MIC2800 Datasheet, PDF (6/21 Pages) Micrel Semiconductor – Digital Power Management IC 2MHz, 600mA DC/DC w/Dual 300mA/300mA Low VIN LDOs

Micrel, Inc.
MIC2800
Electrical Characteristics - LDO1
V_IN = V_OUTDC/DC; EN1 = V_IN; EN2 = GND; C_OUT1 = 2.2µF, I_OUT1 = 100µA; T_J = 25°C, bold values indicate
–40°C< T_J < +125°C; unless noted.
Parameter
Conditions
Min Typ
LOWQ = High (Full Power Mode)
Output Voltage Accuracy
Output Current Capability
Load Regulation
Current Limit
Ripple Rejection
Output Voltage Noise
Variation from nominal V_OUT
Variation from nominal V_OUT; -40°C to +125°C
V_IN > 1.8V
V_IN > 1.5V
I_OUT = 100µA to 150mA
I_OUT = 100µA to 300mA
V_OUT = 0V
f = up to 1kHz; C_OUT = 2.2µF; C_BYP = 0.1µF
f = 20kHz; C_OUT = 2.2µF; C_BYP = 0.1µF
C_OUT = 2.2µF; C_BYP = 0.1µF; 10Hz to 100KHz
LOWQ = Low (Light Load Mode)
Output Voltage Accuracy
Load Regulation
Variation from nominal V_OUT
Variation from nominal V_OUT; -40°C to +125°C
I_OUT = 100µA to 10mA
-2.0
-3.0
300
120
0.17
0.3
350 500
70
44
30
-3.0
-4.0
0.2
Current Limit
Ripple Rejection
V_OUT = 0V
f = up to 1kHz; C_OUT = 2.2µF; C_BYP = 0.1µF
f = 20kHz; C_OUT = 2.2µF; C_BYP = 0.1µF
50
85
70
42
Max Units
+2.0
+3.0
1.5
700
%
%
mA
mA
%
%
mA
dB
dB
µV_RMS
+3.0
%
+4.0
%
0.5
%
1.0
%
125
mA
dB
dB
June 2006
6
M9999-061406
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