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DN68 - ZXSC310 High power torch reference design

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Description

This design note shows a typical ZXSC310 LED driver circuit for a high powered LED torch.

The input voltage ranges from 0.7V to 1.6V with a maximum output current of 335mA at 1.4V input.

A typical schematic diagram is shown in Figure 1.

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Datasheet Details

Part number DN68
Manufacturer Zetex Semiconductors
File Size 108.59 KB
Description ZXSC310 High power torch reference design
Datasheet download datasheet DN68 Datasheet
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www.DataSheet4U.com DN68 ZXSC310 High power torch reference design Description This design note shows a typical ZXSC310 LED driver circuit for a high powered LED torch. The input voltage ranges from 0.7V to 1.6V with a maximum output current of 335mA at 1.4V input. A typical schematic diagram is shown in Figure 1. D1 VIN U1 Vcc L1 Q1 Vdrive C1 Stdn Isense Gnd C2 C3 ZXSC310 R1 Figure 1 Reference Value U1 Q1 D1 L1 R1 C1 C2 C3 2A 7.5␮H 1 ␮F 220␮F 100␮F Part number ZXSC310E5 FMMT617 ZHCS2000 Schematic diagram Comments LED driver in SOT23-5 Low sat. NPN in SOT23 2A Schottky in SOT23 Manufacturer Contact details Zetex Zetex Zetex www.zetex.com www.zetex.com www.zetex.com DO3316P-153x2 Coilcraft Generic Generic Generic Generic Table 1 www.coilcraft.
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