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TS494 Datasheet(PDF) 3 Page - Taiwan Semiconductor Company, Ltd |
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TS494 Datasheet(HTML) 3 Page - Taiwan Semiconductor Company, Ltd |
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3 / 7 page  TS494 3-7 2003/12 rev. A Electrical Characteristics (Ta=25 oC, V CC = 15V, CT= 0.01uF, RT= 12kΩ; unless otherwise specified.) REFERENCE SECTION Parameter Test Conditions* Min Typ Max Unit Output voltage (Vref) Io=1mA 4.75 5 5.25 V Line regulation Vcc= 7V to 40V -- 2.0 25 Load regulation Io= 1mA to 10mA -- 3.0 15 mV Output voltage change with temp. ∆Ta=Min to Max -- 0.2 1 % Short-circuit output current*** Vref= 0 15 35 75 mA OSCILLATOR SECTION Frequency CT= 0.001µF, RT= 30KΩ -- 40 -- KHz Standard deviation of frequency**** CT= 0.001µF, RT= 30KΩ -- 3.0 -- Frequency change with voltage Vcc= 7V to 40V -- 0.1 -- Frequency change with temperature*** CT= 0.001µF, RT= 30KΩ ∆Ta= Min to Max -- -- 12 % ERROR AMPLIFIER SECTION Input offset voltage Vo= (pin 3)= 2.5V -- 2.0 10 mV Input offset current Vo= (pin 3)= 2.5V -- 5.0 250 nA Input bias current Vo= (pin 3)= 2.5V -- -0.1 -1.0 µA Common-mode input voltage range Vcc= 7V to 40V -0.3 toVcc-2 V Open-loop voltage amplification ∆Vo= 3V, RL=2KΩ, Vo= 0.5 to 3.5V 70 95 -- dB Unity-gain bandwidth RL= 2KΩ, Vo= 0.5 to 3.5V -- 800 -- KHz Common-mode rejection ratio ∆Vo= 40V 65 90 -- dB Power Supply Rejection Ratio ∆Vcc= 33V, Vo= 2.5V, RL= 2KΩ -- 100 -- dB Output sink current (pin 3) VID= -15mV to -5V, V(pin3)= 0.7V 0.3 0.7 -- mA Output source current (pin 3) VID= 15mV to 5V, V(pin3)= 3.5V 2.0 -4.0 -- mA OUTPUT SECTION Collector off-state current VCE= 40V, VCC= 40V -- 2.0 100 Emitter off-state current Vcc= 40V, VE= 0 -- -- -100 µA Common-emitter VE= 0, Ic= 200mA -- 1.1 1.3 Collector-emitter saturation voltage Emitter-follower Vc= 15V, IE= -200mA -- 1.5 2.5 V Output control input current VI= Vref -- -- 3.5 mA DEAD-TIME CONTROL SECTION Input bias current (pin 4) VI= 0 to 5.25V -- -2.0 -10 µA Maximum duty cycle, each output Vi(pin 4)= 0, CT= 0.1µF, RT= 12KΩ -- 45 50 % Zero duty cycle -- 3.0 3.3 Input threshold voltage(pin 4) Maximum duty cycle 0 -- -- V |
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