0

+5.0

+17

3.3Vout

Others

Dual

Cross regulation

Asymmetrical load 25%/100% FL

Single output

Voltage adjustability

28Vout

Others

-10

+10

Ripple and noise

Measured by 20MHz bandwidth

Single

Dual

3.3Vout, 5Vout,

12Vout, 15Vout

24Vout, 28Vout

All

mVp-p

100

Temperature coefficient

-0.02

+0.02

Transient response recovery time

Over voltage protection

25% load step change

Zener diode clamp

250

3.9

6.2

µs

3.3Vout

5Vout

12Vout

15Vout

24Vout

28Vout

VDC

Output indicator

Green LED

150

Over load protection

Short circuit protection

% of Iout rated; Hiccup mode

Continuous, automatics recovery

GENERAL SPECIFICATIONS

Parameter

Isolation voltage

Conditions

Min.

1600

Typ.

Max.

Unit

1 minute

500VDC

Input to Output

Input (Output) to Chassis

VDC

Isolation resistance

Isolation capacitance

Switching frequency

Safety meets

GΩ

4500

330

270

300

kHz

UL60950-1

EN60950-1

IEC60950-1

Aluminum

Chassis material

Weight

182g (6.40oz)

7.632 x 10⁵hrs

MTBF

MIL-HDBK-217F, Full load

www.PDUKE.com

2014/4/30

123

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