TPS732xx
www.ti.com
SBVS037I–AUGUST 2003–REVISED MAY 2006
TYPICAL CHARACTERISTICS (continued)
For all voltage versions at TJ = 25°C, VIN = VOUT(nom) + 0.5V, IOUT = 10mA, VEN = 1.7V, and COUT = 0.1µF, unless otherwise
noted.
TPS73233
LOAD TRANSIENT RESPONSE
TPS73233
LINE TRANSIENT RESPONSE
µ
µ
µ
VIN = 3.8V
COUT = 0
F
F
F
IOUT = 250mA
50mV/tick
50mV/tick
VOUT
VOUT
VOUT
µ
COUT = 0
F
50mV/div
VOUT
COUT = 1
µ
COUT = 100
F
COUT = 10
50mV/div
1V/div
VOUT
50mV/tick
50mA/tick
dVIN
dt
5.5V
µ
= 0.5V/
s
250mA
4.5V
VIN
10mA
IOUT
µ
µ
10 s/div
10 s/div
Figure 21.
Figure 22.
TPS73233
TURN-ON RESPONSE
TPS73233
TURN-OFF RESPONSE
Ω
RL = 1k
Ω
RL = 20
VOUT
µ
COUT = 0
F
COUT = 10µF
RL = 20Ω
COUT = 1µF
RL = 20Ω
1V/div
1V/div
1V/div
1V/div
µ
COUT = 1
F
Ω
RL = 1k
RL = 20Ω
COUT = 10
µ
COUT = 0
F
µ
F
VOUT
2V
2V
VEN
0V
0V
VEN
µ
100 s/div
µ
100 s/div
Figure 23.
Figure 24.
IENABLE vs TEMPERATURE
TPS73233
POWER UP / POWER DOWN
10
1
6
5
4
3
2
1
0
VIN
VOUT
0.1
0.01
−
−
1
2
50ms/div
−
−
25
50
0
25
50
75
100
125
Temperature (°C)
Figure 25.
Figure 26.
9
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