MIC2800-ADJSLASH1.2SLASH3.3YML datasheet(7/20 Pages) MICREL

7 / 20 page

Micrel, Inc.

MIC2800

September 2007

M9999-090507-C

Electrical Characteristics - LDO2

VIN = VOUTLDO2 + 1.0V; EN1 = GND; EN2 = VIN; COUT2 = 2.2µF; IOUTLDO2 = 100µA; TJ = 25°C, bold values indicate

–40°C< TJ < +125°C; unless noted.

Parameter

Conditions

Min

Typ

Max

Units

LOWQ = High (Full Power Mode)

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

0.02

0.3

0.6

%/V

Load Regulation

IOUT = 100µA to 150mA

IOUT = 100µA to 200mA

IOUT = 100µA to 300mA

0.20

0.25

0.40

1.5

Dropout Voltage

IOUT = 150mA

IOUT = 200mA

IOUT = 300mA

142

300

Ripple Rejection

f = up to 1kHz; COUT = 2.2µF; CBYP = 0.1µF

f = 20kHz; COUT = 2.2µF; CBYP = 0.1µF

Current Limit

VOUT = 0V

400

550

850

Output Voltage Noise

COUT = 2.2µF, CBYP =0.1µF, 10Hz to 100kHz

µVRMS

LOWQ = Low (Light Load Mode)

Variation from nominal VOUT

-3.0

+3.0

Output Voltage Accuracy

Variation from nominal VOUT; -40°C to +125°C

-4.0

+4.0

Line Regulation

VIN = VOUT +1V to 5.5V

0.02

0.3

0.6

%/V

Load Regulation

IOUT = 100µA to 10mA

0.2

1.0

Dropout Voltage

IOUT = 10mA

Ripple Rejection

f = up to 1kHz; COUT = 2.2µF; CBYP = 0.1µF

f = 20kHz; COUT = 2.2µF; CBYP = 0.1µF

Current Limit

VIN = 2.7V; VOUT = 0V

125

Notes:

1. Exceeding the absolute maximum rating may damage the device.

2. The device is not guaranteed to function outside its operating rating.

3. The maximum allowable power dissipation of any TA (ambient temperature) is PD(max) = (TJ(max) – TA) / θJA. Exceeding the maximum allowable power

dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown.

4. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.

5. Specification for packaged product only.

6. VOUT denotes the highest of the three output voltage plus one volt.

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