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PR4101

PREMA
Part Number PR4101
Manufacturer PREMA
Description High Power LED Buck Driver
Published Jun 29, 2014
Detailed Description LED DRIVER PR4101 High Power LED Buck Driver PR4101 The PR4101 is a LED buck driver for driving one or several high pow...
Datasheet PDF File PR4101 PDF File

PR4101
PR4101

Overview
LED DRIVER PR4101 High Power LED Buck Driver PR4101 The PR4101 is a LED buck driver for driving one or several high power LEDs in series.
The supply voltage can be up to 40V, with an output current of more than 1A using an external N-channel MOSFET switching transistor.
The PR4101A with additional PWM and power down input is delivered SOP14 packaged, while the PR4101B is offered SO8 packaged.
Features • • • • • • • • • • Adjustable output current of several amps Supply voltage up to 40V Dimming with phase-cut dimmer Brightness control with PWM (PR4101A only) Output current temperature compensation Delayed start possible (PR4101A only) Over temperature protection Frequency spreading for improved EMI Low standby current of < 35 µA Under voltage lockout Applications • Halogen lamp or filament bulb replacement by LEDs • General illumination • Warning lights • Automotive lighting • Indicator signs • LCD backlighting Typical Application Vcc 7V .
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40V Vcc VDI CIN Gnd SUB 5VHi NDRV Vsense...


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