典型性能 Typical performance

◆ 寬范圍輸入Wide Input voltage range (2:1)

◆ 轉換效率（典型92%）Typical Efficiency 92%

◆ 開關頻率Switching frequency：300KHz

◆      過流,短路保護,自動恢復

Over current/Short circuit protection, Self-furbish

◆ 輸入與輸出高隔離Input-output isolate (1500Vdc)

◆ PCB板上直插式安裝Board in-line type installs

◆鋁基板Aluminum baseplate,輸出波紋低 Low Output Ripple

◆ 高功率密度 High power density

技術參數                    測試條件：如無特殊指定，所有參數測試均在標稱輸入電壓、純阻性額定負載及25℃室溫環(huán)境下測得。

Technology parameter   Test condition: General Nominal Line, Tc=25 ℃，Rated resistant load unless other wise specified.

輸入特性 Input

Min(v)

Nom(v)

Max(v)

Notes

輸入電壓Vdc Input voltage

36

48

72

2:1

遙控端(低電平遙控)

Remote ON/OFF(Low level remote)

ON

低電平或接地工作 Low level or connect ground-Turn on

(1-5mA)

OFF

高電平或懸空關斷 High level or vacant-Turn off

(0mA)

輸入欠壓保護

Input undervoltage protection

低于低端輸入電壓，電源關斷輸出，自動恢復 Lower than the low-input voltage protection ，Self-furbish

輸出特性 Output

輸出電壓精度Voltage accuracy

Vo1

±1.0%

源效應Line regulation

標稱負載，全電壓范圍

Nominal Load, full voltage range

Vo1

±0.2%

負載效應Load regulation

20% ~ 100%額定負載

Vo1

±0.5%

紋波及噪聲Ripple and noise

20MHz BM≤200mVp-p 滿載(Full Load)

動態(tài)響應 Dynamic response

25%的標稱負載階躍

25% Nominal load step change

△Vo1/△t

±3.0/200μ s%

輸出電壓調節(jié) Voltage adjust

標稱輸出電壓 Nominal output

TRIM

-40% ~ ±20% 可調 Adjustable

啟動延遲時間Trun-on delay time

典型值 Typical value

≤200mS

一般特性 General

轉換效率Efficiency

標稱電壓輸入，滿載

Nominal input, Full load

92%典型Typical

開關頻率Switching frequency

300KHz 典型 Typical

最大MAX 330KHz

工作基板溫度 Board temperature

自由空氣對流 Free air

-40℃ ~ +100℃

儲存溫度Storage temperature

-50℃ ~ +125℃

相對濕度Relative humidity

10%~90%

外殼材料case material

鋁基板 Aluminum baseplate

隔離電壓Isolation Voltage

輸入與輸出 Input-output 1500 Vdc ≤ 0.5mA/1min；輸入與外殼Input-case 500Vdc ≤ 0.5mA / 1min

最小無故障間隔時間(MTBF)

3X10⁵Hrs

典型產品列表 Typical product tabulates

型號

TYPE

輸入電壓范圍

Input voltage range

輸出電壓/電流（Output voltage / current）

VO1

VO2

VO3

V

mA

V

mA

V

mA

WD350-□S28R1

48V（36~72V）

28V

12500mA

WD500-□S28R1

28V

17800mA

WD600-□S28R1

28V

21400mA

WD700-□S28R1

28V

25000mA

注：□ 代表輸入電壓標稱值，因篇幅有限，以上只是部分產品列表，若需列表以外產品，請與本公司銷售部聯系。

□ Shows the nominal value of input voltage, due to space limitations ,the above list is only for some products, If other than a list of products, please contact the Company’s sales department.

封裝尺寸圖 Mechanical Data

典型應用 Typical Application

封裝尺寸 Mechanical Data

封裝代號

L x W x H

R1

116.84 × 61.00 × 12.70mm

4.60 × 2.40 × 0.50inch

*注意：電源模塊的各管腳定義如與選型手冊不符，應以實物標簽上的標注為準。

*Note：The power modules such as the definition of the pin does not match with the hand book, please refer to the actual item.