TPS2490
TPS2491
SLVS503D NOVEMBER 2003REVISED JULY 2012
www.ti.com
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.
ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more
susceptible to damage because very small parametric changes could cause the device not to meet its published specifications.
ORDERING INFORMATION
TA
FUNCTION
PACKAGE
PART NUMBER
(1)
SYMBOL
Latched
VSSOP-10
TPS2490DGS
BIY
-40癈 to 85癈
Retry
(MSOP)
TPS2491DGS
BIX
(1) Add an R suffix to the device type for tape and reel packaging.
ABSOLUTE MAXIMUM RATINGS
(1)
over operating free-air temperature range (unless otherwise noted)
UNIT
Input voltage range, VCC, SENSE, EN
0.3 to 100
V
Input voltage range, OUT
(2)
1 to 100
V
Output voltage range, GATE, PG
0.3 to 100
V
Input voltage range, PROG
0.3 to 6
V
Output voltage range, TIMER, VREF
0.3 to 6
V
Sink current, PG
10
mA
Source current, VREF
0 to 2
mA
Sink Current, PROG
2
mA
ESD - human body model
2
kV
ESD - charged device model
500
V
Maximum junction temperature, T
J
150
癈
Storage temperature, T
ST
65 to 150
癈
(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) OUT will withstand transients to 2 V for 1 ms or less.
RECOMMENDED OPERATING CONDITIONS
MIN
NOM
MAX
UNIT
V
VCC
Input voltage range
9
80
V
V
PROG
Input voltage range
0.4
(1)
4
V
V
OUT
Operating voltage range
0
80
V
I
VREF
Operating current range (sourcing), V
REF
0
1
mA
T
J
Operating junction temperature
40
125
癈
T
A
Operating free-air temperature
40
85
癈
(1) V
PROG
may be set below this minimum with reduced accuracy.
DISSIPATION RATING TABLE
T
A
<25癈
DERATING FACTOR
T
A
= 70癈
T
A
= 85癈
PACKAGE
POWER RATING
ABOVE T
A
= 25癈
POWER RATING
POWER RATING
mW
(mW/癈)
(mW)
(mW)
VSSOP-10 (MSOP)
376
3.76
207
150
2
Copyright ?20032012, Texas Instruments Incorporated
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