Datasheet
TPS53315
SLUSAE6 –DECEMBER 2010
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)
ORDERING TRANSPORT MINIMUM
T
A
PACKAGE PINS ECO PLAN
NUMBER MEDIA QUANTITY
TPS53315RGFR 40 Tape and reel 3000
Plastic QFN Green (RoHS and
–40°C to 85°C
(RGF) no Pb/Br)
TPS53315RGFT 40 Mini reel 250
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
web site at www.ti.com.
ABSOLUTE MAXIMUM RATINGS
(1)
VALUE UNIT
VIN (main supply) –0.3 to 17
VDD –0.3 to 28
Input voltage range VBST –0.3 to 24 V
VBST(with respect to LL) –0.3 to 7
EN, TRIP, VFB, RF, MODE –0.3 to 7
DC –1 to 23
LL
Pulse < 20 ns, E = 5 mJ –7
Output voltage range V
PGOOD, VREG –0.3 to 7
PGND –0.3 to 0.3
Source/Sink Current VBST 50 mA
Operating free-air temperature, T
A
–40 to 85 °C
Storage temperature range, T
stg
–55 to 150 °C
Junction temperature range, T
J
–40 to 150 °C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 300 °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.
THERMAL INFORMATION
TPS53315
THERMAL METRIC
(1)
UNITS
RGF(40 PINS)
q
JA
Junction-to-ambient thermal resistance 35.8
q
JCtop
Junction-to-case (top) thermal resistance 23.8
q
JB
Junction-to-board thermal resistance 10.1
°C/W
y
JT
Junction-to-top characterization parameter 0.4
y
JB
Junction-to-board characterization parameter 10.0
q
JCbot
Junction-to-case (bottom) thermal resistance 2.8
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
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