Datasheet

www.ti.com
V
LOGIC
V
MAIN
V
GH
V
GL
V
IN
= 3.6 V, EN = HIGH,
R
MAIN
= 1 k,
R
GH
= 120 k,
R
GL
= 100 k,
RUN
V
LOGIC
(5 V/div)
V
MAIN
(2 V/div)
V
GH
(5 V/div)
V
GL
(5 V/div)
t − Time − 100 s/div
0
50
100
150
200
250
300
2.5 2.8 3 3.3 3.5 3.8 4 4.3 4.5 4.8 5 5.3 5.5
V
MAIN
= 3.3 V, V
GH
= 7.5 V, V
GL
= −3 V
No-Load Quiescent Current Includes
Output Voltage Divider Network Bias Current
I
Q
− Quiescent Current − I
Q
A
V
IN
− Input Voltage − V
V
LOGIC
V
MAIN
V
GH
V
GL
V
IN
= 3.6 V, EN = HIGH,
R
MAIN
= 1 k,
R
GH
= 120 k,
R
GL
= 100 k,
RUN
V
MAIN
(2 V/div)
V
GH
(5 V/div)
V
GL
(5 V/div)
t − Time − 5 ms/div
V
LOGIC
(5 V/div)
TPS65120, TPS65121, TPS65123, TPS65124
SLVS531A – JUNE 2004 – REVISED MARCH 2005
QUIESCENT CURRENT
vs TPS65120
INPUT VOLTAGE POWER-UP SEQUENCING
Figure 15. Figure 16.
TPS65120
POWER-DOWN SEQUENCING
Figure 17.
13