DN68
DN68 is ZXSC310 High power torch reference design manufactured by Zetex Semiconductors.
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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
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 7.5H 1 F 220F 100F Part number ZXSC310E5 FMMT617 ZHCS2000
Schematic diagram ments LED driver in SOT23-5 Low sat. NPN in SOT23 2A Schottky in SOT23
Manufacturer Contact details Zetex Zetex Zetex .zetex. .zetex. .zetex.
DO3316P-153x...