UM0670 datasheet(9/43 Pages) STMICROELECTRONICS

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STEVAL-ILL013V1 technical details

UM0670

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Doc ID 15327 Rev 2

STEVAL-ILL013V1 technical details

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80 W LED driver

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350 mA, 700 mA and 1 A LED current settings

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PF = 0.99 with VIN = 110 V or PF = 0.98 with VIN = 230 V

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THD (total harmonic distortion) = 4.6 and VIN = 110 V or THD = 10.3 and VIN = 230 V

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High PFC boost converter operating in transition mode

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Modified buck converter working in CCM and using FOT network

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Switching frequency f = 125 kHz / 350 mA (modified buck converter)

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Switching frequency f = 69 kHz / 700 mA (modified buck converter)

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Switching frequency f = 55 kHz / 1000 mA (modified buck converter)

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The same inductor and transformer core used (E25)

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Supply voltage provided for external PWM generator

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Board size: 130 mm x 60 mm x 27 mm

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Optional external PWM generator (non isolated)

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Full brightness if PWM generator is not connected

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Two output connectors for LEDs

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High efficiency (~90%)

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Wide input voltage range: 88 V to 265 VAC

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Brightness regulation between 0% and 100%

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EMI filter implemented

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EN55015 and EN61000-3-2 tested

Figure 5.

STEVAL-ILL013V1 with PWM module

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