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L5050STR 数据表(PDF) 4 Page - STMicroelectronics

部件名 L5050STR
功能描述  5 V low drop linear voltage regulator for automotive application
PDF  20 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L5050STR 数据表(HTML) 4 Page - STMicroelectronics

  L5050STR Datasheet HTML 1Page - STMicroelectronics L5050STR Datasheet HTML 2Page - STMicroelectronics L5050STR Datasheet HTML 3Page - STMicroelectronics L5050STR Datasheet HTML 4Page - STMicroelectronics L5050STR Datasheet HTML 5Page - STMicroelectronics L5050STR Datasheet HTML 6Page - STMicroelectronics L5050STR Datasheet HTML 7Page - STMicroelectronics L5050STR Datasheet HTML 8Page - STMicroelectronics L5050STR Datasheet HTML 9Page - STMicroelectronics Next Button
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List of figures
L5050S
4/20
DS12548 Rev 3
List of figures
Figure 1.
Functional block diagram – L5050S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 2.
Pins configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 3.
Output voltage vs. Tj. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 4.
Output voltage vs. Vs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 5.
Output voltage vs. VEn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 6.
Drop voltage vs. output current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 7.
Current consumption vs. output current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 8.
Current consumption vs. output current (at light condition) . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 9.
Current consumption vs input voltage (Io = 0.15 mA). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 10.
Current consumption vs input voltage (Io = 50 mA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 11.
Current limitation vs Tj . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 12.
Current limitation vs input voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 13.
Short circuit current vs Tj . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 14.
Short circuit current vs input voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 15.
VEn_high vs Tj . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 16.
VEn _low vs Tj . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 17.
PSRR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 18.
Application schematic – L5050S. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 19.
Stability region . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 20.
Maximum load variation response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 21.
SO-8 PC board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 22.
Rthj-amb vs PCB copper area in open box free air condition . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 23.
SO-8 thermal impedance junction ambient single pulse. . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 24.
Thermal fitting model of a Vreg in SO-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 25.
SO-8 package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 26.
SO-8 tape and reel shipment (suffix “TR”) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18



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