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TPS2044B Datasheet(PDF) 8 Page - Texas Instruments

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No. de pieza TPS2044B
Descripción Electrónicos  Current-Limited, Power-Distribution Switches
Download  59 Pages
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

TPS2044B Datasheet(HTML) 8 Page - Texas Instruments

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TPS2041B, TPS2042B, TPS2043B, TPS2044B
TPS2051B, TPS2052B, TPS2053B, TPS2054B
SLVS514M – JUNE 2010 – REVISED JUNE 2016
www.ti.com
Product Folder Links: TPS2041B TPS2042B TPS2043B TPS2044B TPS2051B TPS2052B TPS2053B TPS2054B
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Copyright © 2010–2016, Texas Instruments Incorporated
(1)
Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account
separately.
7.5 Electrical Characteristics
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
POWER SWITCH
rDS(on)
Static drain-source on-state
resistance, 5-V operation
and 3.3-V operation
VI(IN) = 5 V or 3.3 V, IO = 0.5 A,
-40°C
≤ TJ ≤ 125°C
D and DGN packages
70
135
m
DBV package only
95
140
Static drain-source on-state
resistance, 2.7-V operation
VI(IN) = 2.7 V, IO = 0.5 A,
–40°C
≤ TJ ≤ 125°C
D and DGN packages
75
150
m
Static drain-source on-state
resistance, 5-V operation
VI(IN) = 5 V, IO = 1 A, OUT1 and OUT2
connected, 0°C
≤ TJ ≤ 70°C
DGN package,
TPS2042B/52B
49
m
tr
Rise time, output
VI(IN) = 5.5 V
CL = 1 μF,
RL = 10 Ω
TJ = 25°C
0.6
1.5
ms
VI(IN) = 2.7 V
0.4
1
tf
Fall time, output
VI(IN) = 5.5 V
0.05
0.5
VI(IN) = 2.7 V
0.05
0.5
ENABLE INPUT EN AND ENx
VIH
High-level input voltage
2.7 V
≤ VI(IN) ≤ 5.5 V
2
V
VIL
Low-level input voltage
2.7 V
≤ VI(IN) ≤ 5.5 V
0.8
II
Input current
VI(ENx) = 0 V or 5.5 V
–0.5
0.5
μA
ton
Turnon time
CL = 100 μF, RL = 10 Ω
3
ms
toff
Turnoff time
CL = 100 μF, RL = 10 Ω
10
CURRENT LIMIT
IOS
Short-circuit output current
VI(IN) = 5 V, OUT connected to GND,
device enabled into short-circuit
TJ = 25°C
0.75
1
1.25
A
–40°C
≤ TJ ≤ 125°C
0.7
1
1.3
VI(IN) = 5 V, OUT1 and OUT2 connected to
GND, device enabled into short-circuit,
measure at IN
0°C
≤ TJ ≤ 70°C
TPS2042B/52B
1.5
IOC
Overcurrent trip threshold
VIN = 5 V, 100 A/s
TPS2041B/51B
IOS
1.5
1.9
A
TPS2042B/52B
IOS
1.55
2
SUPPLY CURRENT (TPS2041B, TPS2051B)
Supply current, low-level output
No load on OUT, VI(ENx) = 5.5 V,
or VI(ENx) = 0 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,
or VI(ENx) = 5.5 V
TJ = 25°C
43
60
μA
–40°C
≤ TJ ≤ 125°C
43
70
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, IN = ground
TJ = 25°C
0
μA


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