A8735 Ver la hoja de datos (PDF) - Allegro MicroSystems

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A8735

Ultra Small Mobile Phone Xenon Photoflash Capacitor Charger with IGBT Driver

Allegro MicroSystems 

A8735

Ultra Small Mobile Phone Xenon Photoflash

Capacitor Charger with IGBT Driver

Characteristic Performance

Charge Time versus Battery Voltage

Transformer LPRIMARY = 12.8 μH, N =10.25, VIN =3.6 V, COUT = 100 μF / 330 V UCC, at room temperature

20

18

16

14

12

10

8

6

4

2

0

1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5

Battery Voltage (V)

Efficiency versus Battery Voltage

Transformer LPRIMARY = 12.8 μH, N =10.25, VIN =3.6 V, at room temperature

86%

84%

82%

80%

78%

76%

74%

72%

70%

68%

66%

64%

62%

60%

58%

56%

54%

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

Allegro MicroSystems, Inc.

7

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

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