PREMA 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.| Part No. | PR4101 |
|---|---|
| Datasheet | PR4101 Download |
| Manufacturer |  PREMA |
| Description | High Power LED Buck Driver |
| Buy | Stock & Price |
FEATURES
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● 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 ... 40V Vcc VDI CIN Gnd SUB 5VHi NDRV Vsense RVsense PR4101 Rsense L One or more LEDs 5VLo D1 CLED Pin Configurations Test PwrDwn Delay PWM GND SUB 5VHi 1 14 RTK < version code> <lot code> <date code> < version code> <lot code> <date code> 2 3 4 5 6 7 13 12 11 10 9 8 Temp Vsense NDRV VDI Vcc 5VLo RTK GND 5VHi 5VLo 1 2 3 4 8 7 6 5 Vsense NDRV VDI Vcc PR4101A: Package SOP14 Topside marking: version code "PR4101" PR4101B: Package SOP8 Topside marking: version code "PR4101B" © PREMA Semiconductor GmbH 2007-2008 Page 1/20 Rev 4808 LED DRIVER PR4101 Pin
DESCRIPTION
Pin No.
