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TL5002CDG4 데이터시트(PDF) 5 Page - Texas Instruments |
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TL5002CDG4 데이터시트(HTML) 5 Page - Texas Instruments |
5 / 18 page TL5002 PULSEWIDTHMODULATION CONTROL CIRCUIT SLVS304A − SEPTEMBER 2000 − REVISED AUGUST 2002 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range, VCC = 6 V, fosc = 100 kHz (unless otherwise noted) undervoltage lockout PARAMETER TEST CONDITIONS TL5002C UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT Upper threshold voltage TA = 25°C 3 V Lower threshold voltage TA = 25°C 2.8 V Hysteresis TA = 25°C 100 200 mV † All typical values are at TA = 25°C. oscillator PARAMETER TEST CONDITIONS TL5002C UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT Frequency Rt = 100 kΩ 100 kHz Standard deviation of frequency 15 kHz Frequency change with voltage VCC = 3.6 V to 40 V 1 kHz TA = − 40°C to 25°C −4 − 0.4 4 kHz Frequency change with temperature TA = − 20°C to 25°C −4 − 0.4 4 kHz Frequency change with temperature TA = 25°C to 85°C −4 − 0.2 4 kHz Voltage at RT 1 V † All typical values are at TA = 25°C. dead-time control PARAMETER TEST CONDITIONS TL5002C UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT Output (source) current TL5002 V(DT) = 1.5 V 0.9 × IRT‡ 1.2 × IRT µA Input threshold voltage Duty cycle = 0% 0.5 0.7 V Input threshold voltage Duty cycle = 100% 1.3 1.5 V † All typical values are at TA = 25°C. ‡ Output source current at RT error amplifier PARAMETER TEST CONDITIONS TL5002C UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT Input voltage VCC = 3.6 V to 40 V 0.3 1.5 V Input bias current − 160 − 500 nA Output voltage swing Positive 1.5 2.3 V Output voltage swing Negative 0.3 0.4 V Open-loop voltage amplification 80 dB Unity-gain bandwidth 1.5 MHz Output (sink) current VI(INV) = 1.2 V, COMP = 1 V 100 600 µA Output (source) current VI(INV) = 0.8 V, COMP = 1 V −45 −70 µA † All typical values are at TA = 25°C. |
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