Datasheet

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
SLUS564C − JULY 2003 − REVISED OCTOBER 2008
22
www.ti.com
TYPICAL CHARACTERISTICS
Figure 16
VREG5 OUTPUT VOLTAGE
vs
VREG5 OUTPUT CURRENT
I
VREG
− VREG5 Output Current − mA
V
VREG5
− VREG5 Output Voltage − V
4.5
4.3
4.7
4.8
5.0
5.1
−20 −40 −60 −80 −1000
4.4
4.6
4.9
5.2
V
VIN
= 12 V
T
A
= 25°C
t − Time − 100 ms / div
Figure 17. Load Transient Response
V
OUT1
50 mV/div
I
OUT1
2 A/div
f
OSC
= 290 kHz
V
IN
= 20 V, V
OUT1
= 2.5 V
1 A ≤ I
OUT1
≤ 6 A, 1A/ms
Figure 18. Simultaneous Startup
t − Time − 5 ms / div
PGOOD
2 V/ div
V
OUT1
1 V/div
V
OUT2
500 mV/div
t − Time − 5 ms / div
Figure 19. Offset Startup
V
OUT1
1 V/div
V
OUT2
500 mV/div
PGOOD
2 V/ div