Datasheet

TPS22946
SLVS984A –SEPTEMBER 2009–REVISED FEBRUARY 2010 www.ti.com
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range (unless otherwise noted)
V
I
Input voltage VIN, VOUT, ON, CL –0.3 V to 6 V
T
J
Operating junction temperature range –40°C to 125°C
T
stg
Storage temperature range –65°C to 150°C
ESD Electrostatic discharge protection Human-body model (HBM) 6000 V
DISSIPATION RATINGS
(1)
DERATING FACTOR
BOARD PACKAGE R
qJC
R
qJA
T
A
< 25°C T
A
= 70°C T
A
= 85°C
ABOVE TA = 25°C
High-K(1) YZP 17.6°C/W 123.36°C/W -8.1063 mW/°C 810.63 mW 445.84 mW 324.25 mW
(1) The JEDEC high-K (2s2p) board used to derive this data was a 3-in x 3-in, multilayer board with 1-ounce internal power and ground
planes and 2-ounce copper traces on top and bottom of the board.
RECOMMENDED OPERATING CONDITIONS
over operating free-air temperature range (unless otherwise noted)
MIN MAX UNIT
V
IN
Input voltage 1.62 5.5 V
V
ON
ON pin voltage 0 5.5 V
V
CL
CL pin voltage 0 V
IN
V
V
OUT
OUT pin voltage 0 V
IN
V
T
A
Ambient free-air temperature -40 85 °C
t
CLSET
CL pin setting time 8 ms
C
IN
Input capacitor 1
(1)
mF
V
IN
= 1.8 V 1.1 5.5
V
IN
= 2.5 V 1.2 5.5
V
IH
ON high-level input voltage V
V
IN
= 3.3 V 1.3 5.5
V
IN
= 5.5 V 1.4 5.5
V
IN
= 1.8 V 0.4
V
IN
= 2.5 V 0.4
V
IL
ON low-level input voltage V
V
IN
= 3.3 V 0.5
V
IN
= 5.5 V 0.6
V
IH
CL low-level input voltage V
IN
= 1.62 V to 5.5 V, I
IH
= 55 mA 0.7 V
IN
V
IN
V
V
IL
CL high-level input voltage V
IN
= 1.62 V to 5.5 V, I
IL
= 55 mA GND 0.3 V
IN
V
(1) See the Application Information section of this data sheet.
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