LP38691SD-3.3 Datasheet, PDF (7/27 Pages) Texas Instruments – LP38693 500mA Low Dropout CMOS Linear Regulators Stable with Ceramic Output Capacitors

LP38691, LP38693
www.ti.com
SNVS321K – JANUARY 2005 – REVISED APRIL 2013
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise specified: T_J = 25°C, C_IN = C_OUT = 10 µF, Enable pin is tied to V_IN (LP38693 only), V_OUT = 1.8V, V_IN = V_OUT
+1V, I_L = 10mA.
Noise vs Frequency
Noise vs Frequency
Figure 9.
Noise vs Frequency
Figure 11.
Ripple Rejection
60
50
40
30
20 ^{COUT = 100 PF}
V_IN(DC) = 5.3V
10 ^{VIN(AC) = 1V(p-p)}
V_OUT = 3.3V
0
10
100
1k
10k
100k
FREQUENCY (Hz)
Figure 13.
Figure 10.
Ripple Rejection
60
50
40
30
20 ^COUT ^{= 10 PF}
V_IN(DC) = 5.3V
10 ^{VIN(AC) = 1V(p-p)}
V_OUT = 3.3V
0
10
100
1k
10k
FREQUENCY (Hz)
Figure 12.
100k
Ripple Rejection
60
50
40
30
C_OUT = 1 PF
20 _{VIN(DC) = 5.3V}
V_IN(AC) = 1V(p-p)
10 V_OUT = 3.3V
0
10
100
1k
10k
FREQUENCY (Hz)
Figure 14.
100k
Copyright © 2005–2013, Texas Instruments Incorporated
Product Folder Links: LP38691 LP38693
Submit Documentation Feedback
7