Datasheet

V =2.5V
O
V =1.8V
O
V =3.3V
O
100
80
60
40
20
0
0 1.5 3
I -OutputCurrent- A
O
Efficiency-%
20
10.5 2 2.5
V =1.8V
O
V =2.5
O
V =3.3V
O
100
80
60
40
20
0
0.001 0.01 0.1
I -OutputCurrent- A
O
Efficiency-%
100 s/divm
V (50mV/div)
OUT
I (1 A/div)
OUT
EN(10V/div)
V (0.5V/div)
OUT
PG(5V/div)
400 s/divm
TPS54326
SLVSA13E –OCTOBER 2009–REVISED JUNE 2012 www.ti.com
TYPICAL CHARACTERISTICS (continued)
VIN = 12 V, T
A
= 25°C (unless otherwise noted)
spacer
Figure 5. 1.05-V, 0-A TO 3-A LOAD TRANSIERESPONSE Figure 6. START-UP WAVE FORM
Figure 7. EFFICIENCY vs. OUTPUT CURRENT Figure 8. LIGHT LOAD EFFICIENCY vs. OUTPUT
CURRENT
(V
IN
= 12 V)
10 Copyright © 2009–2012, Texas Instruments Incorporated
Product Folder Link(s) :TPS54326