TPS2046_14 Datasheet, PDF (5/25 Pages) Texas Instruments – DUAL CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES

TPS2046, TPS2056
DUAL CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
SLVS183 – APRIL 1999
electrical characteristics over recommended operating junction temperature range, V_I(IN)= 5.5 V,
I_O = rated current, V_I(ENx) = 0 V, V_I(ENx) = Hi (unless otherwise noted)
power switch
PARAMETER
TEST CONDITIONS†
TPS2046
MIN TYP MAX
TPS2056
UNIT
MIN TYP MAX
VI(IN) = 5 V,
IO = 0.1 A
TJ = 25°C,
80
95
80
95
Static drain-source on-state
resistance, 5-V operation
VI(IN) = 5 V,
IO = 0.1 A
TJ = 85°C,
90 120
90 120
rDS(on)
VI(IN) = 5 V,
IO = 0.1 A
VI(IN) = 3.3 V,
IO = 0.1 A
TJ = 125°C,
TJ = 25°C,
100 135
85 105
100 135 mΩ
85 105
Static drain-source on-state
resistance, 3.3-V operation
VI(IN) = 3.3 V, TJ = 85°C,
IO = 0.1 A
100 135
100 135
VI(IN) = 3.3 V, TJ = 125°C,
IO = 0.1 A
115 150
115 150
tr
Rise time, output
VI(IN) = 5.5 V, TJ = 25°C,
CL = 1 µF,
RL = 20 Ω
2.5
VI(IN) = 2.7 V, TJ = 25°C,
CL = 1 µF,
RL = 20 Ω
3
2.5
ms
3
tf
Fall time, output
VI(IN) = 5.5 V, TJ = 25°C,
CL = 1 µF,
RL = 20 Ω
4.4
VI(IN) = 2.7 V, TJ = 25°C,
CL = 1 µF,
RL = 20 Ω
2.5
4.4
ms
2.5
† _{Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account separately.}
enable input ENx or ENx
PARAMETER
TEST CONDITIONS
VIH High-level input voltage
2.7 V ≤ VI(IN) ≤ 5.5 V
VIL Low-level input voltage
4.5 V ≤ VI(IN) ≤ 5.5 V
2.7 V≤ VI(IN) ≤ 4.5 V
II
Input current
TPS2046 VI(ENx) = 0 V or VI(ENx) = VI(IN)
TPS2056 VI(ENx) = VI(IN) or VI(ENx) = 0 V
ton Turn-on time
CL = 100 µF, RL = 20 Ω
toff Turn-off time
CL = 100 µF, RL = 20 Ω
TPS2046
MIN TYP MAX
2
0.8
0.4
–0.5
0.5
20
40
TPS2056
MIN TYP MAX
2
0.8
0.4
–0.5
0.5
20
40
UNIT
V
V
µA
ms
current limit
PARAMETER
TEST CONDITIONS†
TPS2046
MIN TYP MAX
TPS2056
UNIT
MIN TYP MAX
IOS
Short-circuit output current
VI(IN) = 5 V, OUT connected to GND,
Device enable into short circuit.
0.345 0.44 0.525 0.345 0.44 0.525 A
† _{Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account separately.}
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
5