供应12v转正负5v，大量12v转正负5v电源模块，质优价廉

典型性能 Typical performance

◆ 宽范围输入Wide Input voltage range (2:1)

◆ 转换效率（典型82%）Typical Efficiency 82%

◆ 开关频率Switching frequency：300KHz

◆ 长期短路保护，自动恢复Short circuit protection, Self-furbish

◆ 输入与输出高隔离Input-output isolate

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

◆ 金属/塑料外壳，输出波纹低 Metal / Plastic case, Low Output Ripple

技 术 参 数               测试条件：如无特殊指定，所有参数测试均在标称输入电压、纯阻性额定负载及25℃室温环境下测得。

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

输入特性 Input

Min(v)

Nom(v)

Max(v)

Notes

输入电压Vdc Input voltage

4.5

5

9

2:1

9

12

18

2:1

18

24

36

2:1

36

48

72

2:1

遥控端Remote ON/OFF

无遥控端 Non

输入欠压保护

Input undervoltage protection

低于低端输入电压，电源关断输出，自动恢复 Lower than the low-input voltage protection ，Self-furbish

输出特性 Output

输出电压精度Voltage accuracy

Vo1,Vo2

±1.0%, ±2.0%

源效应Line regulation

标称负载，全电压范围

Nominal Load,full voltage range

Vo1,Vo2

±0.2%, ±1.5%

负载效应Load regulation

20% ~ 100%额定负载

Vo1,Vo2

±0.5%, ±4.0%

纹波及噪声Ripple and noise

20MHz BM 满载(Full Load) Vo≤5.0V, ≤50mVp-p; Vo≥48V, ≤180mVp-p; 

Other, ≤100mVp-p

动态响应 Dynamic response

25%的标称负载阶跃

25% Nominal load step change

△Vo1/△t

±4.0/500μ s%

输出电压调节 Voltage adjust

无调节端 Non

启动延迟时间Turn-on delay time

典型值 Typical value

≤200mS

一般特性 General

转换效率Efficiency

标称电压输入，满载

Nominal input, Full load

Vo≤5.0V,80%典型Typical

Vo>5.0V，82%典型Typical

开关频率Switching frequency

300KHz 典型 Typical

最大MAX 330KHz

工作温度Operating temperature

自由空气对流 Free air

工业级 Industrial Level

-30℃ ~ +71℃

军品级 Military Level

-40℃ ~ +85℃

储存温度Storage temperature

工业级 Industrial Level

-50℃ ~ +115℃

军品级 Military Level

-55℃ ~ +120℃

最大壳温Max case temperature

工业级 Industrial Level

+100℃

军品级 Military Level

+110℃

相对湿度Relative humidity

10%~90%

外壳材料case material

金属(E1) / 塑料壳(E2) Meta / Plasticl case

隔离电压Isolation Voltage

输入与输出 Input-output 1500 Vdc ≤ 0.5mA/1min；

输入与外壳Input-case 500Vdc ≤ 0.5mA / 1min

最小无故障间隔时间(MTBF)

2X10⁵Hrs