Datasheet

TPS40190
SLUS658C –JULY 2005–REVISED JULY 2012 www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
T
A
= –40°C to 85°C, V
VDD
= 12 V
dc
, T
A
=T
J
, all parameters at zero power dissipation (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
OUTPUT DRIVERS
R
HDHI
High-side driver pull-up resistance V
BOOT
- V
SW
= 4.5 V, I
HDRV
= -100 mA 3 6
R
HDLO
High-side driver pull-down resistance V
BOOT
- V
SW
= 4.5 V, I
HDRV
= 100 mA 1.5 3.0
Ω
R
LDHI
Low-side driver pull-up resistance I
LDRV
= -100 mA 2.5 5.0
R
LDLO
Low-side driver pull-down resistance I
LDRV
= 100 mA 0.80 1.50
t
HRISE
High-side driver rise time
(4)
15 35
t
HFALL
High-side driver fall time
(4)
10 25
C
LOAD
= 1 nF ns
t
LRISE
Low-side driver rise time
(4)
15 35
t
LFALL
Low-side driver fall time
(4)
10 25
UVLO
V
UVLO
Turn-on voltage 4.10 4.25 4.40 V
UVLO
HYST
Hysteresis 270 320 370 mV
SHUTDOWN
V
IH
High-level input voltage, ENABLE 2.8
V
V
IL
Low-level input votlage, ENABLE 0.6
BOOT DIODE
V
DFWD
Bootstrap diode forward voltage I
BOOT
= 5 mA 0.6 0.8 1.2 V
(4) Specified by design. Not production tested.
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