MIC38300HYHL(2007) View Datasheet(PDF) - Micrel

Part Name

Description

MFG CO.

MIC38300HYHL
(Rev.:2007)

3A SuperLNR™ Low Noise High Efficiency Regulator

Micrel 

Micrel, Inc.

Typical Characteristics

MIC38300 PSRR

90

80

70

60

50

40

30

20

10

010

100

1k

10k 100k

FREQUENCY (Hz)

Output Voltage

vs. Temperature

1.88

1.86

1.84

1.82

1.80

1.78

1.76

1.74

1.72

VIN = 3.3V

COUT = 10µF

IOUT = 10mA

20 40 60 80

TEMPERATURE (°C)

Enable Threshold

1.20

1.15

1.10

1.05

1.00

0.95

0.90

0.85

0.803.0

VOUT = 1.8V

COUT = 10µF

3.5 4.0 4.5 5.0 5.5

INPUT VOLTAGE (V)

Load Regulation

1.820

1.815

1.810

1.805

1.800

1.795

1.790

1.785

1.7800

VIN = 3.3V

VOUT = 1.8V

COUT = 10µF

0.5 1.0 1.5 2.0 2.5 3.0

LOAD CURRENT (A)

Thermal Shutdown

2.0

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

VIN = 3.3V

VOUT = 1.8V

0.2 COUT = 10µF

-040 10 60 110 160 210

TEMPERATURE (°C)

6.0

5.5

5.0

4.5

4.0

3.5

3.0

2.5

2.30.0

Current Limit

vs. Input Voltage

VOUT = 1.8V

COUT = 10µF

3.5 4.0 4.5 5.0 5.5

INPUT VOLTAGE (V)

MIC38300

Output Voltage

vs. Input Voltage

2.0

1.8

1.6

1.4

10mA

1.2

1.0

2A

0.8

0.6

0.4 VOUT = 1.8V

0.2 COUT = 10µF

00

1

2

3

4

5

INPUT VOLTAGE (V)

MIC38300 Efficiency

90

80

70

60

50

40

30

20

VIN = 5V

10

VOUT = 3.3V

COUT = 10µF

00 0.5 1.0 1.5 2.0 2.5 3.0

LOAD CURRENT (A)

July 2007

5

M9999-070607

(408) 944-0800

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