DPA426开发的低成本的400kHz flyback拓扑结构的电源,电源支持36~75VDC输入,输出电压12VDC,最大电流5A,整体效率优于83% 频率选择将脚5与脚4短接,工作频率为400kHz,可编程电流限制将一电阻RIL接于脚3与脚4之间,就可实现对内部功率MOSFET漏极电流的限制,防止因输出过流或短路引起的损坏。 正常的欠压 过压设计计算...
• Supports forward or flyback topology • Cycle skipping: regulation to zero load without pre-load • Hysteretic thermal shutdown for automatic fault recovery • RoHS compliant P and G package options EcoSmart™– Energy Efficient
• Supports forward or flyback topology • Cycle skipping: regulation to zero load without pre-load • Hysteretic thermal shutdown for automatic fault recovery • RoHS compliant P and G package options EcoSmart™– Energy Efficient
36-75 VDC INPUT RANGE (FLYBACK)2 DPA426 • Cycle skipping at light load for high standby efficiency Total Device3 Max 1.5 W Power Output1 Applications Dissipation PRODUCT4 DPA423 0.5 W 0.75 W 1 W • Telco central office equipment: xDSL, ISDN, PABX, etc. • Dist...
OUTPUT POWER TABLE 16-32 VDC RANGE (FLYBACK)2 Total Device Dissipation 0.5 W 0.75 W 1 W 1.5 W PRODUCT3 Max Power Output1 DPA423 5 W - -- 6W DPA424 6.5 W 8.5 W 10 W - 11 W DPA425 7 W 10 W 12 W 15 W 22 W Table 5. Flyback Output Power Table for 16-32 VDC Input ...
• Supports forward or flyback topology • Cycle skipping: regulation to zero load without pre-load • Hysteretic thermal shutdown for automatic fault recovery • RoHS compliant P and G package options EcoSmart™– Energy Efficient
• Supports forward or flyback topology • Cycle skipping: regulation to zero load without pre-load • Hysteretic thermal shutdown for automatic fault recovery • RoHS compliant P and G package options EcoSmart™– Energy Efficient
•ꢀSupports forward or flyback topology •ꢀCycle skipping: regulation to zero load without pre-load •ꢀHysteretic thermal shutdown for automatic fault recovery •ꢀRoHS compliant P and G package options Output Power Table
• Supports forward or flyback topology • Cycle skipping: regulation to zero load without pre-load • Hysteretic thermal shutdown for automatic fault recovery • RoHS compliant P and G package options EcoSmart™– Energy Efficient
• Supports forward or flyback topology • Cycle skipping: regulation to zero load without pre-load • Hysteretic thermal shutdown for automatic fault recovery • RoHS compliant P and G package options EcoSmart™– Energy Efficient