BM1Q021AFJ-LB
準諧振DC-DC轉換器
BM1Q021AFJ-LB
準諧振DC-DC轉換器
本產品是能夠確保長期供應工業設備市場的產品,而且是非常適用於這些應用領域的產品。準諧振控制器型DC-DC轉換器IC BM1Q0xxAFJ-LB可為有插座的產品提供理想的系統。採用準諧振工作模式,可實現軟開關,有助於降低EMI。由於其開關MOSFET和電流偵測電阻是外置的,因此可使電源設計的靈活性更高。本IC內建啟動電路,有助於降低待機功耗並提高啟動速度。在輕負載時,由於內建Burst功能且IC的靜態電流很低,因此可降低待機功耗。另外,本產品還內建軟啟動功能、Burst功能、以及逐週期過電流保護、過電壓保護、過負載保護、CS開路保護等多種保護功能,因此安全性非常優異。
Product Detail
規格:
FET
External
Controller Type
QR
Vin1(Min.)[V]
8.9
Vin1(Max.)[V]
26
Start Circuit
Integrated
SW frequency(Max.)[kHz]
120
Vcc OVP
Auto Restart
BR PIN
No
Channel
1
Light Load mode
Yes
EN
No
Soft Start
Yes
Thermal Shut-down
Yes
Under Voltage Lock Out
Yes
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
105
Package Size [mm]
4.9x6.0 (t=1.65)
功能:
- Long Time Support Product for Industrial Applications
- Quasi-resonant System
- Built-in 650V Tolerate Starter Circuit
- Burst Operation at Light Load / Frequency Reduction Function
- Maximum Frequency 120kHz
- AC Input Voltage Correction Circuit
- VCC Pin Under Voltage Protection
- VCC Pin Over Voltage Protection
- Over Current Protection Circuit per Cycle
- Output Driver 12 V Clamp Circuit
- Soft Start Function
- ZT Pin Trigger Mask Function
- ZT Pin Over Voltage Protection
- Output Overload Protection (Auto Restart)
- CS Pin Open Protection Circuit (Auto Restart)