BCR420U / BCR421U
List of Figures
List of Figures
Figure 1-1 Pin configuration and typical application. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 3-1 Total Power Dissipation Ptot = f(TS). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 3-2 Permissible Pulse Load RthJS = f(tp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 3-3 Permissible Pulse Load Ptotmax / PtotDC= f(tp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 3-4 BCR420U: Output Current versus Vout Iout = f(Vout), VEN = 40 V, Rext = Parameter . . . . . . . . . . . . . 13
Figure 3-5 BCR420U: Output Current versus Rext Iout = f(Rext), VEN = 40 V, Vout = Parameter . . . . . . . . . . . . . 13
Figure 3-6 BCR420U: Output Current versus Vout Iout = f(Vout), VEN = 40 V, Rext = open, TA = Parameter . . . . 14
Figure 3-7 BCR420U: Output Current versus Vout Iout = f(Vout), VEN = 40 V, Rext = 20 Ω, TA = Parameter . . . . 14
Figure 3-8 BCR420U: Output Current versus Vout Iout = f(Vout), VEN = 40 V, Rext = 6 Ω, TA = Parameter . . . . . 15
Figure 3-9 BCR420U: Output Current versus VEN Iout = f(VEN), Vout = 2 V, Rext = open, TA = Parameter . . . . . 15
Figure 3-10 BCR420U: Output Current versus VEN Iout = f(VEN), Vout = 2 V, Rext = 20 Ω, TA = Parameter . . . . . 16
Figure 3-11 BCR420U: Output Current versus VEN Iout = f(VEN), Vout = 2 V, Rext = 6 Ω, TA = Parameter . . . . . . 16
Figure 3-12 BCR420U: Output Current versus VEN Iout = f(VEN), Vout = 2 V, Rext = Parameter . . . . . . . . . . . . . . 17
Figure 3-13 BCR420U: Enable Current versus VEN IEN = f(VEN), Rext = open, Iout = 0 A, TA = Parameter . . . . . 17
Figure 3-14 BCR421U: Output Current versus Vout Iout = f(Vout), VEN = 3.3 V, Rext = Parameter . . . . . . . . . . . . 18
Figure 3-15 BCR421U: Output Current versus Rext Iout = f(Rext), VEN = 3.3 V, Vout = Parameter . . . . . . . . . . . . 18
Figure 3-16 BCR421U: Output Current versus Vout Iout = f(Vout), VEN = 3.3 V, Rext = open, TA = Parameter . . . 19
Figure 3-17 BCR421U: Output Current versus Vout Iout = f(Vout), VEN = 3.3 V, Rext = 20 Ω, TA = Parameter. . . . 19
Figure 3-18 BCR421U: Output Current versus Vout Iout = f(Vout), VEN = 3.3 V, Rext = 6 Ω, TA = Parameter. . . . . 20
Figure 3-19 BCR421U: Output Current versus VEN Iout = f(VEN), Vout = 2 V, Rext = open, TA = Parameter . . . . . 20
Figure 3-20 BCR421U: Output Current versus VEN Iout = f(VEN), Vout = 2 V, Rext = 20 Ω, TA = Parameter . . . . . 21
Figure 3-21 BCR421U: Output Current versus VEN Iout = f(VEN), Vout = 2 V, Rext = 6 Ω, TA = Parameter . . . . . . 21
Figure 3-22 BCR421U: Output Current versus VEN Iout = f(VEN), Vout = 2 V, Rext = Parameter . . . . . . . . . . . . . . 22
Figure 3-23 BCR421U: Enable Current versus VEN IEN = f(VEN), Rext = open, Iout = 0 A, TA = Parameter . . . . . 22
Figure 4-1 Application Circuit: Enabling / PWM by Micro Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 4-2 Application Circuit: Enabling by Connecting to VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 5-1 Package Outline for SC74 (dimensions in mm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 5-2 Package Footprint for SC74 (dimensions in mm). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 5-3 Tape and Reel Information for SC74 (dimensions in mm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Datasheet
5
Revision 2.0, 2012-05-04
5秒后页面跳转
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