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UM10570 Datasheet(PDF) 3 Page - NXP Semiconductors |
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UM10570 Datasheet(HTML) 3 Page - NXP Semiconductors |
3 / 11 page UM10570 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved. User manual Rev. 1 — 5 June 2012 3 of 11 NXP Semiconductors UM10570 4-channel universal mains CC LED driver demo board 1. Introduction The SSL4101DB02 4-channel demo board demonstrates the LED driving capabilities of the SSL4101 and UBA3070 devices. Each channel is individually dimmable using Pulse Width Modulation (PWM) or an analog signal. The circuit implements a universal mains low THD PFC, a highly efficient flyback controller and four Boundary Conduction Mode (BCM) buck converters. The BCM buck converter is a true switch-mode current source. The overall efficiency for the unit from AC input to 4-channel DC output is 92 %. The complete solution meets all safety and EMI regulations. Key features include: • Up to 92 % efficiency • Low THDI and high PF • User configured output current requiring no custom-made magnetic components • Intrinsically protected against short-circuit, open-load and overtemperature conditions • BCM buck converters operate as true switch-mode current sources • Low-cost LED driver solution • Small form factor • PWM or analog dimming • Independent or combined control of channels • No LED binning required Applications: Typical target applications for the 4-channel demo board include: • Street lighting • High and low bay lighting • Refrigeration lighting WARNING Lethal voltage and fire ignition hazard The non-insulated high voltages that are present when operating this product, constitute a risk of electric shock, personal injury, death and/or ignition of fire. This product is intended for evaluation purposes only. It shall be operated in a designated test area by personnel qualified according to local requirements and labor laws to work with non-insulated mains voltages and high-voltage circuits. This product shall never be operated unattended. |
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