MIC2954(1999) データシートの表示（PDF） - Micrel

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MIC2954
(Rev.:1999)

250mA Low-Dropout Regulator

Micrel 

MIC2954

Micrel

Load Transient Response

800

VIN =6V

400

VOUT =5V

0

-400

CL=2.2µF

-800

250mA

100µA

0 10 20 30 40

TIME (mS)

10 Enable Transient

8

CL=2.2µF

6

4

2

0

2

0

01

CL=33µF

I L=10mA

VIN =14V

VOUT =5V

2 345

TIME (mS)

Load Transient Response

200

VIN =6V

100

VOUT =5V

0

CL=33µF

-100

-200

250mA

100µA

0

10 20 30 40 50 60

TIME (mS)

Enable Transient

6

CL=2.2µF

4

2

CL=33µF

0

I L=10mA

2

VIN =6V

VOUT =5V

0

01 2 3 4 5

TIME (mS)

Dropout Characteristics

6

5

4

I L=100µA

3

I L=250mA

2

1

0

01

234 5 6

INPUT VOLTAGE (VOLTS)

Short Circuit and Maximum

Current vs. Temperature

700

650 VOUT = VNOMINAL – 0.5V

600

VOUT = 3.3V

550

500

3 SAMPLES

(HI/AVG/LO)

450

400

350

VOUT = 0V

300

-60 -30 0 30 60 90 120 150

TEMPERATURE (°C)

Thermal Regulation

15

10

5

0

-5

4

2

0

0 10 20 30 40

TIME (mS)

August 1999

7

MIC2954

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