Datasheet

TPS22946
www.ti.com SLVS984A –SEPTEMBER 2009–REVISED FEBRUARY 2010
ELECTRICAL CHARACTERISTICS
V
IN
= 1.62 V to 5.5 V, TYP values at T
A
= 25°C (unless otherwise noted)
PARAMETER TEST CONDITIONS T
A
(1)
MIN TYP MAX UNIT
I
OUT
= 0 mA, V
IN
= 4.5 V to 5.5 V Full range 1.5 5
I
IN
Average quiescent current I
OUT
= 0 mA, V
IN
= 3.0 V to 3.6 V 1.3 4 mA
I
OUT
= 0 mA, V
IN
= 1.62 V to 1.98 V 1 3
I
IN(OFF)
OFF state supply current V
ON
= 0 V V
IN
= 3.6 V, V
OUT
open Full range 0.1 1 mA
V
IN
= 3.6 V,
I
OUT(LEAKAGE)
OFF state switch current V
ON
= 0 V Full range 0.1 1.1 mA
V
OUT
short to GND
25°C 0.3 0.4
V
IN
= 5.5 V
Full range 0.45
25°C 0.4 0.5
V
IN
= 3.3 V
Full range 0.55
25°C 0.5 0.6
r
ON
ON-state resistance I
OUT
= -100 mA V
IN
= 2.5 V Ω
Full range 0.65
25°C 0.6 0.8
V
IN
= 1.8 V
Full range 0.85
25°C 0.7 0.9
V
IN
= 1.62 V
Full range 1
I
ON
ON input leakage current V
ON
= V
IN
or GND Full range 1 mA
V
IN
= 1.8 V, V
OUT
= 1.5 V, CL = GND Full range 70 85 120
V
IN
= 3.3 V, V
OUT
= 3.0 V, CL = GND Full range 60 80 115
V
IN
= 1.8 V, V
OUT
= 1.5 V, CL = VIN Full range 155 175 235
I
LIM
Current limit mA
V
IN
= 3.3 V, V
OUT
= 3.0 V, CL = VIN Full range 135 165 230
V
IN
= 1.8 V, V
OUT
= 1.5 V, CL floating Full range 30 45 60
V
IN
= 3.3 V, V
OUT
= 3.0 V, CL floating Full range 28 40 60
I
limit_inrush
Inrush current limit R
l
= 1 Ω, V
IN
= 3.3 V, V
OUT
= 2.3 V Full range 375 435 685 mA
Shutdown threshold 135
Thermal shutdown
(2)
Return from shutdown Full range 125 °C
Hysteresis 10
V
IN
= 5 V, I
SINK
= 10 mA 0.1 0.2
V
OL
OC output logic low voltage Full range V
V
IN
= 1.8 V, I
SINK
= 10 mA 0.1 0.3
I
OH
OC output high leakage current V
IN
= 5 V, Switch ON Full range 1 mA
(1) Full range T
A
= –40°C to 85°C
(2) See the Application Information section of this data sheet.
Copyright © 2009–2010, Texas Instruments Incorporated Submit Documentation Feedback 9
Product Folder Link(s): TPS22946