APW7209CI-TRG

APW7209 1MHz, High-Efficiency, Step-Up Converter for 2 to 10 White LEDs Features • • • • • • • • • • • Wide Input Voltage from 2.5V to 6V 0.3V Reference Voltage Fixed 1MHz Switching Frequency High Efficiency up to 88% 100Hz to 100kHz PWM Brightness Control Frequency Open-LED Protection Under-Voltage Lockout Protection Over-Temperature Protection 2KV, VMM > 200V 10ms, 1tr > 100mA Classification Reflow Profiles Profile Feature Average ramp-up rate (TL to TP) Preheat - Temperature Min (Tsmin) - Temperature Max (Tsmax) - Time (min to max) (ts) Time maintained above: - Temperature (TL) - Time (tL) Peak/Classification Temperature (Tp) Time within 5°C of actual Peak Temperature (tp) Ramp-down Rate Time 25°C to Peak Temperature Sn-Pb Eutectic Assembly 3°C/second max. 100°C 150°C 60-120 seconds 183°C 60-150 seconds See table 1 10-30 seconds 6°C/second max. 6 minutes max. Pb-Free Assembly 3°C/second max. 150°C 200°C 60-180 seconds 217°C 60-150 seconds See table 2 20-40 seconds 6°C/second max. 8 minutes max. Note: All temperatures refer to topside of the package. Measured on the body surface. C opyright © A NPEC Electronics Corp. Rev. A.3 - Jul., 2008 13 www.anpec.com.tw APW7209 Classification Reflow Profiles (Cont.) Table 1. SnPb Eutectic Process – Package Peak Reflow Temperatures Package Thickness