MIC37300(2003) View Datasheet(PDF) - Micrel

Part Name

Description

Manufacturer

MIC37300
(Rev.:2003)

3.0A, Low-Voltage µCap LDO Regulator

Micrel 

MIC37300/37301/37302

Ground Current

vs. Supply Voltage (3.3V)

1.4

1.2

1

0.8

100mA

0.6

0.4

0.2

10mA

00

1

2

3

4

5

SUPPLY VOLTAGE (V)

Ground Current

vs. Temperature

14

12

10

2.5VOUT

8

6

4

2 IOUT=1.5A

0

-40 -20 0 20 40 60 80 100 120

TEMPERATURE (°C)

Short-Circuit Current

vs. Supply Voltage

6

5.5

5

4.5

4

3.5

3

2.5

2

1.5

1

0.5

0

2.25 3 3.75 4.5 5.25 6

SUPPLY VOLTAGE (V)

Flag Low Voltage

vs. Temperature

400

350

300

250

200

150

100

50

Flag Current=250µA

0

-40 -20 0 20 40 60 80 100 120

TEMPERATURE (°C)

M0307-112003

Ground Current

vs. Supply Voltage (3.3V)

70

60

50

3A

40

30

20

2A

10

1A

00

1

2

3

4

5

SUPPLY VOLTAGE (V)

Ground Current

vs. Temperature

45

40

35

2.5VOUT

30

25

20

15

10

5 IOUT=3A

0

-40 -20 0 20 40 60 80 100 120

TEMPERATURE (°C)

Short-Circuit Current

vs. Temperature

6

5

4

2.5VIN

3

2

1

0

-40 -20 0 20 40 60 80 100 120

TEMPERATURE (°C)

Error Flag Pull-Up Resistor

6

Flag High (OK)

5

4

3

2

Flag Low (FAULT)

1

VIN = 5V

0

0.01 0.1 1

10 100 1000 10000

RESISTANCE (kΩ)

6

Micrel

Ground Current

vs. Temperature

0.4

0.35

2.5VOUT

0.3

0.25

0.2

0.15

0.1

0.05 IOUT=10mA

0

-40 -20 0 20 40 60 80 100 120

TEMPERATURE (°C)

Output Voltage

vs. Temperature

2.6

2.55

2.5

2.5VOUT

2.45

2.4

-40 -20 0 20 40 60 80 100 120

TEMPERATURE (°C)

Flag Voltage

vs. Flag Current

1.0

0.8

5VIN

0.6

3.3VIN

0.4

2.5VIN

0.2

0

0 0.5 1 1.5 2 2.5 3 3.5 4

FLAG CURRENT (mA)

Enable Current

vs. Temperature

16

14

12

10

8

6

4

2.5VEN

2

0

-40 -20 0 20 40 60 80 100 120

TEMPERATURE (°C)

November 2003

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