MP20045 – LOWER NOISE, 1A LINEAR REGULATOR
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
VIN=3.3V, VOUT=2.8V, CIN=COUT=2.2µF, TA=25°C, unless otherwise noted
Input Power Start Up
IOUT=1A, with Resistor Load
EN Start Up
IOUT=1A, with Resistor Load
Input Power Shutdown
IOUT=1A, with Resistor Load
VIN
VIN
VEN
2V/div
2V/div
5V/div
VOUT
2V/div
VOUT
2V/div
VOUT
1V/div
IOUT
500mA/div
IOUT
500mA/div
IOUT
500mA/div
40us/div
2ms/div
100ms/div
Line Transient
VIN=3.3V to 4.3V, IOUT=1A,
EN Shutdown
IOUT=1A, with Resistor Load
Line Transient
VIN=3.3V to 4.3V, IOUT=100mA,
with Resistor Load
with Resistor Load
VEN
5V/div
VOUT (AC)
10mV/div
VIN
V
OUT (AC)
10mV/div
VIN
VOUT
1V/div
IOUT
1V/div
1V/div
500mA/div
4us/div
400us/div
400us/div
Load Transient
IOUT=50mA to 1A,
with Resistor Load
Power Good Status
Over Current Protection
Entry
VOUT (AC)
50mV/div
VIN
2V/div
VOUT
2V/div
PG
1V/div
VOUT
IOUT
500mA/div
IOUT
500mA/div
500mV/div
100us/div
40us/div
400ms/div
MP20045 Rev. 1.0
10/13/2010
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