Datasheet

SW(5V/div)
V (10mV/div)
O
400ns/div
400ns/div
SW(5V/div)
V (50mV/div)
IN
V =3.3V
O
V =1.8V
O
900
800
700
600
500
0 10 20
V -InputVoltage-V
I
f -SwitchingFrequency-kHz
sw
5 15
V =2.5V
O
V =1.8V
O
900
700
500
200
0
0.001 0.01 0.1
I -OutputCurrent- A
O
f -SwitchingFrequency-kHz
sw
800
600
400
300
100
TPS54326
www.ti.com SLVSA13E –OCTOBER 2009–REVISED JUNE 2012
TYPICAL CHARACTERISTICS (continued)
VIN = 12 V, T
A
= 25°C (unless otherwise noted)
spacer
Figure 9. SWITCHING FREQUENCY vs INPUT VOLTAGE Figure 10. SWITCHING FREQUENCY vs OUTPUT
CURRENT
Figure 11. VOLTAGE RIPPLE At OUTPUT Figure 12. VOLTAGE RIPPLE At INPUT
Copyright © 2009–2012, Texas Instruments Incorporated 11
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