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TL494 Datasheet(PDF) 4 Page - Unisonic Technologies |
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TL494 Datasheet(HTML) 4 Page - Unisonic Technologies |
4 / 7 page TL494 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 4 of 7 www.unisonic.com.tw QW-R103-004,F ELECTRICAL CHARACTERISTICS (Over recommended operating free-air temperature range, VCC=15V, f=1kHz, Unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Reference Section Output Voltage VOUT IOUT=1mA 4.75 5 5.25 V Input Regulation VIN VCC=7V ~ 40V 2 25 mV Output Regulation VOUT IOUT=1 ~ 10mA 1 15 mV Output Voltage Change with Temperature ΔTa=MIN ~ MAX(note 2) 0.2 1 % Short-Circuit Output Current IO(SC) VREF=0 35 mA Oscillator Section Frequency F CT=0.01μF, RT=12kΩ 10 kHz Standard Deviation of Frequency All Values of VCC CT, RT, TA constant 10 % Frequency Change with Voltage VCC=7V ~ 40V,Ta=25°C 0.1 % Frequency Change with Temperature CT=0.01μF, RT=12kΩ, ΔTa=MIN ~ MAX 12 % Amplifier Section Input Offset Voltage Error VI(OFF) VOUT (pin 3)=2.5V 2 10 mV Input Offset Current II(OFF) VOUT (pin 3)=2.5V 25 250 nA Input Bias Current II(BIAS) VOUT (pin 3)=2.5V 0.2 1 μA Common-Mode Input Voltage Range Error VCC=7V ~ 40 V -0.3 ~ Vcc-2 V Open-Loop Voltage Amplification ΔV OUT=3V, VOUT=0.5V ~ 3.5V 70 95 dB Unity-Gain Bandwidth GBW 800 kHz Common-Mode Rejection Ratio Error CMRR VCC=40V,TA=25°C 65 80 dB Output Sink Current(pin 3) IO(SINK) VID=-15mV ~ -5V V(pin 3)=0.5V 0.3 0.7 mA Output source Current(pin 3) IO(SOURCE) VID=15mV ~ -5V, V(pin 3)=3.5V -2 mA Output Section Collector off-state current IC(OFF) VCE=40V, VCC=40V 2 100 μA Emitter off-state Current IE(OFF) VCC=VC=40V, VE=0 -100 μA Common-emitter VE=0, IC=200mA 1.1 1.3 V Collector -emitter Saturation Voltage Emitter-Follower VC=15V, IE=-200mA 1.5 2.5 Output Control Input Current VIN=VREF 3.5 mA Dead Time Control Section Input bias (pin 4) II(BIAS) VIN=0 ~ 5.25V -2 -10 μA Maximum duty cycle, each output VIN(pin 40)=0 45 % Input threshold Voltage(pin 4) VTHR Zero duty Cycle 3 3.3 V Maximum duty cycle 0 PWM comparator Section Input Threshold Voltage(pin 3) VTHR Zero Duty cycle 4 4.5 V Input Sink Current (pin 3) II(SINK) V(pin 3)= 0.7V 0.3 0.7 mA Total Device VCC =15V 6 10 mA Standby Supply Current VCC =40V IST-BY pin 6 at VREF, all other Inputs and outputs open 9 15 Average supply current V(pin 4)=2V 7.5 mA Switching Characteristics, Ta=25 °C Output Voltage Rise Time tR 100 200 ns Output Voltage Fall Time tF Common-emitter configuration 25 100 ns Output Voltage Rise Time tR 100 200 ns Output Voltage Fall Time tF Emitter-follower configuration 40 100 ns Note 1:All typical Values except for temperature coefficient are at Ta=25 °C. Note 2:For conditions shown as MIN or MAX, use appropriate value under recommended operating conditions. Note 3:Duration of the short-circuit should not exceed one second. Note 4:Standard deviation is a measure of the statistical distribution the mean as derived from the formula: |
Similar Part No. - TL494_09 |
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