快速關(guān)斷智能整流器，無需輔助繞組

MP6908L 是一款低壓降二極管控制 IC。驅(qū)動(dòng)外部開關(guān)管時(shí)，MP6908L 可取代高效率反激變換器中的肖特基二極管。MP6908L 可將外部同步整流器（SR）MOSFET 的導(dǎo)通壓降調(diào)節(jié)至大約 40mV，一旦電壓變?yōu)樨?fù)，則開關(guān)關(guān)斷。\n\n MP6908L 可以為具有低輸出電壓的電池充電應(yīng)用或在短路輸出狀態(tài)下以及高側(cè) SR 配置生成自身的電源電壓?？膳渲谜疋彊z測電路可防止 MP6908L 在斷續(xù)導(dǎo)通模式（DCM）或準(zhǔn)諧振工作期間在 VDS 振蕩后發(fā)生誤關(guān)斷。\n\n MP6908L 采用節(jié)省空間的 TSOT23-6 封裝。 ? 寬輸出電壓范圍低至 0V，無短路電流經(jīng)過體二極管\n? 副邊高端或低端整流無需輔助繞組\n? 振鈴檢測可防止 DCM 和準(zhǔn)諧振工作時(shí)誤導(dǎo)通\n? 可驅(qū)動(dòng)標(biāo)準(zhǔn)和邏輯電平 SR MOSFET\n? 符合能效之星要求\n? 30ns 快速關(guān)斷和接通延遲\n? 100μA 靜態(tài)電流\n? 支持 DCM、CCM 和準(zhǔn)諧振工作模式\n? 支持副邊高端和低端整流\n? 采用 TSOT23-6 封裝;

MPS

美國芯源

High Power LED Driver

DESCRIPTION PT6908 is a constant-current LED driver IC utilized constant frequency, controls buck, boost or buck-boost switch converter. In each control mode, PT6908 adopts the inductance current continuous conduction, peak current control mode and the feedback of the output current. It’s control

文件：515.409 Kbytes 頁數(shù)：4 Pages

PTC

普誠科技

High Power LED Driver

DESCRIPTION PT6908 is a constant-current LED driver IC utilized constant frequency, controls buck, boost or buck-boost switch converter. In each control mode, PT6908 adopts the inductance current continuous conduction, peak current control mode and the feedback of the output current. It’s control

文件：515.409 Kbytes 頁數(shù)：4 Pages

PTC

普誠科技

High Power LED Driver

DESCRIPTION PT6908 is a constant-current LED driver IC utilized constant frequency, controls buck, boost or buck-boost switch converter. In each control mode, PT6908 adopts the inductance current continuous conduction, peak current control mode and the feedback of the output current. It’s control

文件：515.409 Kbytes 頁數(shù)：4 Pages

PTC

普誠科技