Datasheet
TPS2511
www.ti.com
SLUSB18 –JUNE 2012
RECOMMENDED OPERATING CONDITIONS
voltages are referenced to GND (unless otherwise noted), positive current are into pins.
MIN MAX UNIT
V
IN
Input voltage of IN 4.5 5.5
V
CS
Input voltage of CS 0 5.5
V
EN
Input voltage of EN 0 5.5 V
V
DP
DP data line input voltage 0 5.5
V
DM
DM data line input voltage 0 5.5
I
DP
Continuous sink/source current ±10
I
DM
Continuous sink/source current ±10 mA
I
CS
Continuous sink current 2
I
OUT
Continuous output current of OUT 2.2 A
R
ILIM_SET
A resistor of current-limit, ILIM_SET to GND 16.9 750 kΩ
T
J
Operating junction temperature -40 125 º C
ELECTRICAL CHARACTERISTICS
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
POWER SWITCH
I
OUT
= 2 A 70 120
Static drain-source on-state
R
DS(on)
I
OUT
= 2 A, –40ºC ≤ (T
J
=T
A
) ≤ 85ºC 70 105 mΩ
resistance
I
OUT
= 2 A, T
J
=T
A
= 25ºC 70 84
C
L
= 1 µF, R
L
= 100 Ω, V
IN
= 5 V see
t
r
OUT voltage rise time 1.0 1.5
Figure 1, Figure 3
ms
C
L
= 1 µF, R
L
= 100 Ω, V
IN
= 5 V see
t
f
OUT voltage fall time 0.2 0.35 0.5
Figure 1, Figure 3
I
REV
Reverse leakage current V
OUT
= 5.5 V, V
IN
= V
EN
= 0 V 0.01 2 µA
DISCHARGE
R
DCHG
Discharge resistance V
OUT
= 4 V 400 500 630 Ω
CURRENT LIMIT
R
ILIM_SET
= 44.2 kΩ 1060 1160 1270
I
OS
OUT short-circuit current limit R
ILIM_SET
= 22.1 kΩ 2110 2300 2550 mA
R
ILIM_SET
= 16.9 kΩ 2760 3025 3330
V
IN
= 5.0 V, R
L
= 50 mΩ, 2 inches lead
t
IOS
Short-circuit response time
(1)
1.5 µs
length, See Figure 4
HICCUP MODE
V
OUT_SHORT
OUT voltage threshold of going V
IN
= 5.0 V, R
ILIIM_SET
= 210 kΩ 3.6 3.8 4.1 V
into hiccup mode
t
OS_DEG
On time of hiccup mode
(1)
V
IN
= 5.0 V, R
L
= 0 16 ms
t
SC_TURN_OFF
Off time of hiccup mode
(1)
V
IN
= 5.0 V, R
L
= 0 12 s
UNDERVOLTAGE LOCKOUT
V
UVLO
IN UVLO threshold voltage, rising 3.9 4.1 4.3 V
Hysteresis
(1)
100 mV
SUPPLY CURRENT
V
EN
= 0 V, V
IN
= 5.5 V,
I
IN_OFF
Disabled, IN supply current 0.1 2
–40ºC ≤ T
J
≤ 85ºC
µA
I
IN_ON
Enabled, IN supply current V
EN
= V
IN
, R
ILIM_SET
= 210 kΩ 180 230
(1) Specified by design. Not production tested.
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