Datasheet
TPS2511
SLUSB18 –JUNE 2012
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
Conditions are –40°C ≤ (T
J
= T
A
) ≤ 125°C, 4.5 V ≤ V
IN
≤ 5.5 V, V
EN
= V
IN
and R
ILIM_SET
= 22.1 kΩ. Positive current are into
pins. Typical values are at 25°C. All voltages are with respect to GND (unless otherwise noted).
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
THERMAL SHUTDOWN
Not in current limit 155
Temperature rising threshold
(2)
In current limit 135 ºC
Hysteresis
(2)
10
OUT CURRENT DETECTION
R
ILIM_SET
= 22.1 kΩ 1060
Load detection current threshold,
I
HCC_TH
mA
rising
(2)
R
ILIM_SET
= 44.2 kΩ 560
R
ILIM_SET
= 22.1 kΩ 230
Load detection current
I
HCC_TH_HYS
mA
Hysteresis
(2)
R
ILIM_SET
= 44.2 kΩ 120
V
CS
CS output active low voltage
(2)
I
CS
= 1 mA 0 80 140 mV
CS deglitch time during turning on
t
CS_EN
I
CS
= 1 mA 8 ms
(2)
ENABLE INPUT (EN)
V
EN_TRIP
EN threshold voltage, falling 0.9 1.1 1.65 V
V
EN_TRIP_HYS
Hysteresis 100 200 300 mV
I
EN
Leakage current V
EN
= 0 V or V
EN
= 5.5 V –0.5 0.5 µA
t
on
OUT voltage turn-on time 2.6 5
C
L
= 1 µF, R
L
= 100 Ω, see Figure 1,
ms
Figure 2
t
off
OUT voltage turn-off time 1.7 3
BC 1.2 DCP MODE (SHORT MODE)
R
DPM_SHORT
DP and DM shorting resistance V
DP
= 0.8 V, I
DM
= 1 mA 125 200 Ω
Resistance between DP/DM and
R
DCHG_SHORT
V
DP
= 0.8 V 400 700 1300 kΩ
GND
Voltage threshold on DP under
V
DPL_TH_DETACH
which the device goes back to 310 330 350 mV
divider mode
V
DPL_TH_DETACH_HYS
Hysteresis 50
(2)
mV
DIVIDER MODE
V
DP_2.7V
DP output voltage V
IN
= 5.0 V 2.57 2.7 2.84
V
V
DM_2.0V
DM output voltage V
IN
= 5.0 V 1.9 2.0 2.1
R
DP_PAD1
DP output impedance I
DP
= –5 µA 24 30 40
kΩ
R
DM_PAD1
DM output impedance I
DM
= –5 µA 24 30 40
1.2 V / 1.2 V MODE
V
DP_1.2V
DP output voltage V
IN
= 5.0 V 1.12 1.2 1.28 V
V
DM_1.2V
DM output voltage V
IN
= 5.0 V 1.12 1.2 1.28 V
R
DP_PAD2
DP output impedance I
DP
= –5 uA 80 105 130 kΩ
R
DM_PAD2
DM output impedance I
DM
= –5 uA 80 105 130 kΩ
(2) Specified by design. Not production tested.
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