LP38690-ADJ_16 Datasheet, PDF (7/27 Pages) Texas Instruments – 1-A Low Dropout CMOS Linear Regulator

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LP38690-ADJ, LP38692-ADJ
SNVS323I – DECEMBER 2004 – REVISED FEBRUARY 2016
Typical Characteristics (continued)
Unless otherwise specified: T_J = 25°C, C_IN = C_OUT = 10 µF, EN pin is tied to V_IN (LP38692-ADJ only), V_OUT = 1.25 V, V_IN = 2.7
V, I_LOAD = 10 mA.
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 7. V_ADJ vs Temperature
V_OUT = 3.3V
20
C_OUT = 100 PF
10
V_OUT
0
1
200 Ps/DIV
Figure 8. Line Transient Response
V_OUT = 1.25V
40
C_OUT = 10 PF
20
V_OUT
0
-10
-20
-20
-40
4
5
V_IN
4
V_IN
3
2
3
200 Ps/DIV
Figure 9. 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 11. Line Transient Response
1
200 Ps/DIV
Figure 10. 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 12. Line Transient Response
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