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| SULR1221 Datasheet, PDF (13/17 Pages) Sangdest Microelectronic (Nanjing) Co., Ltd – Ultra LDO 2A Linear Regulator With Adjustable & Bypass Pin | |||
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SULR1221
Technical Data
Data Sheet N1579, Rev. -
Ultra LDO 2A Linear Regulator With Adjustable & Bypass Pin
The maximum power dissipation is:
(TJ-max - TA)
PMAX =
RÎJA
Where T is the maximum allowable junction temperature (150°C), and T is the ambient temperature
J-max
A
suitable in application.
As a general rule, the lower temperature is, the better reliability of the device is. So the PCB mounting pad
should provide maximum thermal conductivity to maintain low device temperature.
LAYOUT CONSIDERATION
Connect the bottom-side pad to a large ground plane. Use as much copper as possible to decrease the
thermal resistance of the device.
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