Datasheet

EN
V
IN
= 5V, C
OUT
= 330
µ
F
V
IN
= 5V, C
OUT
= 100
µ
F
V
IN
= 3.3V, C
OUT
= 680
µ
F
V
IN
= 3.3V, C
OUT
= 100
µ
F
C
SS
= 0.01
µ
F
V
OUT
= 1.2V
20ms/div
V
OUT
(500mV/div)
EN
V
IN
= 5V, I
OUT
= 0.5A
V
IN
= 5V, I
OUT
= 1.0A
V
IN
= 5V, I
OUT
= 2.0A
V
IN
= 3.3V, I
OUT
= 1.0A
C
SS
= 0.01
µ
F
V
OUT
= 1.2V
20ms/div
V
OUT
(500mV/div)
V
IN
= 3.3V, I
OUT
= 2.0A
EN
V
IN
= 3.3V, C
SS
= 0.001
µ
F
V
IN
= 5V, C
SS
= 0.001
µ
F
V
IN
= 5V, C
SS
= 0.01
µ
F
V
IN
= 3.3V, C
SS
= 0.01
µ
F
I
OUT
= 1A
V
OUT
= 1.2V
20ms/div
V
OUT
(500mV/div)
EN
I
OUT
= 2A,
C
SS
= 560pF
I
OUT
= 0.5A,
C
SS
= 560pF
I
OUT
= 0.5A, C
SS
= 1500pF
I
OUT
= 2A, C
SS
= 1500pF
V
IN
= 5V
V
OUT
= 3.3V
5ms/div
V
OUT
(2V/div)
EN
V
IN
= 3.3V,
I
OUT
= 1A,
R
S
= 0.020
V
IN
=5V, I
OUT
= 1A,
R
S
= 0.033
V
IN
= 3.3V,
I
OUT
= 1A,
R
S
= 0.033
V
IN
= 5V,
I
OUT
= 1A,
R
S
= 0.020
V
OUT
= 1.2V, C
SS
= 0.01
µ
F
20ms/div
V
OUT
(1V/div)
TPS75003
www.ti.com SBVS052I –OCTOBER 2004–REVISED AUGUST 2010
TYPICAL CHARACTERISTICS (continued)
Measured using circuit in Figure 1.
BUCK START-UP BUCK START-UP
vs vs
V
IN
and I
OUT
(1)
V
IN
and C
OUT
(1)
Figure 10. Figure 11.
BUCK START-UP BUCK START-UP
vs vs
V
IN
and C
SS
(1)
I
OUT
and C
SS
(1)
Figure 12. Figure 13.
BUCK START-UP
vs
V
IN
and R
SENSE
(1)
Figure 14.
(1)xxxSee the section, Soft-Start Capacitor Selection (Buck Controllers) .
(1) See the section, Soft-Start Capacitor Selection (Buck Controllers) .
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