A4407 데이터 시트보기 (PDF) - Allegro MicroSystems

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A4407

2.2 MHz Constant On-Time Buck Regulator With Two External and Two Internal Linear Regulators

Allegro MicroSystems 

A4407

2.2 MHz Constant On-Time Buck Regulator

With Two External and Two Internal Linear Regulators

5.50

5.49

5.48

5.47

5.46

5.45

5.44

5.43

5.42

5.41

5.40

-40

Characteristic Performance

VREG Output versus Temperature

-20 0 20 40 60 80 100 120 140

Temperature (°C)

1,400

1,300

1,200

1,100

1,000

900

800

700

600

500

400

300

200

100

0

-40 -20

TON versus Temperature

VIN (V)

7.5

13.5

27

35

0 20 40 60 80 100 120 140

Temperature (°C)

V5 Output versus Temperature

5.05

5.04

5.03

5.02

5.01

5.00

4.99

4.98

4.97

4.96

4.95

-40 -20 0 20 40 60 80 100 120 140

Temperature (°C)

3V3 Output versus Temperature

3.33

V5P Output versus Temperature

5.05

5.04

5.03

5.02

5.01

5.00

4.99

4.98

4.97

4.96

4.95

-40 -20 0 20 40 60 80 100 120 140

Temperature (°C)

1V2 Output versus Temperature

1.220

3.32

1.215

3.31

1.210

3.30

1.205

3.29

1.200

3.28

1.195

3.27

-40 -20 0 20 40 60 80 100 120 140

Temperature (°C)

1.190

-40 -20 0 20 40 60 80 100 120 140

Temperature (°C)

Allegro MicroSystems, Inc.

9

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

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