Datasheet

V
EN
(500 mV/DIV)
V
OUT
(500 mV/DIV)
LP5951-1.3
TIME (10 µs/DIV)
I
L
= 150 mA
V
EN
(500 mV/DIV)
V
OUT
(1V/DIV)
LP5951-3.3
TIME (10 µs/DIV)
I
L
= 150 mA
V
IN
(500 mV/DIV)
2.9
ÂV
OUT
(2 mV/DIV)
LP5951-1.3
C
IN
, C
OUT
= 1.0 µF
2.3
TIME (100 µs/DIV)
I
L
= 150 mA
V
IN
(1V/DIV)
4.9
ÂV
OUT
(2 mV/DIV)
LP5951-3.3
C
IN
= 1.0 µF
C
OUT
= 1.5 µF
4.3
TIME (100 µs/DIV)
I
L
= 150 mA
LOAD CURRENT (mA)
0
150
ÂV
OUT
(20 mV/DIV)
LP5951-1.3
C
IN
, C
OUT
= 1.0 µF
TIME (50 µs/DIV)
LOAD CURRENT (mA)
0
150
ÂV
OUT
(20 mV/DIV)
LP5951-3.3
C
IN
= 1.0 µF
C
OUT
= 1.5 µF
TIME (50 µs/DIV)
LP5951
SNVS345F –JUNE 2006–REVISED MAY 2013 www.ti.com
Typical Performance Characteristics
Unless otherwise specified, C
IN
= 1µF ceramic, C
OUT
= 1µF ceramic, V
IN
= V
OUT(NOM)
+ 1V, T
A
= 25°C, Enable pin is tied to V
IN
.
Load Transient Response Load Transient Response
Figure 3. Figure 4.
Line Transient Response Line Transient Response
Figure 5. Figure 6.
Enable Start-up Time Enable Start-up Time
Figure 7. Figure 8.
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