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TS1451 Scheda tecnica(PDF) 3 Page - Taiwan Semiconductor Company, Ltd |
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TS1451 Scheda tecnica(HTML) 3 Page - Taiwan Semiconductor Company, Ltd |
3 / 7 page TS1451 3-7 2003/12 rev. A Electrical Characteristics (Ta= 25 oC, V CC = 6V, f= 200KHz; unless otherwise specified) REFERENCE SECTION Parameter Test Conditions Min Typ Max Unit Output voltage (Vref) Io=1mA 2.45 2.5 2.6 V Line regulation Vcc= 3.6V to 40V -- 2.0 12.5 Load regulation Io= 0.1mA to 1mA -- 1.0 7.5 mV Output voltage change with temp. ∆Ta=Min to Max -- - 0.2 +/-1 % Short-circuit output current Vref= 0 3 10 30 mA UNDERVOLTAGE LOCKOUT SECTION Parameter Test Conditions Min Typ Max Unit Upper threshold voltage (Vcc) -- 2.65 -- V Lower threshold voltage (Vcc) -- 2.45 -- V Hysterics (Vcc) Io(ref)= 0.1mA 80 200 -- mV SHORT-CIRCUIT PROTECTION CONTROL SECTION Parameter Test Conditions Min Typ Max Unit Input threshold voltage 0.65 0.7 0.75 V Standby voltage No pull up 140 185 --230 mV Latched input voltage No pull up -- 60 120 mV Input (source) current Vin= 0.7V - 10 - 15 - 20 uA Comparator threshold voltage (FB) -- 1.18 -- V OSCILLATOR SECTION Parameter Test Conditions Min Typ Max Unit Frequency CT= 330pF, RT= 10KΩ -- 200 -- KHz Standard deviation of frequency CT= 330pF, RT= 10KΩ -- 10 -- Frequency change with voltage Vcc= 3.6V to 40V -- 1 -- Frequency change with temperature ∆Ta= Min to Max -- -- +/- 2 % DEAD-TIME CONTROL SECTION Parameter Test Conditions Min Typ Max Unit Input bias current -- -- 1 Latch mode (source) current - 80 - 145 -- uA Latch input voltage Io= 40uA 2.3 -- -- Zero duty cycle -- 2.05 2.25 Input threshold voltage at f= 10KHz Maximum duty cycle 1.2 1.45 -- V OUTPUT SECTION Parameter Test Conditions Min Typ Max Unit Leakage current Vo= 40V -- -- 10 uA Output saturation voltage Io= 10mA -- 1.2 2 V Short-circuit output current Vo= 6V -- 90 -- mA |
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