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TPS62233DRY Fiches technique(PDF) 3 Page - Texas Instruments

No de pièce TPS62233DRY
Description  2 MHz / 3 MHz Ultra Small Step Down Converter in 1x1.5 SON Package
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TPS62233DRY Fiches technique(HTML) 3 Page - Texas Instruments

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TPS62230, TPS62231, TPS62232, TPS62233
TPS62234, TPS62235, TPS62236, TPS62237
TPS62238, TPS62239, TPS622310, TPS622311
www.ti.com
SLVS941B – APRIL 2009 – REVISED DECEMBER 2009
DISSIPATION RATINGS
(1)
POWER RATING
DERATING FACTOR
PACKAGE
RθJA
FOR TA ≤ 25°C
ABOVE TA = 25°C
1 × 1.5 SON
234°C/W(2)
420 mW
4.2 mW/°C
(1)
Maximum power dissipation is a function of TJ(max), θJA and TA. The maximum allowable power dissipation at any allowable ambient
temperature is PD = [TJ(max) – TA] /θJA.
(2)
This thermal data is measured with high-K board (4 layers board according to JESD51-7 JEDEC standard).
RECOMMENDED OPERATING CONDITIONS
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 (
θJA), 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 TPS62233 TPS62234 TPS62235 TPS62236 TPS62237
TPS62238 TPS62239 TPS622310 TPS622311


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