Datasheet

TPS2458
SLUS916B –FEBRUARY 2009–REVISED MAY 2010 www.ti.com
ORDERING INFORMATION
DEVICE TEMPERATURE PACKAGE ORDERING CODE MARKING
TPS2458 -40°C to 85°C QFN32 TPS2458RHB TPS2458
ABSOLUTE MAXIMUM RATINGS
(1)
over operating free-air temperature range (unless otherwise noted)
VALUE UNIT
PASS, BLK –0.3 to 30
IN12, OUT12, SENP, SENM, SET, EN12, FLTx, PGx, OREN –0.3 to 17
V
IN3, OUT3, EN3\, VDD, CTx, SUMx –0.3 to 5
AGND, GND –0.3 to 0.3
Human Body Model 2
ESD kV
Charged Device Model 0.5
FLTx, PGx 5
SUMx 5
mA
VINT –1 to 1
OUT3 250
(1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings
only. Functional operation of the device under any conditions beyond those indicated under recommended operating conditions is
neither implied nor guaranteed. Exposure to absolute maximum rated conditions for extended periods of time may affect device
reliability.
DISSIPATION RATINGS
PACKAGE qJA – High-k (°C/W)
QFN32 - RHB 50
RECOMMENDED OPERATING CONDITIONS
over operating free-air temperature range (unless otherwise noted)
PARAMETER MIN NOM MAX UNIT
VIN12 12 V input supply 8.5 12 15
VIN3 3.3 V input supply 3 3.3 4 V
VVDD3 3.3 V input supply 3 3.3 4
IOUT3 3.3 V output current 165 mA
ISUMx Summing pin current 100 1000
µA
PASS pin board leakage current -1 1
VINT bypass capacitance 1 10 250 nF
T
J
Operating junction temperature range -40 125 °C
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