Datasheet
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ELECTRICAL CHARACTERISTICS
TPS2020 , , TPS2021
TPS2022 , TPS2023 , TPS2024
SLVS175C – DECEMBER 1998 – REVISED SEPTEMBER 2007
over recommended operating junction temperature range, V
I(IN)
= 5.5 V, I
O
= rated current, EN = 0 V (unless otherwise noted)
PARAMETER TEST CONDITIONS
(1)
MIN TYP MAX UNIT
POWER SWITCH
V
I(IN)
= 5 V, T
J
= 25 ° C, I
O
= 1.8 A 33 36
V
I(IN)
= 5 V, T
J
= 85 ° C, I
O
= 1.8 A 38 46
V
I(IN)
= 5 V, T
J
= 125 ° C, I
O
= 1.8 A 44 50
V
I(IN)
= 3.3 V, T
J
= 25 ° C, I
O
= 1.8 A 37 41
V
I(IN)
= 3.3 V, T
J
= 85 ° C, I
O
= 1.8 A 43 52
V
I(IN)
= 3.3 V, T
J
= 125 ° C, I
O
= 1.8 A 51 61
Static drain-source on-state
r
DS(on)
m Ω
resistance
V
I(IN)
= 5 V, T
J
= 25 ° C, I
O
= 0.18 A 30 34
V
I(IN)
= 5 V, T
J
= 85 ° C, I
O
= 0.18 A 35 41
V
I(IN)
= 5 V, T
J
= 125 ° C, I
O
= 0.18 A 39 47
V
I(IN)
= 3.3 V, T
J
= 25 ° C, I
O
= 0.18 A 33 37
V
I(IN)
= 3.3 V, T
J
= 85 ° C, I
O
= 0.18 A 39 46
V
I(IN)
= 3.3 V, T
J
= 125 ° C, I
O
= 0.18 A 44 56
V
I(IN)
= 5.5 V, C
L
= 1 μ F, T
J
= 25 ° C, R
L
= 10 Ω 6.1
t
r
Rise time, output ms
V
I(IN)
= 2.7 V, C
L
= 1 μ F, T
J
= 25 ° C, R
L
= 10 Ω 8.6
V
I(IN)
= 5.5 V, C
L
= 1 μ F, T
J
= 25 ° C, R
L
= 10 Ω 3.4
t
f
Fall time, output ms
V
I(IN)
= 2.7 V, C
L
= 1 μ F, T
J
= 25 ° C, R
L
= 10 Ω 3
ENABLE INPUT ( EN)
V
IH
High-level input voltage 2.7 V ≤ V
I(IN)
≤ 5.5 V 2 V
4.5 V ≤ V
I(IN)
≤ 5.5 V 0.8
V
IL
Low-level input voltage V
2.7 V ≤ V
I(IN)
≤ 4.5 V 0.5
I
I
Input current EN= 0 V or EN = V
I(IN)
– 0.5 0.5 μ A
t
on
Turnon time C
L
= 100 μ F, R
L
= 10 Ω 20
ms
t
off
Turnoff time C
L
= 100 μ F, R
L
= 10 Ω 40
CURRENT LIMIT
TPS2020 0.22 0.3 0.4
TPS2021 0.66 0.9 1.1
T
J
= 25 ° C, V
I
= 5.5 V,
I
OS
Short-circuit output current OUT connected to GND, TPS2022 1.1 1.5 1.8 A
Device enabled into short circuit
TPS2023 1.65 2.2 2.7
TPS2024 2.2 3 3.8
SUPPLY CURRENT
T
J
= 25 ° C 0.3 1
Supply current, low-level output No load on OUT EN = V
I(IN)
μ A
– 40 ° C ≤ T
J
≤
10
125 ° C
T
J
= 25 ° C 58 75
Supply current, high-level output No load on OUT EN = 0 V μ A
– 40 ° C ≤ T
J
≤
75 100
125 ° C
OUT connected – 40 ° C ≤ T
J
≤
Leakage current EN = V
I(IN)
10 μ A
to ground 125 ° C
UNDERVOLTAGE LOCKOUT
Low-level input voltage 2 2.5 V
Hysteresis T
J
= 25 ° C 100 mV
OVERCURRENT ( OC)
Output low voltage I
O
= 10 mA, V
OL(OC)
0.4 V
Off-state current
(2)
V
O
= 5 V, V
O
= 3.3 V 1 μ A
(1) Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account
separately.
(2) Specified by design, not production tested.
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