CR1510-10

CR1510 Off-Line Digital Green-Mode PWM Controller with Integrated Power BJT 1.0 Features 2.0 Description No-load power consumption <50mW at 230V with The CR1510 is a high performance AC/DC power supply AC typical application circuit control device which uses digital control technology to F P V Supports universal input voltage range (90V to AC This device includes an internal power BJT and operates in 277V ) AC P S D Isolated design without opto-coupler number of key built-in protection features while minimizing the external component count, simplifying EMI design, and Internal 750V power bipolar junction transistor (BJT) P Adapter application - tight constant voltage regulation the need for secondary feedback circuit while achieving W LED SSL application - tight current regulation across for loop compensation components while maintaining stability line and load, and within primary inductance tolerance D 7 I (20%) enables optimized transformer design in universal off-line Supports wide range of capacitive loads (from 33 F to 2000 F or higher) iWatts innovative proprietary technology ensures that power EZ-EMI design enhances manufacturability supplies built with the CR1510 can achieve high average D FSO V Intrinsically low common mode noise startup with a wide range of output voltage, that are ideal for Adaptively controlled soft start-up enables fast and smooth LED current at start-up Optimized 64kHz maximum PWM switching frequency 3.0 Applications Solid-state LED lighting LED lighting ballast Dynamic base current control to drive internal BJT Compact low-power AC/DC adapters/chargers for No external compensation components required cellphones,PDAs, and digital still cameras Built-in short circuit protection and output overvoltage Linear AC/DC replacement protection No audible noise over entire operating range L V DC V OUT- + N + V OUT+ U1 CR1510 1 8 C E 2 I 7 C SENSE V SENSE 6 4 GND 5 V CC Figure 3.1: CR1510 Typical Application Circuit (Non-Isolated SSL Application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ff-Line Digital Green-Mode PWM Controller with Integrated Power BJT L V OUT + + N GND U1 CR1510 1 8 C E 2 I 7 C SENSE V 6 SENSE 4 GND 5 V CC Figure 3.2: CR1510 Typical Application Circuit (Isolated SSL Application) L V OUT + + N GND U1 CR1510 1 8 C E 2 I 7 C SENSE V 6 SENSE GND 4 5 V CC Figure 3.3: CR1510 Typical Application Circuit (Isolated Charger/Adapter Application) REV. 0.4 CR1510 PAGE 2