MIC69151 datasheet(4/9 Pages) MICREL

Part #	MIC69151

Description	Single Supply VIN, Low VIN, Low VOUT, 1.5A LDO

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Manufacturer	MICREL [Micrel Semiconductor]

Direct Link	http://www.micrel.com

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4 / 9 page

Micrel, Inc.

MIC69151/153

July 2010

4

M9999-071210-D

Typical Characteristics

0

10

20

30

40

50

60

70

Power Supply

Rejection Ratio

1K

10K

FREQUENCY (Hz)

VIN = 3.3V

VOUT = 1.8V

IOUT = 0.5A

0

50

100

150

200

250

300

0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6

OUTPUT CURRENT (A)

0

Dropout Voltage

vs. Output Current

VOUT = 1.8V

COUT = 10µF

0

50

100

150

200

250

300

350

400

Dropout Voltage

vs. Temperature

20 40 60 80

TEMPERATURE (°C)

VIN = 3.3V

VOUT = 1.8V

IOUT=1.5A

IOUT=750mA

0

2

4

6

8

10

12

14

16

18

Ground Current

vs. Output Current

800

1200

OUTPUT CURRENT (mA)

VIN = 3V

VOUT = 1.8V

COUT = 10µF

0

2

4

6

8

10

12

14

16

Ground Current

vs. Temperature

20 40 60 80

TEMPERATURE (°C)

VIN = VOUT +1

VOUT = 1.8V

COUT = 10µF

1A

0.5A

0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

0

0.5

1.0 1.5

2.0 2.5

3.0

INPUT VOLTAGE (V)

Output Voltage

vs. Input Voltage

VOUT = 1.8V

COUT = 10µF

1A

750mA

1.70

1.72

1.74

1.76

1.78

1.80

1.82

1.84

1.86

1.88

1.90

Output Voltage

vs. Temperature

20 40 60 80

TEMPERATURE (°C)

VIN = 3.3V

VOUT = 1.8V

IOUT = 10mA

1.8

1.9

2.0

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.8

Current Limit

vs. Temperature

20 40 60 80

TEMPERATURE (°C)

VIN = 3.3V

VOUT = 1.8V

1.786

1.788

1.790

1.792

1.794

1.796

1.798

1.800

1.802

0

0.25 0.5 0.75 1.0 1.25 1.5

OUTPUT CURRENT (A)

Load Regulation

VIN = 3V

VOUT = 1.8V

COUT = 10µF

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Enable Threshold

vs. Temperature

20 40 60 80

TEMPERATURE (°C)

VIN = 2.8V

VOUT = 1.8V

COUT = 10µF

IOUT = 100mA

ON

OFF

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