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LP2953 Arkusz danych(PDF) 33 Page - Texas Instruments

Numer części LP2953
Szczegółowy opis  LP295x Adjustable Micropower Low-Dropout Voltage Regulators
PDF  41 Pages
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Producent  TI [Texas Instruments]
Strona internetowa  http://www.ti.com
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LP2953 Arkusz danych(HTML) 33 Page - Texas Instruments

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LP2952-N, LP2952A, LP2953, LP2953A
www.ti.com
SNVS095F – MAY 2004 – REVISED MARCH 2015
Power Dissipation: Heatsink Requirements (Industrial Temperature Range Devices) (continued)
The heatsink is made using the PC board copper. The heat is conducted from the die, through the lead frame
(inside the part), and out the pins which are soldered to the PC board. The pins used for heat conduction are
given in Table 2.
Table 2. Heat Conducting Pins
PART
PACKAGE
PINS
LP2953IN, LP2953AIN
16-pin PDIP
4, 5, 12, 13
LP2953IN-3.3, LP2953AIN-3.3
LP2952IM, LP2952AIM
LP2952IM-3.3, LP2952AIM-3.3
16-pin surface mount (SOIC)
1, 8, 9, 16
LP2953IM, LP2953AIM
LP2953IM-3.3, LP2953AIM-3.3
Figure 49 shows copper patterns which may be used to dissipate heat from the LP2952 and LP2953.
* For best results, use L = 2H.
** 14-Pin PDIP is similar, see Table 2 for pins designated for heatsinking.
Figure 49. Copper Heatsink Patterns
Copyright © 2004–2015, Texas Instruments Incorporated
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Product Folder Links: LP2952-N LP2952A LP2953 LP2953A



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