PDF《FD2105》

4 www.fortiortech.com 4. 动态电气参数(除非特别注明,否则 TA =25?C,VCC=VBS=12V,VS=COM) 参数 符号 测试条件 最小值 典型值 最大值 单位 输出上升沿传输时间 ton RDT=10k --

140 240 ns RDT=100k --

450 600 ns 输出下降沿传输时间 toff --

70 140 ns 死区时间 DT RDT=10k --

70 -- ns RDT=30k --

130 -- ns RDT=100k --

400 -- ns 输出上升时间 tr CL=2200pF --

30 -- ns 输出下降时间 tf CL=2200pF --

20 -- ns 高低侧延时匹配 MT RDT=10k -- --

30 ns RDT=100k -- --

50 ns 使能启动延迟时间 ten RDT=10K --

140 240 ns 使能关断延迟时间 tsd --

70 140 ns FD2105 REV_Preliminary

5 www.fortiortech.com 5. 电路框图 6. 信号真值表 VCC EN LO HO 40V) 、恢复时间尽量短的二极管. Cbs:自举电容,应选择陶瓷电容或钽电容,最小容值可按以下式子计算: 其中:Qg 为高侧功率器件的栅极电荷;

Qperiod 为每个周期中电平转换电路的电荷要求,约为 10nC;

Ibs(static)为高侧驱动电路的静态电流;

Ibs(leak)为自举电容的漏电流;

f 为电路工作频率;

VCC 为低侧供电电压;

VF 为自举二极管的正向导通压降;

Vds(L)为低侧功率器件的导通压降. 注:以上线路及参数仅供参考,实际的应用电路根据实测结果设定参数. FD2105 REV_Preliminary

10 www.fortiortech.com 14. 封装尺寸(MSOP10) SYMBOL MILLIMETER MIN NOM MAX A - - 1.10 A1 0.05 - 0.15 A2 0.75 0.85 0.95 A3 0.30 0.35 0.40 b 0.19 - 0.28 b1 0.18 0.20 0.23 c 0.15 - 0.20 c1 0.14 0.152 0.16 D 2.90 3.00 3.10 E 4.70 4.90 5.10 E1 2.90 3.00 3.10 e 0.50BSC L 0.40 - 0.70 L1 0.95BSC θ

0 - 8° FD2105 REV_Preliminary

11 www.fortiortech.com 15. MSOP10 顶层丝印形式图 FD2105 REV_Preliminary

12 www.fortiortech.com Copyright Notice Copyright by Fortior Technology (Shenzhen) Co., Ltd. All Rights Reserved. Right to make changes ―Fortior Technology (Shenzhen) Co., Ltd reserves the right to make changes in the products - including circuits, standard cells, and/or software - described or contained herein in order to improve design and/or performance. The information contained in this manual is provided for the general use by our customers. Our customers should be aware that the personal computer field is the subject of many patents. Our customers should ensure that they take appropriate action so that their use of our products does not infringe upon any patents. It is the policy of Fortior Technology (Shenzhen) Co., Ltd. to respect the valid patent rights of third parties and not to infringe upon or assist others to infringe upon such rights. This manual is copyrighted by Fortior Technology (Shenzhen) Co., Ltd. You may not reproduce, transmit, transcribe, store in a retrieval system, or translate into any language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual, or otherwise, any part of this publication without the expressly written permission from Fortior Technology (Shenzhen) Co., Ltd. Fortior Technology(Shenzhen) Co.,Ltd. Room203,2/F, Building No.11,Keji Central Road2, SoftwarePark, High-Tech Industrial Park, Shenzhen, P.R. China

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