LP38693SD-ADJ Datasheet, PDF (7/22 Pages) Texas Instruments – LP38693-ADJ 500mA Low Dropout CMOS Linear Regulators with Adjustable Output Stable with Ceramic Output Capacitors

LP38691-ADJ, LP38693-ADJ
www.ti.com
SNVS324I – JANUARY 2005 – REVISED APRIL 2013
Typical Performance Characteristics (continued)
Unless otherwise specified: T_J = 25°C, C_IN = C_OUT = 10 µF, enable pin is tied to V_IN (LP38693-ADJ only), V_O = 1.25V, V_IN =
2.7V, I_L = 10mA.
V_REF vs Temperature
Line Transient Response
0.4
V_OUT = 1.25V
0.2
20
C_OUT = 100 PF
10
0
V_OUT
0
-0.2
-10
-0.4
-20
4
-0.6
V_IN
3
-0.8
2
-1
-50 -25 0 25 50 75 100 125
TEMPERATURE (^oC)
Figure 12.
1
200 Ps/DIV
Figure 13.
Line Transient Response
V_OUT = 3.3V
20
C_OUT = 100 PF
10
V_OUT
0
-10
-20
5
V_IN
4
3
200 Ps/DIV
Figure 14.
Line Transient Response
V_OUT = 1.25V
40
C_OUT = 10 PF
20
V_OUT
0
-20
-40
4
V_IN
3
2
1
200 Ps/DIV
Figure 15.
Line Transient Response
V_OUT = 3.3V
100
C_OUT = 10 PF
50
V_OUT
0
-50
-100
5
V_IN
4
3
100 Ps/DIV
Figure 16.
Line Transient Response
V_OUT = 1.25V
100
C_OUT = 1 PF
50
V_OUT
0
-50
-100
4
V_IN
3
2
1
40 Ps/DIV
Figure 17.
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