Datasheet > LCD20W_14

LCD20W_14

更新时间： 2022-02-26 09:28:09

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
4页	497K
描述
DC-DC CONVERTER

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数据手册

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LCD20W_14 数据手册

LCD20W

INPUT SPECIFICATIONS

Parameter

Operating input voltage range

Conditions

Min.

Typ.

Max.

Unit

VDC

24Vin(nom)

48Vin(nom)

Input reflected ripple current

Start-up voltage

Nominal input and Full load

mAp-p

VDC

24Vin(nom)

48Vin(nom)

24Vin(nom)

48Vin(nom)

Power up

Shutdown voltage

Start up time

VDC

Constant resistive load

1 second, max.

Remote ON/OFF

24Vin(nom)

48Vin(nom)

Input surge voltage

100

VDC

Input filter

Pi type

Remote ON/OFF

Referred to –Vin pin

Positive logic

(Option)

DC-DC ON

DC-DC OFF

DC-DC ON

DC-DC OFF

Open or 3 ~ 15VDC

Short or 0 ~ 1.2VDC

Open or 3 ~ 15VDC

1.0

Negative logic

(Standard)

Input current of Ctrl pin

Remote off input current

-0.5

2.0

OUTPUT SPECIFICATIONS

Parameter

Voltage accuracy

Line regulation

Conditions

Min.

-1.0

Typ.

Max.

+1.0

Unit

Low Line to High Line at Full Load

No Load to Full Load

Single

Dual

-0.2

-0.5

+0.2

+0.5

Load regulation

Single

Dual

-0.2

-1.0

-0.1

-0.8

+0.2

+1.0

+0.1

+0.8

10% Load to 90% Load

Single

Dual

Cross regulation

Voltage adjustability ⁽²⁾

Asymmetrical load 25%/100% FL

Single output

Dual

-5.0

-10

+5.0

+10

Ripple and noise

Measured by 20MHz bandwidth

With a 1µF M/C X7R and a 10µF T/C

3.3Vout, 5Vout

12Vout, 15Vout

100

mVp-p

Temperature coefficient

-0.02

+0.02

Transient response recovery time

Over voltage protection

25% load step change

250

µs

3.3Vout

5Vout

3.7

5.6

5.4

7.0

VDC

12Vout

15Vout

13.5

16.8

19.6

20.5

Over load protection

% of Iout rated; Hiccup mode

150

Short circuit protection

Continuous, automatics recovery

GENERAL SPECIFICATIONS

Parameter

Conditions

Min.

1600

1000

Typ.

Max.

Unit

Isolation voltage

1 minute

Input to Output

Input(Output) to Case

VDC

Isolation resistance

Isolation capacitance

Switching frequency

500VDC

GΩ

1500

303

363

3.3Vout, 5Vout

Others

248

297

275

330

kHz

Safety approvals

UL60950-1

EN60950-1

IEC60950-1

Case material

Base material

Potting material

Weight

Nickel-coated copper

FR4 PCB

Silicone (UL94 V-0)

15g (0.53oz)

1.469 x 10⁶hrs

MTBF

MIL-HDBK-217F, Full load

www.PDUKE.com

2014/4/30

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