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LM20143 Arkusz danych(PDF) 3 Page - Texas Instruments

Numer części LM20143
Szczegółowy opis  3A, PowerWise짰 Adjustable Frequency Synchronous Buck Regulator
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Producent  TI1 [Texas Instruments]
Strona internetowa  http://www.ti.com
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LM20143 Arkusz danych(HTML) 3 Page - Texas Instruments

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LM20143
www.ti.com
SNVS528F – OCTOBER 2007 – REVISED NOVEMBER 2011
ABSOLUTE MAXIMUM RATINGS
(1)
Voltages from the indicated pins to GND
AVIN, PVIN, EN, PGOOD, SS/TRK, COMP, FB, RT
-0.3V to +6V
Storage Temperature
-65°C to 150°C
Junction Temperature
150°C
Power Dissipation (2)
2.6W
Lead Temperature (Soldering, 10 sec)
260°C
Minimum ESD Rating (3)
±2kV
(1)
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for
which the device is intended to be functional, but do not specific performance limits. For specifications and test conditions, see the
Electrical Characteristics.
(2)
The maximum allowable power dissipation is a function of the maximum junction temperature, TJ_MAX, the junctions-to-ambient thermal
resistance,
θJA, and the ambient temperature, TA. The maximum allowable power dissipation at any ambient temperature is calculated
using: PD_MAX = (TJ_MAX – TA)/θJA. The maximum power dissipations of 2.6W is determined using TA = 25°C, θJA = 38°C/W, and TJ_MAX
= 125°C.
(3)
The human body model is a 100 pF capacitor discharged through a 1.5 k
Ω resistor to each pin.
OPERATINGS RATINGS
PVIN, AVIN to GND
2.95V to 5.5V
Junction Temperature
−40°C to + 125°C
Copyright © 2007–2011, Texas Instruments Incorporated
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