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TPS2155IPWP Fiches technique(PDF) 6 Page - Texas Instruments

No de pièce TPS2155IPWP
Description  3.3-V LDO AND DUAL SWITCH FOR USB PERIPHERAL POWER MANAGEMENT
Download  19 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TPS2155IPWP Fiches technique(HTML) 6 Page - Texas Instruments

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TPS2148
TPS2158
SLVS373 – AUGUST 2001
6
www.ti.com
electrical characteristics over recommended operating junction-temperature range,
2.9 V
≤ VI(VIN/SWIN1) ≤ 5.5 V, 2.9 V ≤ VI(SWIN2) ≤ 5.5 V, VI(ENx) = 0 V, VI(LDO_EN) = 5 V, TJ = –40°C to
100
°C (unless otherwise noted)
enable input, ENx (active low)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.8
V
II
Input current, pullup (source)
VI(ENx) = 0 V
5
µA
enable input, ENx (active high)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.8
V
II
Input current, pulldown (sink)
VI(ENx) = 5 V
5
µA
enable input, LDO_EN (active high)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.8
V
II
Input current, pulldown
VI(LDO_EN) = 5 V
5
µA
Falling-edge deglitch (see Note 1)
50
µs
NOTE 1. Specified by design, not tested in production.
thermal shutdown characteristics
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
First thermal shutdown (shuts down switch or regulator
in overcurrent)
Occurs at or above specified temperature
when overcurrent is present.
120
Recovery from thermal shutdown
110
°C
Second thermal shutdown (shuts down all switches and
regulator)
Occurs on rising temperature, irrespective of
overcurrent.
155
°C
Second thermal shutdown hysteresis
10


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