BD7684FJ-LB
AC/DC用 準諧振控制器型DC/DC轉換器IC
BD7684FJ-LB
AC/DC用 準諧振控制器型DC/DC轉換器IC
本產品為適合工具機市場，並保證可長期供應的RANK產品。是最適合近來各式應用裝置使用的產品。準諧振控制器型DC/DC轉換器BD7684FJ-LB提供具有插座的所有產品最適合的系統。因準諧振動作可軟開關，協助低EMI。可外接開關MOSFET及電流檢測電阻。因此可提供高自由度的電源設計。內建Brown Out功能，監控輸入電壓，保持系統在最佳狀態。內建BURST模式，減少輕負載時的功率。BD7684FJ-LB內建緩啟動、BURST模式、各循環的過電流限制、過電壓保護、過負載保護、Brown Out等各種功能。內建閘極箝位電路使SIC-MOSFET擁有最佳驅動狀態。
Product Detail
規格:
AC Monitor Function
No
BR UVLO
Yes
Current Detection Resistors
External
Dynamic Over Current Detection
No
External LATCH Function
No
FB OLP
Auto Restart
Frequency Reduction Function
Yes
VH Terminal UVLO
No
ZT OVP
Latch
FET
External
Controller Type
QR
Vin1(Min.)[V]
15
Vin1(Max.)[V]
27.5
SW Frequency (Max.)[kHz]
120
VCC OVP
Auto Restart
BR PIN
Yes
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:
- Pin 8 : SOP-J8 Package (6.00mm × 4.90mm : 1.27mm pitch [TYP] )
- Quasi-resonant type (low EMI)
- Frequency reduction mode
- Low current consumption (19µA), during standby
- Low current consumption when no load (burst operation when light load)
- Maximum frequency (120kHz)
- CS Pin Leading-Edge Blanking
- VCC UVLO (Under Voltage Drop Out protection)
- VCC OVP (Over Voltage Protection)
- Per-cycle over-current protection circuit
- Soft start
- ZT trigger mask function
- Voltage protection function (brown out)
- ZT OVP (Over Voltage Protection)
- Gate-clamp circuit
參考設計 / 應用評估套件
-
- Evaluation Board - BD7682FJ-LB-EVK-402
Isolation Fly-back Converter Quasi-Resonant Method Output 24 W 24 V
