Application Note
- BD00EA5 Series Dropout Voltage
BD00EA5Wxxx系列是低消耗電流線性穩壓器。該IC具有45V耐壓,500mA輸出電流,17μA消耗電流(典型值)。輸出電壓精度BD00EA5WFP和BD00EA5WFP為±1%,BD00EA5WFP2為±1.5%(不包括回饋電阻精度)。透過在ADJ引腳上增加一個電阻,可以將輸出電壓設置為1.2V至16V。有一個輸出關閉功能,當EN引腳施加High電壓時,IC輸出開啟,施加LOW電壓時輸出關閉。該IC具有過流保護功能,可防止因輸出短路等導致的IC損壞,以及過熱保護電路,可防止IC因超載等原因造成熱損壞等。輸出相位補償電容可使用低ESR陶瓷電容器。
Grade
Standard
Breakdown Voltage(Max.)[V]
45.0
ch
1
Vin(Min.)[V]
3.0
Vin(Max.)[V]
42.0
Vout Precision
±2.0%
Iout(Max.)[A]
0.5
Circuit Current[mA]
0.017
Shutdown Function
Yes
Thermal Shut-down
Yes
Over Current Protection
Yes
Over Voltage Protection
No
Under Voltage Lock Out
No
Discharge Function
Yes
Soft Start
No
I/O Voltage Difference (Typ.)[V]
0.45(Io=500mA)
Ripple Rejection [dB]
70.0
Load Regulation[mV]
0.02%(Io=0.5mA to 400mA)
Input Capacitor[µF]
0.1
Output Capacitor[µF]
1.47
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
105