MIC5203-4.5YM4 datasheet(6/10 Pages) MICREL

Part #	MIC5203-4.5YM4

Description	關Cap 80mA Low-Dropout Regulator

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Manufacturer	MICREL [Micrel Semiconductor]

Direct Link	http://www.micrel.com

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6 / 10 page

Micrel, Inc.

MIC5203

November 2009

6

M9999-111909

Typical Characteristics

1

10

100

1000

0.01

0.1

1

10

100

OUTPUT CURRENT (mA)

Dropout Voltage

vs. Output Current

C

IN = 10∝F

C

OUT = 1∝F

0

100

200

300

400

-60 -30 0

30 60 90 120 150

TEMPERATURE (

°C)

Dropout Voltage

vs. Temperature

C

IN = 10∝F

C

OUT = 1∝F

I

L = 100∝A

I

L = 1mA

I

L = 80mA

0

1

2

3

4

01

234 5

6

7

SUPPLY VOLTAGE (V)

Dropout

Characteristics

I

L = 80mA

I

L = 100∝A

C

IN = 10∝F

C

OUT = 1∝F

0

500

1000

1500

2000

0 1020 304050 607080

OUTPUT CURRENT (mA)

Ground Current

vs. Output Current

V

IN = VOUT + 1V

0.0

0.5

1.0

1.5

2.0

01

23

4 5

6

7

SUPPLY VOLTAGE (V)

Ground Current

vs. Supply Voltage

I

L = 50mA

I

L = 100∝A

V

OUT = 3.3V

0.0

0.5

1.0

1.5

2.0

2.5

3.0

-60 -30 0

30 60 90 120 150

TEMPERATURE (

°C)

Ground Current

vs. Temperature

I

L = 50mA

I

L = 100∝A

C

IN = 10∝F

C

OUT = 1∝F

I

L = 80mA

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

0

50

100

150

200

OUTPUT CURRENT (mA)

C

IN = 10∝F

C

OUT = 1∝F

Output Voltage

vs. Output Current

0

20

40

60

80

100

120

140

160

01

23

4 5

6

7

INPUT VOLTAGE (V)

Short Circuit Current

vs. Input Voltage

C

IN = 10∝F

C

OUT = 1∝F

-60

-40

-20

0

20

40

60

-50

0

50

100

-2 02 4

6 8 10 12 14 16

TIME (ms)

Thermal Regulation

(3.3V Version)

C

L = 1∝F

2.4

2.6

2.8

3.0

3.2

3.4

3.6

3.8

4.0

-60 -30 0

30 60 90 120 150

TEMPERATURE (

°C)

Output Voltage

vs. Temperature

C

IN = 10∝F

C

OUT = 1∝F

CURVES APPLICABLE

AT 100

∝A AND 50mA

3 DEVICES

HI / AVG / LO

100

120

140

160

180

200

-60 -30 0

306090 120 150

TEMPERATURE (

°C)

Short Circuit Current

vs. Temperature

C

IN = 10∝F

C

OUT = 1∝F

3.3

3.4

3.5

-60 -30 0

306090 120 150

TEMPERATURE (

°C)

Minimum Supply Voltage

vs. Temperature

I

L = 1mA

VOUT= 3.3V

C

IN = 10∝F

C

OUT = 1∝F

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