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TPS62231DRY Datasheet(PDF) 3 Page - Texas Instruments

No. de pieza TPS62231DRY
Descripción Electrónicos  3 MHz Ultra Small Step Down Converter in 1x1.5 SON Package
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Fabricante Electrónico  TI [Texas Instruments]
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RECOMMENDED OPERATING CONDITIONS
TPS62230
TPS62231
TPS62232
www.ti.com ..................................................................................................................................................................................................... SLVS941 – APRIL 2009
operating ambient temperature TA = –40 to 85°C (unless otherwise noted)
(1)
MIN
NOM
MAX
UNIT
Supply voltage VIN
(2)
2.05
6
V
Effective inductance
2.2
µH
Effective capacitance
2.0
4.7
µF
VOUT ≤ VIN -1 V
(3)
500 mA maximum IOUT
(4)
3.0
3.6
Recommended minimum
350mA maximum IOUT
(5)
2.5
2.7
V
supply voltage
VOUT ≤ 1.8V
60 mA maximum output current(5)
2.05
Operating virtual junction temperature range, TJ
–40
125
°C
(1)
In applications where high power dissipation and/or poor package thermal resistance is present, the maximum ambient temperature may
have to be derated. Maximum ambient temperature (TA(max)) is dependent on the maximum operating junction temperature (TJ(max)), the
maximum power dissipation of the device in the application (PD(max)), and the junction-to-ambient thermal resistance of the part/package
in the application (
θ
JA), as given by the following equation: TA(max) = TJ(max) – (θJA × PD(max)).
(2)
The minimum required supply voltage for startup is 2.05 V. The part is functional down to the falling UVL (Under Voltage Lockout)
threshold.
(3)
For a voltage difference between minimum VIN and VOUT of ≥ 1 V
(4)
Typical value applies for TA = 25°C, maximum value applies for TA = 70°C with TJ ≤ 125°C, PCB layout needs to support proper thermal
performance.
(5)
Typical value applies for TA = 25°C, maximum value applies for TA = 85°C with TJ ≤ 125°C, PCB layout needs to support proper thermal
performance.
Copyright © 2009, Texas Instruments Incorporated
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Product Folder Link(s): TPS62230 TPS62231 TPS62232


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