A8510 데이터 시트보기 (PDF) - Allegro MicroSystems

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A8510

Wide Input Voltage Range, High Efficiency Fault Tolerant LED Driver

Allegro MicroSystems 

A8510

Wide Input Voltage Range, High Efficiency

Fault Tolerant LED Driver

Typical Characteristic Performance

VIN Input Sleep Mode Current

versus Ambient Temperature

5

4

3

2

1

0

-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110

Temperature (°C)

Switching Frequency

versus Ambient Temperature

2.20

2.15

2.10

2.05

2.00

1.95

1.90

1.85

1.80

-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110

Temperature (°C)

OVP Pin Sense Current

versus Ambient Temperature

210

208

206

204

202

200

198

196

194

192

190

-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110

Temperature (°C)

VIN UVLO Rising Threshold Voltage

versus Ambient Temperature

4.40

4.35

4.30

4.25

4.20

4.15

4.10

4.05

4.00

-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110

Temperature (°C)

VIN UVLO Falling Threshold Voltage

versus Ambient Temperature

3.70

3.69

3.68

3.67

3.66

3.65

3.64

3.63

3.62

3.61

3.60

-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110

Temperature (°C)

OVP Pin Overvoltage Threshold

versus Ambient Temperature

8.4

8.3

8.2

8.1

8.0

7.9

7.8

7.7

7.6

-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110

Temperature (°C)

Allegro MicroSystems, Inc.

8

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

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