ZSLS7031 Isolated and Nonlined Anti-excite LED Driver Case with Advanced PFC

ZSLS7031 is a peak current mode high-brightness LED flyback drive that supports active power factor correction (PFC). Isolation and non-isolated design. The device operates constant frequencies in discontinuous conduction mode to provide constant power to the output. It does not require optical couplers, TL431 shunt regulators or any other type of secondary side feedback device. It works at the wide input voltage range of 85VAC ~ 265VAC. The ZSLS7031 integrates overcurrent and overvoltage protection, and thermal shutdown to stop switching operation at an abnormal operating temperature. ZSLS7031 advantage high efficiency Minimum list of materials Small package No need to compensate Isolation and non-isolation applications ZSLS7031 main features Power factor PF "0.95, depending on the application Wide Application Input Voltage Range: 85V ~ 265VAC Interior over temperature protection Output overvoltage protection (OVP) Output overcurrent protection (OCP) on the primary side Applicable support Evaluation kit ZSLS7031 Physical Characteristics Work temperature: -45 ° C ~ 105 ° C Maximum junction temperature: 150 ° C Package: MSOP-8, in line with ROHS standards ZSLS7031 typical application LED bulb lamp LED pipe lamp General LED lighting Figure 1 ZLS7031 block diagram Figure 2 ZSLS7031 typical isolation application circuit diagram Template ZSLS7031KIT-D1 ZSLS7031 LED driver IC is designed for buck boost and flying back to topology. This circuit operates in peak current detection and constant frequency mode. Figure 3 Demo panel ZSLS7031KIT-D1 profile ZSLS7031KIT-D1 demo suite content ZSLS7031PCB-D1 presentation board -17W flyback converter ZSLS7031ZI1R (MSOP8 3MM3MM) 5 IC samples ZSLS7031KIT-D1 startup information Presentation Board ZSLS7031KIT-D1 Main Characteristics Universal supply voltage range (85VAC ~ 265VAC) Active power factor correction power factor is usually more than 90% High efficiency usually exceeds 85% A small number of external components Overcurrent, overvoltage and over temperature protection 15W constant power output From 9 (about 24V forward voltage) ~ 19 (52V) LED load; if you use 230VAC, you can use up to 6 LED (17V) loads. Quick Start Figure 4 Template ZSLS7031KIT-D1 circuit diagram Be Template ZSLS7031KIT-D1 Material List Figure 5 Demo Zsls7031KIT-D1 PCB design, technology area LED light box controller wiring diagram (three LED light box controller wiring diagram) TI TPS92830-Q1 three-way large current linear LED control scheme Method for improving high brightness of automobile LED forward lights using SOC drive Easy LED Table Light Dimming Circuit Figure Daquan (Six LED Table Light Dimming Simulation Circuit Design Principle 12VLED constant current drive circuit diagram Daquan (six analog circuit design schematic diagram)

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