1-3 Lighting ICs 1-3-1 LED Lighting ICs LC5200 Series LED Driver ICs ■Features ■Absolute Maximum Ratings • AC rectification voltage can be applied directly • Output current IO: Two types available: 0.5 A (LC5205D) and 1 A (LC5210D) • Self-excitation PWM current control method • Undervoltage lockout (UVLO) • Overcurrent protection (OCP) • Thermal shutdown (TSD) Parameter Symbol Main Supply Voltage Output MOSFET Breakdown Voltage Output current*1 REF Input Voltage Sense Voltage Power Dissipation*2 Junction Temperature VBB Vo Io VRef VSen PD Tj θj-a θc-a Ta Tstg Thermal Resistance • DIP-8 type mold package Operating Ambient Temperature Storage Temperature • Supports driving without input electrolytic capacitor Ratings LC5205D Unit LC5210D 450 450 0.5 V V A V V W ℃ 1.0 –0.3 to VREG + 0.3 –0.3 to + 4 1.73 150 72 60 –40 to + 105 –40 to + 150 ℃/W Conditions Excluding when tw is less than 1µs Excluding when tw is less than 1µs When using a Sanken evaluation board When using a Sanken evaluation board ℃ ℃ *1: The output current value may be limited depending on the duty ratio, ambient temperature, and heating condi- • Power factor correction (PFC) application circuit • Triac dimmer control application circuit tions. Do not exceed the junction temperature Tj under any circumstances. *2: The power dissipation PD depends on the pattern layout of the circuit board used. ■Applications • LED light bulbs • LED lighting equipment ■Recommended Operating Conditions Ratings Parameter Main Supply Voltage Output Current (Average) REF Input Voltage Case temperature* Symbol VBB Io VRef Tc LC5205D min. 25 LC5210D max. 400 0.4 0.8 105 min. 25 Unit max. 400 0.8 0.8 105 V A V ℃ *: At the center of the marking (when there is no fin) ■Electrical Characteristics Ratings Parameter Symbol min. Main Supply Current Output MOSFET Breakdown Voltage Output MOSFET ON Resistance Output MOSFET Diode Forward Voltage Reg Output Voltage Reg Maximum Output Current Maximum Input Response Frequency REF Input Voltage REF Input Current Sense Voltage Sense Input Current Overcurrent Sense Voltage UVLO Release Voltage UVLO Operation Voltage TSD Operating Temperature TSD Temperature Hysteresis Blanking Time 142 ICs IBB Conditions IBBs Conditions VDS(BR) Conditions RDS(on) Conditions VF Conditions VReg Conditions IReg fclk Conditions VRef IRef VSen ISen Vocp Conditions VUVLOon Conditions VUVLOoff Conditions TTSD Conditions TTSDhys Conditions tBLK LC5205D typ. 2.0 During operation 0.8 When the output is off max. 1.2 450 11.5 min. LC5210D typ. 2.0 During operation 0.8 When the output is off mA 1.2 mA 450 ID=1mA 3.5 ID=0.5A 0.8 ID=0.5A 12.0 IReg=0.1mA 12.5 11.5 ID=1mA 1.7 ID=1.0A 0.88 ID=1.0A 12.0 IReg=0.1mA 2 200 V Ω V 12.5 V 2 mA 200 duty=50% 0 VRef –30 Unit max. ±10 VRef ±10 3 At the Sen pin 14 At the VBB voltage 13 At the VBB voltage 150 Control IC chip temperature 55 Control IC chip temperature 400 kHz duty=50% 1 VRef +30 0 VRef –30 1 ±10 VRef ±10 3 At the Sen pin 14 At the VBB voltage 13 At the VBB voltage 150 Control IC chip temperature 55 Control IC chip temperature 400 VRef +30 V µA mV µA V V V ℃ ℃ ns LC5200 Series ■External Dimensions (DIP8) (Unit : mm) Pin No. 1 2 3 4 5 6 7 8 9.4±0.3 5 1 4 1.52 +0.3 -0.05 6.5±0.2 8 +0.3 1.0 -0.05 ■Pin Assignment Symbol Reg PWM Ref Sen OUT VBB NC GND Function 12-V Reg output pin CR connection pin for setting PWM Reference voltage input pin for controlling PWM Load current sense pin Load output pin Main power supply pin Pin removed Device ground pin 3.3±0.2 4.2±0.3 7.5±0.5 3.4±0.1 7.6TYP 0.25 +0.1 -0.05 2.54TYP 0~15° 0.89TYP 0~15° 0.5±0.1 ■Ta-PD Characteristics ■Block Diagram Control IC PWM Allowable Package Power Dissipation PD in Watts OUT Ambient Temperature Ta [°C] ■Typical Connection Diagram ICs 143