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TPS2044B Datasheet(PDF) 9 Page - Texas Instruments

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No. de pieza TPS2044B
Descripción Electrónicos  Current-Limited, Power-Distribution Switches
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

TPS2044B Datasheet(HTML) 9 Page - Texas Instruments

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TPS2041B, TPS2042B, TPS2043B, TPS2044B
TPS2051B, TPS2052B, TPS2053B, TPS2054B
www.ti.com
SLVS514M – JUNE 2010 – REVISED JUNE 2016
Product Folder Links: TPS2041B TPS2042B TPS2043B TPS2044B TPS2051B TPS2052B TPS2053B TPS2054B
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Copyright © 2010–2016, Texas Instruments Incorporated
Electrical Characteristics (continued)
over recommended operating junction temperature range, VI(IN) = 5.5 V, IO = 0.5 A, VI(/ENx) = 0 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS(1)
MIN
TYP
MAX
UNIT
(2)
The thermal shutdown only reacts under overcurrent conditions.
SUPPLY CURRENT (TPS2042B, TPS2052B)
Supply current, low-level output
No load on OUT, VI(ENx) = 5.5 V
TJ = 25°C
0.5
1
μA
–40°C
≤ TJ ≤ 125°C
0.5
5
Supply current, high-level output
No load on OUT, VI(ENx) = 0 V
TJ = 25°C
50
70
μA
–40°C
≤ TJ ≤ 125°C
50
90
Leakage current
OUT connected to ground, VI(ENx) = 5.5 V
–40°C
≤ TJ ≤ 125°C
1
μA
Reverse leakage current
VI(OUTx) = 5.5 V, IN = ground
TJ = 25°C
0.2
μA
SUPPLY CURRENT (TPS2043B, TPS2053B)
Supply current, low-level output
No load on OUT, VI(ENx) = 0 V
TJ = 25°C
0.5
2
μA
–40°C
≤ TJ ≤ 125°C
0.5
10
Supply current, high-level output
No load on OUT, VI(ENx) = 5.5 V
TJ = 25°C
65
90
μA
–40°C
≤ TJ ≤ 125°C
65
110
Leakage current
OUT connected to ground, VI(ENx) = 0 V
–40°C
≤ TJ ≤ 125°C
1
μA
Reverse leakage current
VI(OUTx) = 5.5 V, INx = ground
TJ = 25°C
0.2
μA
SUPPLY CURRENT (TPS2044B, TPS2054B)
Supply current, low-level output
No load on OUT, VI(ENx) = 5.5 V,
or VI(ENx) = 0 V
TJ = 25°C
0.5
2
μA
–40°C
≤ TJ ≤ 125°C
0.5
10
Supply current, high-level output
No load on OUT, VI(ENx) = 0 V,
or VI(ENx) = 5.5 V
TJ = 25°C
75
110
μA
–40°C
≤ TJ ≤ 125°C
75
140
Leakage current
OUT connected to ground, VI(ENx) = 5.5 V,
or VI(ENx) = 0 V
–40°C
≤ TJ ≤ 125°C
1
μA
Reverse leakage current
VI(OUTx) = 5.5 V, INx = ground
TJ = 25°C
0.2
μA
UNDERVOLTAGE LOCKOUT
Low-level input voltage, IN, INx
2
2.5
V
Hysteresis, IN, INx
TJ = 25°C
75
mV
OVERCURRENT OC and OCx
Output low voltage, VOL(/OCx)
IO(OCx) = 5 mA
0.4
V
Off-state current
VO(OCx) = 5 V or 3.3 V
1
μA
OC deglitch
OCx assertion or deassertion
4
8
15
ms
THERMAL SHUTDOWN(2)
Thermal shutdown threshold
135
°C
Recovery from thermal shutdown
125
°C
Hysteresis
10
°C
(1)
Soldered PowerPAD on a standard 2-layer PCB without vias for thermal pad. See TI application note SLMA002 for further details.
(2)
Soldered PowerPAD on a standard 4-layer PCB with vias for thermal pad. See TI application note SLMA002 for further details.
7.6 Dissipation Ratings
PACKAGE
THERMAL
RESISTANCE,
θJA
TA ≤ 25°C
POWER RATING
DERATING FACTOR
ABOVE TA = 25°C
TA = 70°C
POWER RATING
TA = 85°C
POWER RATING
DGN-8
1712.3 mW
17.123 mW/°C
941.78 mW
684.93 mW
D-8
585.82 mW
5.8582 mW/°C
322.20 mW
234.32 mW
D-16
898.47 mW
8.9847 mW/°C
494.15 mW
359.38 mW
DBV-5
285 mW
2.85 mW/°C
155 mW
114 mW
DRB-8 (Low-K)(1)
270 °CW
370 mW
3.71 mW/°C
203 mW
148 mW
DRB-8 (High-K)(2)
60 °CW
1600 mW
16.67 mW/°C
916 mW
866 mW


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