LC5200_12

1-3 Lighting ICs 1-3-1 LED Lighting ICs LC5200 Series LED Driver ICs ■Features • AC rectification voltage can be applied directly Parameter Symbol VBB Vo Io VRef VSen PD Tj θ j-a θ c-a Ta Tstg ■Absolute Maximum Ratings Ratings LC5205D 450 450 0.5 –0.3 to VREG + 0.3 –0.3 to + 4 1.73 150 72 60 –40 to + 105 –40 to + 150 1.0 LC5210D Unit V V A V V W ℃ ℃/W ℃ ℃ Conditions Main Supply Voltage Output MOSFET Breakdown Voltage Output current*1 REF Input Voltage Sense Voltage Power Dissipation*2 Junction Temperature Thermal Resistance Operating Ambient Temperature Storage Temperature • 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) • DIP-8 type mold package • Supports driving without input electrolytic capacitor • Power factor correction (PFC) application circuit • Triac dimmer control application circuit Excluding when tw is less than 1 µs Excluding when tw is less than 1 µs 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 conditions. 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 min. 25 LC5205D max. 400 0.4 0.8 105 min. 25 LC5210D max. 400 0.8 0.8 105 Unit V A V ℃ *: At the center of the marking (when there is no fin) ■Electrical Characteristics Ratings Parameter Symbol min. 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 ID=1mA 3.5 ID=0.5A 0.8 ID=0.5A 12.0 IReg=0.1mA max. min. LC5210D typ. 2.0 During operation 0.8 When the output is off ID=1mA 1.7 ID=1.0A 0.88 ID=1.0A 12.0 IReg=0.1mA Unit max. mA 1.2 mA V Ω V 12.5 V 2 200 duty=50% 0 VRef –30 ±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 1 VRef +30 0 VRef –30 ±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 duty=50% 1 VRef +30 kHz V µA mV µA V V V ℃ ℃ ns mA Main Supply Current 1.2 450 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 450 11.5 12.5 2 11.5 200 142 ICs LC5200 Series ■External Dimensions (DIP8) 9.4±0.3 8 5 (Unit : mm) ■Pin Assignment Pin No. 1 2 3 4 5 6 7 8 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 1 1.0 -0.05 +0.3 4 1.52 +0.3 -0.05 7.6TYP 7.5±0.5 3.4±0.1 3.3±0.2 4.2±0.3 6.5±0.2 0.25 +0.1 -0.05 2.54TYP 0.89TYP 0.5±0.1 0~15° 0~15° ■Block Diagram OUT ■Ta-PD Characteristics PWM Allowable Package Power Dissipation PD in Watts Control IC Ambient Temperature Ta [°C] ■Typical Connection Diagram ICs 143