MP20045 – LOWER NOISE, 1A LINEAR REGULATOR
TYPICAL PERFORMANCE CHARACTERISTICS (
continued
)
V
IN
=3.3V, V
OUT
=2.8V, C
IN
=C
OUT
=2.2uF, T
A
=25°C, unless otherwise noted
Input Power Start Up
I
OUT
=1A, with Resistor Load
Input Power Shutdown
I
OUT
=1A, with Resistor Load
EN Start Up
I
OUT
=1A, with Resistor Load
V
IN
2V/div
V
OUT
2V/div
I
OUT
500mA/div
2ms/div
V
IN
2V/div
V
OUT
2V/div
I
OUT
500mA/div
100ms/div
V
EN
5V/div
V
OUT
1V/div
I
OUT
500mA/div
40us/div
EN Shutdown
I
OUT
=1A, with Resistor Load
Line Transient
V
IN
=3.3V to 4.3V, I
OUT
=100mA,
with Resistor Load
Line Transient
V
IN
=3.3V to 4.3V, I
OUT
=1A,
with Resistor Load
V
EN
5V/div
V
OUT
(AC)
10mV/div
V
IN
1V/div
V
OUT
(AC)
10mV/div
V
IN
1V/div
V
OUT
1V/div
I
OUT
500mA/div
4us/div
400us/div
400us/div
Load Transient
I
OUT
=50mA to 1A,
with Resistor Load
V
OUT
(AC)
50mV/div
Power Good Status
Over Current Protection
Entry
V
IN
2V/div
V
OUT
2V/div
I
OUT
500mA/div
100us/div
PG
1V/div
V
OUT
500mV/div
I
OUT
500mA/div
40us/div
400ms/div
MP20045 Rev. 0.92
1/4/2010
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8
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