LP2985_10 Datasheet, PDF (12/27 Pages) Texas Instruments – 150-mA LOW-NOISE LOW-DROPOUT REGULATOR WITH SHUTDOWN

LP2985
SLVS522M – JULY 2004 – REVISED MARCH 2009 .......................................................................................................................................................... www.ti.com
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
C_IN = 1 µF, C_OUT = 4.7 µF, V_IN = V_OUT(NOM) + 1 V, T_A = 25°C, ON/OFF pin tied to V_IN (unless otherwise specified)
LINE TRANSIENT RESPONSE
LINE TRANSIENT RESPONSE
3.41
5.5
3.41
5.5
3.39
3.37
3.35
3.33
3.31
3.29
3.27
3.41
V_O = 3.3 V
C_byp = 0 nF
I_O = 150 mA
5
V_I
4.5
4
3.5
V_O
3
2.5
2
20 µs/div"
Figure 21.
LINE TRANSIENT RESPONSE
5.5
3.39
3.37
3.35
3.33
3.31
3.29
3.27
3.41
V_I
V_O = 3.3 V
C_byp = 10 nF
I_O = 150 mA
V_O
20 µs/div"
Figure 22.
LINE TRANSIENT RESPONSE
5
4.5
4
3.5
3
2.5
2
5.5
3.39
3.37
3.35
3.33
V_O = 3.3 V
C_byp = 0 nF
I_O = 1 mA
5
V_I
4.5
4
3.5
3.39
3.37
3.35
3.33
V_O = 3.3 V
C_byp = 10 nF
I_O = 1 mA
5
V_IN
4.5
4
3.5
3.31
3
3.31
V_O
3
3.29
2.5
3.29
2.5
V_O
3.27
2
3.27
2
20 µs/div"
100 µs/div"
Figure 23.
Figure 24.
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