LP38693SD-ADJ Datasheet, PDF (8/22 Pages) Texas Instruments – LP38693-ADJ 500mA Low Dropout CMOS Linear Regulators with Adjustable Output Stable with Ceramic Output Capacitors

LP38691-ADJ, LP38693-ADJ
SNVS324I – JANUARY 2005 – REVISED APRIL 2013
www.ti.com
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.
Line Transient Response
Load Transient Response
100
V_OUT = 3.3V
C_OUT = 1 PF
200
C_OUT = 10 PF
100
50
V_OUT
0
0
V_OUT
-100
-50
-100
V_IN
-200
0.5
I_LOAD
5
4
0.01
3
100 Ps/DIV
Figure 18.
40 Ps/DIV
Figure 19.
Load Transient Response
400
C_OUT = 1 PF
200
0
V_OUT
-200
-400
0.5
I_LOAD
0.01
10 Ps/DIV
Figure 20.
Enable Voltage vs Temperature
2.3
2.1
V_IN = 10V
1.9
1.7
1.5
V_IN = 6V
1.3
1.1
0.9
V_IN = 4V
0.7
0.5
-50 -25
0 25 50 75 100 125
TEMPERATURE (^oC)
Figure 21.
Load Regulation vs Temperature
-1.0
-1.5
-2.0
Line Regulation vs Temperature
0.034
0.032
0.03
0.028
-2.5
-3.0
-3.5
-50 -25
0 25 50 75 100 125
TEMPERATURE (^oC)
Figure 22.
0.026
0.024
0.022
0.02
-50 -25 0 25 50 75 100 125
TEMPERATURE (^oC)
Figure 23.
8
Submit Documentation Feedback
Copyright © 2005–2013, Texas Instruments Incorporated
Product Folder Links: LP38691-ADJ LP38693-ADJ