Datasheet

TPS20xxC, TPS20xxC-2
SLVSAU6G –JUNE 2011–REVISED JULY 2013 www.ti.com
ELECTRICAL CHARACTERISTICS: T
J
= T
A
= 25°C
(1)
(continued)
Unless otherwise noted:, V
IN
= 5 V, V
EN
= V
IN
or V
EN
= GND, I
OUT
= 0 A. See the 'Device Information' table for the rated
current of each part number. Parametrics over a wider operational range are shown in the second 'Electrical Characteristics'
table.
PARAMETER TEST CONDITIONS
(1)
MIN TYP MAX UNIT
V
OUT
= 5 V, V
IN
= 0 V, measure I
VOUT
0.1 1
I
REV
Reverse leakage current µA
–40°C ≤ (T
J
, T
A
) ≤ 85°C, V
OUT
= 5 V, V
IN
= 0 V, measure
5
I
VOUT
OUTPUT DISCHARGE
R
PD
Output pull-down resistance
(3)
V
IN
= V
OUT
= 5 V, disabled TPS20xxC 400 470 600 Ω
(3) 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.
ELECTRICAL CHARACTERISTICS: –40°C ≤ T
J
≤ 125°C
Unless otherwise noted:4.5 V ≤ V
IN
≤ 5.5 V, V
EN
= V
IN
or V
EN
= GND, I
OUT
= 0 A, typical values are at 5 V and 25°C. See the
DEVICE INFORMATION table for the rated current of each part number.
PARAMETER TEST CONDITIONS
(1)
MIN TYP MAX UNIT
POWER SWITCH
0.5 A rated output DBV 97 154 mΩ
DBV 96 154
1 A rated output mΩ
DGN 86 140
R
DS(ON)
Input – output resistance
DBV 76 121 mΩ
1.5 A rated output
DGN 69 112 mΩ
2 A rated output DGN, DGK 72 112 mΩ
ENABLE INPUT (EN or EN)
Threshold Input rising 1 1.45 2 V
Hysteresis 0.07 0.13 0.20 V
Leakage current (V
EN
or V
EN
) = 0 V or 5.5 V –1 0 1 µA
V
IN
= 5 V, C
L
= 1 µF, R
L
= 100 Ω, EN ↑ or EN ↓.
See Figure 2, Figure 4, and Figure 5
t
ON
Turnon time ms
0.5A / 1A Rated 1 1.4 1.8
1.5A / 2A Rated 1.2 1.7 2.2
V
IN
= 5 V, C
L
= 1 µF, R
L
= 100 Ω, EN ↓ or EN ↑.
See Figure 2, Figure 4, and Figure 5
t
OFF
Turnoff time ms
0.5A and 1A Rated 1.3 1.65 2
1.5A / 2A Rated 1.7 2.1 2.5
C
L
= 1 µF, R
L
= 100 Ω, V
IN
= 5 V. See Figure 3
t
R
Rise time, output 0.5A / 1A Rated 0.4 0.55 0.7 ms
1.5A / 2A Rated 0.5 0.7 1.0
C
L
= 1 µF, R
L
= 100 Ω, V
IN
= 5 V. See Figure 3
t
F
Fall time, output 0.5A / 1A Rated 0.25 0.35 0.45 ms
1.5A / 2A Rated 0.3 0.43 0.55
CURRENT LIMIT
0.5 A rated output TPS20xxC 0.65 0.85 1.05
TPS20xxC 1.2 1.55 1.9
1 A rated output
TPS20xxC-2 1.1 1.53 1.96
Current-limit,
I
OS
(2)
A
See Figure 10
TPS20xxC 1.6 2.15 2.7
1.5 A rated output
TPS20xxC-2 1.6 2.23 2.86
2 A rated output TPS20xxC 2.3 2.9 3.6
(1) Pulsed testing techniques maintain junction temperature approximately equal to ambient temperature
(2) See CURRENT LIMIT section for explanation of this parameter.
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