Datasheet

V
IN
CL
ON
A2
B2
C2
GND
B1
OC
C1
V
OUT
A1
Hard-
Short
Detection
Current
Limit
Oscillator
Control
Logic
Thermal
Shutdown
TPS22946
www.ti.com SLVS984A –SEPTEMBER 2009–REVISED FEBRUARY 2010
Functional Block Diagram
Table 2. FUNCTION TABLE
ON CL TPS22946
L x V
IN
to V
OUT
switch is off (open)
H x V
IN
to V
OUT
switch is on (closed)
x H
(1)
Current limit set to 155 mA
x L
(1)
Current limit set to 70 mA
x Float
(2)
Current limit set to 30 mA
(1) Resistance to VCC or GND < 100 Ω
(2) Load on CL: C < 100 pF, R > 10 MΩ
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