MIC5353 datasheet(5/12 Pages) MICREL

5 / 12 page

Micrel, Inc.

MIC5353

May 2010

M9999-052510

Typical Characteristics

Dropout Voltage

vs. Output Current

100

120

140

160

180

200

50 100 150 200 250 300 350 400 450 500

OUTPUT CURRENT (mA)

Dropout Voltage

vs. Temperature

100

150

200

250

-40 -20

40 60

80 100 120 140

TEMPERATURE (°C)

150mA

500mA

300mA

Ground Current

vs. Output Current

100

200

300

400

500

Output Current(mA)

VOUT = 2.8V

VIN = 3.8V

Ground Current

vs. Temperature

100

110

120

-40 -20

100 120 140

TEMPERATURE (°C)

IOUT = 500mA

IOUT = 100μA

Output Voltage

vs. Output Current

1.76

1.77

1.78

1.79

1.8

1.81

1.82

1.83

1.84

100 150 200 250 300 350 400 450 500

OUTPUT CURRENT(mA)

VIN=2.8V

COUT=CIN=1μF

Current Limit

vs. Input Voltage

0.8

0.9

1.1

1.2

1.3

1.4

2.53

3.544.5

5.5

INPUT VOLTAGE(V)

VOUT =2.8V

CIN=COUT=1μF

PSRR

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

100

1,000

10,000

100,000

1,000,000 10,000,000

FREQUENCY (Hz)

100µA

300µA

500µA

COUT = 1µF

CBYP = 0.1µF

Output Noise Spectral Density

0.001

0.01

0.1

100

1,000

10,000

100,000

1,000,000 10,000,000

FREQUENCY (Hz)

VIN = 4.5V

COUT = 1µF

VOUT = 1.8V

ILOAD = 50mA

CBYP = 0.1µF

Output Voltage

vs. Input Voltage

2.2

2.4

2.6

2.8

3.2

3.4

3.6

2.6

3.4

3.8

4.2

4.6

5.4

5.8

INPUT VOLTAGE (V)

150mA

100μA

300mA

500mA

VOUT = 2.8V

CIN = COUT = 1μF

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