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TPS62042DRCRG4 Fiches technique(PDF) 2 Page - Texas Instruments

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No de pièce TPS62042DRCRG4
Description  1.2 A/1.25 MHz, HIGH-EFFICIENCY STEP-DOWN CONVERTER
Download  30 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPS62042DRCRG4 Fiches technique(HTML) 2 Page - Texas Instruments

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TPS62040
TPS62042, TPS62043
TPS62044, TPS62046
SLVS463B − JUNE 2003 − REVISED OCTOBER 2005
www.ti.com
2
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during
storage or handling to prevent electrostatic damage to the MOS gates.
ORDERING INFORMATION
T
VOLTAGE OPTIONS
PACKAGE
PACKAGE MARKING
TA
VOLTAGE OPTIONS
MSOP(1)
QFN(2)
MSOP
QFN
Adjustable
TPS62040DGQ
TPS62040DRC
BBI
BBO
1.5 V
TPS62042DGQ
TPS62042DRC
BBL
BBS
−40°C to 85°C
1.6 V
TPS62043DGQ
TPS62043DRC
BBM
BBT
40 C to 85 C
1.8 V
TPS62044DGQ
TPS62044DRC
BBN
BBU
3.3 V
TPS62046DGQ
TPS62046DRC
BBQ
BBW
(1) The DGQ package is available in tape and reel. Add R suffix (DGQR) to order quantities of 2500 parts per reel.
(2) The DRC package is available in tape and reel. Add R suffix (DRCR) to order quantities of 3000 parts per reel.
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range unless otherwise noted(1)
UNITS
Supply voltage VIN (2)
−0.3 V to 7 V
Voltages on EN, MODE, FB, SW(2)
−0.3 V to VCC +0.3 V
Continuous power dissipation
See Dissipation Rating Table
Operating junction temperature range
−40°C to 150°C
Storage temperature range
−65°C to 150°C
Lead temperature (soldering, 10 sec)
260°C
(1) Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied.
Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) All voltage values are with respect to network ground terminal.
PACKAGE DISSIPATION RATINGS
PACKAGE
RQJA(1)
TA ≤ 25°C
POWER RATING
TA = 70°C
POWER RATING
TA = 85°C
POWER RATING
MSOP
60°C/W
1.67 W
917 mW
667 mW
QFN
48.7°C/W
2.05 W
1.13 W
821 mW
(1) The thermal resistance, RΘJA is based on a soldered PowerPAD using thermal vias.
RECOMMENDED OPERATING CONDITIONS
MIN
TYP
MAX
UNIT
VI
Supply voltage
2.5
6.0
V
VO
Output voltage range for adjustable output voltage version
0.7
VI
V
IO
Output current
1.2
A
L
Inductor(1)
6.2
µH
CI
Input capacitor(1)
22
µF
CO
Output capacitor(1)
22
µF
TA
Operating ambient temperature
−40
85
°C
TJ
Operating junction temperature
−40
125
°C
(1) Refer to application section for further information


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