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MIC2225 Datasheet(PDF) 5 Page - Micrel Semiconductor

Part No. MIC2225
Description  2MHz 600mA Synchronous Buck Regulator with 300mA LDO
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Maker  MICREL [Micrel Semiconductor]
Homepage  http://www.micrel.com
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MIC2225 Datasheet(HTML) 5 Page - Micrel Semiconductor

 
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Micrel, Inc.
MIC2225
February 2008
5
M9999-022008-D
Electrical Characteristics LDO
(4)
COUTLDO = 2.2µF, IOUTLDO = 100µA; TJ = 25°C, bold values indicate –40°C < TJ < +125°C; unless noted.
Parameter
Condition
Min
Typ
Max
Units
Input Voltage
2.7
5.5
V
Variation from nominal VOUT
–2.0
+2.0
%
Output Voltage Accuracy
Variation from nominal VOUT; –40°C to +125°C
–3.0
+3.0
%
Line Regulation
VIN = VOUT +1V to 5.5V; IOUT = 100µA
0.2
%
Turn-on Time
ILOAD = 300mA
30
µs
Load Regulation
IOUT = 100µA to 300mA @ VIN = VOUT + 1
0.70
%
Dropout Voltage, Note 5
IOUT = 300mA @ VIN = 2.7V
210
mV
Ripple Rejection
f = 1kHz; COUT = 2.2µF
f = 20kHz; COUT = 2.2µF
43
17
dB
dB
Current Limit
VOUT = 0V
400
mA
Output Voltage Noise
COUT = 2.2µF, 10Hz to 100kHz
470
µVRMS
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
4. Specification for packaged product only.
5. Dropout voltage is defined as the input-to-output differential at which the output voltage drops 2% below its nominal value that is initially measured at
a 1V differential. For outputs below 2.7V, the dropout voltage is the input-to-output voltage differential with a minimum input voltage of 2.7V.


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