Datasheet > WRB2415YD-3W

WRB2415YD-3W

更新时间： 2022-08-03 10:01:29

品牌	Logo	应用领域
MICRODC		转换器输出元件输入元件 DC-DC转换器
页数	文件大小	规格书
3页	872K
描述
3W, WIDE INPUT, ISOLATED & REGULATED SINGLE OUTPUT DC-DC CONVERTER

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WRB2415YD-3W 数据手册

WRA-YD-3W＆WRB-YD -3W Series

TEMPERATURE CHARACTERISTICS

TYPICAL CHARACTERISTICS

Parameter

Conditions

Min.

Typ.

Max.

Units

Temperature Derating Graph

Output power

See below products program

0.3

Positive voltage accuracy

Negative voltage accuracy

Load regulation

Refer to recommended circuit

10% to 100% load WRB-YD-3W

10% to 100% load WRA-YD-3W*

Refer to recommended circuit

Input voltage from low to high

20MHz Bandwidth

±1

±3

±5

±0.5

±1

Load regulation

±0.5

±0.03

±0.5

100

Temperature drift (Vout)

Line regulation

%/℃

±0.2

Ripple＆Noise**

mVp-p

KHz

Switching frequency

100% load, input voltage range

300

RECOMMENDED CIRCUIT

Dual output models unbalanced load: ±5%.

** Test ripple and noise by “parallel cable” method. See detailed operation instructions at Testing of Power Converter section,

application notes.

Output Graph

APPLICATION NOTE

Requirement on output load

In order to ensure the product operate efficiently and reliably,in addition to a

max load(namely full load), a minimum load is specified for this kind of

DC/DC converter.Make sure the specified range of input voltage is not

exceeded,the minimum output load no less than 10% load.If the actual load

is less than the specified minimum load, the output ripple may increase

sharply while its efficiency and reliability will reduce greatly.If the actual

output power is very small,please add an appropriate resistor as extra

loading,or contact our company for other lower output power products.

Recommended Circuit

All the WRA_YD-3W&WRB_YD-3W Series have been tested according to

the following recommended testing circuit before leaving factory.This series

should be tested under load(See figure 1).

If you want to further decrease the input/output ripple,you can increase

capacitance properly or choose capacitors with low ESR. However, the

capacitance of the output filter capacitor must be proper. If the capacitance

is too big, a startup problem might arise. For every channel of output,

provided the safe and reliable operation is ensured, the greatest capacitance

of its filter capacitor sees (Table 1).

General:

Cin: 5V＆12V 100μF

24V＆48V 100μF-47μF

Cout: 10μF/100mA

Output External Capacitor Table(Table 1)

Single Vout

Cout

(μF)

2200

1000

470

Dual Vout Cout

Input current

(VDC)

3.3

(VDC)

±5

(μF)

680

470

330

220

While using unstable power source,please ensure the output voltage and

ripple voltage do not exceed indexes of the converter. Input current of

power supply should afford the startup current of this kind of DC/DC module

(See figure 2).

±9

±12

±15

General:Ip≤1.4*Iin-max

330

No parallel connection or plug and play

http://www.microdc.cn Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646

page 2/3

123

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与WRB2415YD-3W相关器件

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