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DS20005839C-page 7

MIC2800

TABLE 1-4:

ELECTRICAL CHARACTERISTICS - LDO2

Electrical Characteristics: VIN =VOUTLDO2 + 1.0V; EN1 = GND; EN2 = VIN; COUT2 =2.2 µF; IOUTLDO2 =100 µA;

TJ =25°C, bold values indicate –40°C≤ TJ ≤ +125°C; unless noted.

Parameter

Symbol

Min.

Typ.

Max.

Units

Conditions

LOWQ = High (Full Power Mode)

Output Voltage Accuracy

VOUT_ACC

-2.0

—

+2.0

%

Variation from nominal VOUT

-3.0

+3.0

Variation from nominal VOUT;

-40°C to +125°C

Line Regulation

(∆VOUT/VOUT)

/∆VIN

—0.02

0.3

0.6

%/V

VIN =VOUT + 1V to 5.5V;

IOUT = 100 µA

Load Regulation

∆VOUT/VOUT

—

0.20

0.25

0.40

1.5

%

IOUT = 100 µA to 150 mA

IOUT = 100 µA to 200 mA

IOUT = 100 µA to 300 mA

Dropout Voltage

VDO

—

70

94

142

300

mV

IOUT =150 mA; VOUTLDO2 >= 2.7V

IOUT =200 mA; VOUTLDO2 >= 2.7V

IOUT =300 mA; VOUTLDO2 >= 2.7V

Ripple Rejection

PSRR

—

75

—dB

f = up to 1 kHz; COUT =2.2 µF;

CBYP =0.1 µF

40

f = 20 kHz; COUT = 2.2 µF;

CBYP =0.1 µF

Current Limit

ILIM

400

550

850

mA

VOUT =0V

Output Voltage Noise

VN

—25—

µVRMS

COUT = 2.2 µF; CBYP =0.1 µF;

10 Hz to 100 KHz

LOWQ = Low (Light Load Mode)

Output Voltage Accuracy

VOUT_ACC

-3.0

—

+3.0

%

Variation from nominal VOUT

-4.0

+4.0

Variation from nominal VOUT;

-40°C to +125°C

Line Regulation

(∆VOUT/VOUT)

/∆VIN

—0.02

0.3

0.6

%/V

VIN =VOUT + 1V to 5.5V

Load Regulation

∆VOUT/VOUT

—0.2

1.0

%IOUT = 100 µA to 10 mA

Dropout Voltage

VDO

—22

35

50

mV

IOUT =10mA; VOUTLDO2 >= 2.7V

Ripple Rejection

PSRR

—

75

55

—dB

f = up to 1 kHz; COUT =2.2 µF;

CBYP =0.1 µF

f = 20 kHz; COUT = 2.2 µF;

CBYP =0.1 µF

Current Limit

ILIM

50

85

125

mA

VIN = 2.7V; VOUT =0V