Datasheet
ABSOLUTE MAXIMUM RATINGS
DISSIPATION RATINGS
TPS650250
SLVS843 – DECEMBER 2008 ...........................................................................................................................................................................................
www.ti.com
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
(1)
VOLTAGE AT OUTPUT CURRENT ON VOLTAGE AT
T
A
PACKAGE PART NUMBER
(2)
DCDC3 DCDC1 / DCDC2 / DCDC3 VDD_ALIVE
32 Pin QFN
– 40 ° C to 85 ° C Adjustable 1.6A / 0.8A / 0.8A 1V TPS650250RHB
(RHB)
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
website at www.ti.com.
(2) The RHB package is available in tape and reel. Add R suffix (TPS650250RHBR) to order quantities of 3000 parts per reel. Add T suffix
(TPS650250RHBT) to order quantities of 250 parts per reel.
over operating free-air temperature range (unless otherwise noted)
(1)
VALUE UNIT
Input voltage range on all pins except A/PGND pins with respect to AGND – 0.3 to 7 V
Voltage range on pins VLDO1, VLDO2, FB_LDO1, FB_LDO2 – 0.3 to 3.6 V
Current at VINDCDC1, L1, PGND1, VINDCDC2, L2, PGND2, VINDCDC3, L3, PGND3 2000 mA
Peak current at all other pins 500 mA
Continuous total power dissipation See Dissipation Rating Table
T
A
Operating free-air temperature – 40 to 85 ° C
T
J
Maximum junction temperature 125 ° C
T
st
Storage temperature – 65 to 150 ° 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.
T
A
≤ 25 ° C DERATING FACTOR T
A
= 70 ° C T
A
= 85 ° C
PACKAGE
(1)
R
θ JA
POWER RATING ABOVE T
A
= 25 ° C POWER RATING POWER RATING
RHB 35K/W 2.85W 28mW/K 1.57W 1.14W
(1) The thermal resistance junction to ambient of the RHB package is measured on a high K board. The thermal resistance junction to
power pad is 1.5k/W.
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