Datasheet

TPS2112A
TPS2113A
www.ti.com SBVS045C –MARCH 2004–REVISED MAY 2012
RECOMMENDED OPERATING CONDITIONS
TPS2112A, TPS2113A
MIN NOM MAX UNIT
V
I(IN2)
≥ 2.8 V 1.5 5.5
Input voltage at IN1, V
I(IN1)
V
V
I(IN2)
< 2.8 V 2.8 5.5
V
I(IN1)
≥ 2.8 V 1.5 5.5
Input voltage at IN2, V
I(IN2)
V
V
I(IN1)
< 2.8 V 2.8 5.5
Input voltage: V
I(EN)
, V
I(VSNS)
0 5.5 V
TPS2112APW 0.31 0.75
A
Nominal current limit adjustment range,
TPS2113APW 0.63 1.25
I
O(OUT)
(1)
TPS2113ADRB, T
J
≤ 105°C 0.63 2 A
Operating virtual junction temperature, T
J
–40 125 °C
(1) Minimum recommended current limit is based on accuracy considerations.
ELECTRICAL CHARACTERISTICS: Power Switch
Over recommended operating junction temperature, R
ILIM
= 400 Ω, unless otherwise noted.
TPS2112A TPS2113A
PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNIT
V
I(IN1)
= V
I(IN2)
= 5.0 V 120 140 84 110
T
J
= 25°C,
V
I(IN1)
= V
I(IN2)
= 3.3 V 120 140 84 110 mΩ
I
L
= 500 mA
Drain-source
V
I(IN1)
= V
I(IN2)
= 2.8 V 120 140 84 110
on-state
r
DS(on)
(1)
resistance
V
I(IN1)
= V
I(IN2)
= 5.0 V 220 150
(INx−OUT)
T
J
= 125°C,
V
I(IN1)
= V
I(IN2)
= 3.3 V 220 150 mΩ
I
L
= 500 mA
V
I(IN1)
= V
I(IN2)
= 2.8 V 220 150
(1) The TPS211xA can switch a voltage as low as 1.5 V as long as there is a minimum of 2.8 V at one of the input power pins. In this
specific case, the lower supply voltage has no effect on the IN1 and IN2 switch on-resistances.
ELECTRICAL CHARACTERISTICS
Over recommended operating junction temperature, I
O(OUT)
= 0 A, and R
ILIM
= 400 Ω, unless otherwise noted.
TPS2112A, TPS2113A
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
LOGIC INPUTS (EN)
High-level input voltage V
IH
2 V
Low-level input voltage V
IL
0.7 V
EN = High, sink current 1
Input current μA
EN = Low, source current 0.5 1.4 5
SUPPLY AND LEAKAGE CURRENTS
V
I(VSNS)
= 1.5 V, EN = Low (IN1 active),
55 90
V
I(IN1)
= 5.5 V, V
I(IN2)
= 3.3 V
V
I(VSNS)
= 1.5 V, EN = Low (IN1 active),
1 12
V
I(IN1)
= 3.3 V, V
I(IN2)
= 5.5 V,
Supply current from IN1 (operating) μA
V
I(VSNS)
= 0 V, EN = Low (IN2 active),
75
V
I(IN1)
= 5.5 V, V
I(IN2)
= 3.3 V
V
I(VSNS)
= 0 V, EN = Low (IN2 active),
1
V
I(IN1)
= 3.3 V, V
I(IN2)
= 5.5 V
V
I(VSNS)
= 1.5 V, EN = Low (IN1 active),
1
V
I(IN1)
= 5.5 V, V
I(IN2)
= 3.3 V
V
I(VSNS)
= 1.5 V, EN = Low (IN1 active),
75
V
I(IN1)
= 3.3 V, V
I(IN2)
= 5.5 V
Supply current from IN2 (operating) μA
V
I(VSNS)
= 0 V, EN = Low (IN2 active),
1 12
V
I(IN1)
= 5.5 V, V
I(IN2)
= 3.3 V
V
I(VSNS)
= 0 V, EN = Low (IN2 active),
55 90
V
I(IN1)
= 3.3 V, V
I(IN2)
= 5.5 V
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