Datasheet

TPS27081A
www.ti.com SLVSBE9D –APRIL 2012–REVISED APRIL 2013
ELECTRICAL CHARACTERISTICS
Specified over the recommended junction temperature range TJ = -40°C to 105°C unless otherwise noted. Typical values
specified at TA = TJ = 25°C.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
OFF CHARACTERISTICS
Q1 drain-to-source
BV
IN
V
ON/OFF
= 0 V, VGS(Q1) = 0V, ID(Q1) = 250 µA -8 V
breakdown voltage
T
J
= 25°C 0.15 0.75
I
LOAD
(1)
VIN Pin total leakage current V
IN
= 8V, V
ON/OFF
= 0V, R1 = 10k Ω µA
T
J
= 85°C
(2)
5 20
T
J
= 25°C 0.05
I
LOAD
(1)
VIN Pin total leakage current V
IN
= 5V, V
ON/OFF
= 0V, R1 = 10k Ω µA
T
J
= 85°C
(2)
2
T
J
= 25°C 0.030 0.050
Q2 drain-to-source leakage
IF
Q2
V
IN
= 8V, V
ON/OFF
= 0V uA
current
T
J
= 85°C
(2)
0.350 0.600
T
J
= 25°C 0.025
Q2 drain-to-source leakage
IF
Q2
V
IN
= 5V, V
ON/OFF
= 0V µA
current
T
J
= 85°C
(2)
0.250
ON CHARACTERISTICS
(3)
V
IN
= 5.0V, ID(Q1) < 2µA, R1 = 10kΩ, R2
T
J
= 25°C 0.3
= RL = 0Ω
ON/OFF pin low-level input
VIL V
voltage
V
IN
= 5.0V, ID(Q1) < 20µA, R1 = 10kΩ,
T
J
= 85°C
(2)
0.2
R2 = RL = 0Ω
ON/OFF pin high-level input
VIH VIN=5.0V, R1=10kΩ 1.0 V
voltage
VGS = -4.5 V, ID(Q1) = 3.0 A 32 55
VGS = -3.0 V, ID(Q1) = 2.5 A 44 77
VGS = -2.5 V, ID(Q1) = 2.5 A 50 85
Q1 Channel ON
R
Q1(ON)
mΩ
resistance
(4)
VGS = -1.8 V, ID(Q1) = 2.0 A 82 147
VGS = -1.5 V, ID(Q1) = 1.0 A 93 166
VGS = -1.2 V, ID(Q1) = 0.5 A 155 260
VGS = 4.5 V, ID(Q2) = 0.4 A 1.8 3
VGS = 3.0 V, ID(Q2) = 0.3 A 2.3 6.2
VGS = 2.5 V, ID(Q2) = 0.2 A 2.6 6.1
R
Q2(ON)
Q2 Channel ON resistance Ω
VGS = 1.8 V, ID(Q2) = 0.1 A 3.8 10
VGS = 1.5 V, ID(Q2) = 0.05 A 4.4 8.5
VGS = 1.2 V, ID(Q2) = 0.03 A 6.25 13.5
Q1 DRAIN-SOURCE DIODE PARAMETERS
(3)(5)
Source-drain diode peak
IF
SD
VF
SD
= 0.8 V, V
ON/OFF
= 0 V 1.0 A
forward current
Source-drain diode forward
VF
SD
V
ON/OFF
= 0 V, IF
SD
= –0.6A, 1.0 V
voltage
(1) Pull-up Resistor R1 dependent
(2) Guaranteed by design only
(3) Pulse width <300 µs, Duty Cycle <2.0%
(4) Refer to SOA charts for current rating
(5) Not rated for continuous current operation
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