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TPS2544RTER Datasheet(PDF) 4 Page - Texas Instruments

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No. de pieza TPS2544RTER
Descripción Electrónicos  USB Charging Port Controller and Power Switch
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI - Texas Instruments

TPS2544RTER Datasheet(HTML) 4 Page - Texas Instruments

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TPS2544
SLVSBU8A – FEBRUARY 2013 – REVISED FEBRUARY 2013
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
Unless otherwise noted: –40
≤ TJ ≤ 125°C, 4.5V ≤ VIN ≤ 5.5 V, VEN = VIN, VILIM_SEL = VIN, VCTL1 = VCTL2 = VCTL3 = VIN. R FAULT =
10 k
Ω, RILIM_HI = 20 kΩ, RILIM_LO = 80.6 kΩ. Positive currents are into pins. Typical values are at 25°C. All voltages are with
respect to GND.
PARAMETER
TEST CONDITIONS
MIN
TYP MAX
UNIT
EN, ILIMSEL, CTL1, CTL2, CTL3 INPUTS
Input pin rising logic threshold
1
1.35
1.70
V
voltage
Input pin falling logic threshold
0.85
1.15
1.45
voltage
Hysteresis(2)
200
mV
Input current
Pin voltage = 0 V or 5.5 V
–0.5
0.5
µA
ILIMSEL CURRENT LIMIT
VILIM_SEL = 0 V, RILIM_LO = 210 kΩ
205
240
275
VILIM_SEL = 0 V, RILIM_LO = 80.6 kΩ
575
625
680
IOS
OUT short circuit current limit(3)
VILIM_SEL = 0 V, RILIM_LO = 22.1 kΩ
2120
2275 2430
mA
VILIM_SEL = VIN, RILIM_HI= 20 kΩ
2340
2510 2685
VILIM_SEL = VIN, RILIM_HI = 16.9 kΩ
2770
2970 3170
Response time to OUT short-
VIN = 5.0 V, R = 0.1Ω, lead length = 2 inches (see
tIOS
1.5
µs
circuit(2)
Figure 24)
SUPPLY CURRENT
IIN_OFF
Disabled IN supply current
VEN = 0 V, VOUT = 0 V, –40 ≤ TJ ≤ 85°C
0.1
2
µA
VCTL1 = VCTL2 = VIN, VCTL3 = 0 V, VILIM_SEL = 0 V
165
220
VCTL1 = VCTL2 = VCTL3 = VIN, VILIM_SEL = 0 V
175
230
IIN_ON
Enabled IN supply current
VCTL1 = VCTL2 = VIN, VCTL3 = 0V, VILIM_SEL = VIN
185
240
µA
VCTL1 = VCTL2 = VIN, VCTL3 = VIN, VILIM_SEL = VIN
195
250
VCTL1 = 0V, VCTL2 = VCTL3 = VIN
215
270
UNDERVOLTAGE LOCKOUT
VUVLO
IN rising UVLO threshold voltage
3.9
4.1
4.3
V
Hysteresis(2)
100
mV
FAULT
Output low voltage
I FAULT = 1 mA
100
mV
Off-state leakage
V FAULT = 5.5 V
1
µA
Over current FAULT rising and
5
8.2
12
ms
falling deglitch
THERMAL SHUTDOWN
Thermal shutdown threshold
155
Thermal shutdown threshold in
135
°C
current-limit
Hysteresis(2)
20
(2)
These parameters are provided for reference only and do not constitute part of TI's published device specifications for purposes of TI's
product warranty.
(3)
Pulse-testing techniques maintain junction temperature close to ambient temperature; Thermal effects must be taken into account
separately.
4
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Copyright © 2013, Texas Instruments Incorporated
Product Folder Links: TPS2544


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