A8514 데이터 시트보기 (PDF) - Allegro MicroSystems

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A8514

Wide Input Voltage Range, High Efficiency Fault Tolerant LED Driver

Allegro MicroSystems 

A8514

Wide Input Voltage Range, High Efficiency

Fault Tolerant LED Driver

Efficiency for Various LED Configurations

ILED = 70 mA, LED Vf ≈ 3.2 V

96

94

92

90

88

86

84

82

80

78

5

7

9

11 13 15 17

Input Voltage, VIN (V)

4 strings, 6 series LEDs each

4 strings, 7 series LEDs each

4 strings, 8 series LEDs each

Efficiency for Various LED Configurations

ILED = 80 mA, LED Vf ≈ 3.2 V

100

95

90

85

80

75

5

7

9

11 13 15 17

Input Voltage, VIN (V)

4 strings, 6 series LEDs each

4 strings, 7 series LEDs each

4 strings, 8 series LEDs each

Allegro MicroSystems, Inc.

10

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

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