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LC5225S 데이터시트(PDF) 4 Page - Sanken electric |
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LC5225S 데이터시트(HTML) 4 Page - Sanken electric |
4 / 11 page Electrical Characteristics Unless specifically noted, TA is 25°C, VBB = 140 V Characteristic Symbol Test Conditions Pins1 Min. Typ. Max. Unit Power Supply Current IBBS Output off 6 – 8 (7 – 8) ― 1 1.5 mA IBB Normal operation 6 – 8 (7 – 8) ― 2.5 4.0 mA Output MOSFET Breakdown Voltage V(BR)DSS LC5222D/S ID = 1 mA 5 – 4 (5, 6 – 4) 250 ―― V LC5225D/S 450 ―― V Output MOSFET On-Resistance RDS(ON) LC5222D/S ID = 0.5 A 5 – 4 (5, 6 – 4) ― 1.2 2.2 Ω LC5225D/S ID = 0.5 A ― 3.5 6 Ω Body Diode Forward Voltage Vf LC5222D/S If = 0.5 A 4 − 5 (4 – 5, 6) ― 0.8 1.0 V LC5225D/S If = 0.5 A ― 0.8 0.9 V UVLO Threshold (Turn on) VUVLO(ON) VBB pin voltage 6 – 8 (7 – 8) ― 14 ― V UVLO Threshold (Turn off) VUVLO(OFF) VBB pin voltage 6 – 8 (7 – 8) ― 12 ― V REG Pin Output Voltage VREG IREG = 0 mA 1 − 8 9.6 10 10.4 V REG Pin Output Current IREG VREG = 9 V 1 − 8 −2 ―― mA Enable Output Threshold Voltage VENB REF pin voltage 3 − 8 ― 0.15 0.19 V Sleep Mode Threshold Voltage VSLP REF pin voltage 3 − 8 2.85 3.0 ― V REF Pin Current IREF 3 − 8 −10 ― 10 μA Current Control Detection Voltage2 VSEN VREF = 0.2 to 2.0 V 4 − 8 0.4 × VREF − 0.03 0.4 × VREF 0.4 × VREF + 0.03 V VREF = 2.0 to 3.0 V 0.77 0.8 0.83 V OCP Detection Voltage2 VOCP VREF = 0.2 to 2.0 V 4 − 8 ― 0.4 × VREF + 0.7 ― V VREF = 2.0 to 3.0 V ― 1.5 ― V SEN Pin Current ISEN 4 − 8 −10 ― 10 μA PWM Pin Low Voltage VPWM(L) 2 − 8 ― 2 ― V PWM Pin High Voltage VPWM(H) 2 − 8 ― 3 ― V PWM Pin Output Current IPWM 2 − 8 ―−20 ―μA PWM Blanking Time tBLK(P) ―― 0.3 ―μs OCP Blanking Time tBLK(O) ―― 0.2 ―μs PWM Operation Frequency fPWM Duty cycle = 50% 2 − 8 ―― 200 kHz PWM Off Time toff CPWM = 100 pF ―― 17 ―μs Output MOSFET Rise Time tr IO = 0.4 A 5 – 4 (5, 6 – 4) ― 25 ― ns Output MOSFET Fall Time tf IO = 0.4 A 5 – 4 (5, 6 – 4) ― 50 ― ns Thermal Shutdown Threshold3 TTSD ―― 150 ― °C Thermal Shutdown Hysteresis3 TTSD(HYS) ―― 55 ― °C 1 Where the pin numbers differ between the DIP8 and the SOP8 packages, the SOP8 pin number is written in parentheses. 2 The REF pin has different functions, depending on the voltage. Please refer to REF Pin Voltage Characteristics section. 3 Chip temperature of control IC, TJ. LC5222D/25D and LC5222S/25S 4 SANKEN ELECTRIC CO., LTD. LC5222D/25D_22S/25S-DS Off-Line DC/DC LED Driver ICs August 8, 2012 |
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