
MP20249 – DUAL, ULTRA-LOW NOISE, HIGH PSRR 200mA LINEAR REGULATOR
MP20249 Rev1.0 www.MonolithicPower.com 8
12/15/2010 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
V
IN
= (V
OUT
+ 0.5 V) or 2.3V (whichever is greater), EN = V
IN
, I
OUT
= 10mA, V
OUT1
=2.8V, V
OUT2
=1.2V,
C
IN
= C
OUT1,2
= 1µF, T
A
= 25°C, unless otherwise noted.
V
OUT1
2V/div
V
OUT2
1V/div
V
IN
2V/div
I
IN
200mA/div
V
OUT1
2V/div
V
OUT2
2V/div
V
IN
2V/div
I
IN
200mA/div
V
OUT1
2V/div
V
OUT2
2V/div
EN
5V/div
I
IN
200mA/div
V
OUT1
10mV/div
V
IN
10m/div
V
OUT2
2V/div
2ms/div
2V/div
1s/div
I
OUT
20mA/div
V
OUT1
20mV/div
I
OUT
20mA/div
V
OUT2
50mV/div
Input Power Start Up
Input Power Shut Down
EN Start Up
V
OUT1
2V/div
V
OUT2
2V/div
EN
5V/div
I
IN
200mA/div
EN Shut Down
I
OUT1
=I
OUT2
=200mA
I
OUT1
=I
OUT2
=200mA I
OUT1
=I
OUT2
=200mA I
OUT1
=I
OUT2
=200mA
Line Transient
V
IN
=3V to 6V, V
OUT1
=2.8V
V
OUT2
=1.2V, I
OUT1
=I
OUT2
=200mA
Load Transient
V
IN
=3.3V, V
OUT1
=2.8V
I
OUT
=1mA to 60mA, with Resistor Load
Load Transient
V
IN
=3.3V, V
OUT2
=1.2V
I
OUT
=1mA to 60mA, with Resistor Load