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TS34063CD Fiches technique(PDF) 2 Page - Taiwan Semiconductor Company, Ltd |
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TS34063CD Fiches technique(HTML) 2 Page - Taiwan Semiconductor Company, Ltd |
2 / 10 page TS34063 Dc to Dc Converter Controller 2/10 Version: A07 Absolute Maximum Rating Parameter Symbol Maximum Unit Supply Voltage VCC 40 V Comparator Input Voltage Range VFB - 0.3 ~ 40 V Switch Collector Output Voltage VC(SW) 40 V Switch Emitter Voltage VE(SW) 40 V Switch Collector to Emitter Voltage VCE(SW) 40 V Driver Collector Voltage VC(DRIVER) 40 V Driver Collector Current (note 1) IC(DRIVER) 100 mA Output Switching Current ISW 1.5 A DIP-8 1.0 Power Dissipation SOP-8 PD 0.5 W Junction Temperature Range TJ +125 oC Storage Temperature Range TSTG -65 ~ +150 oC Note: Maximum package power dissipation limits must be observed Electrical Characteristics (VCC =5V, Ta =25oC; unless otherwise noted.) Parameter Symbol Test Conditions Min Typ Max Unit Oscillator (OSC) Frequency FOSC CT = 1nF, Vpin5= 0V 24 33 42 KHz Charge Current ICHARGE VCC = 5V ~ 40V 24 30 42 uA Discharge Current IDISCHARGE VCC = 5V ~ 40V 140 200 260 uA Discharge to Charge current ratio IDISCHARGE / ICHARGE Pin7 to VCC 5.2 6.5 7.5 -- Current Limit Sense Voltage VIPK(SENSE) IDISCHARGE = ICHARGE 250 -- 350 mV Output switch (note1) Saturation Voltage VCE(SAT) ISW= 1A, pin1, 8 connected -- 1.0 1.3 V Saturation Voltage VCE(SAT) ISW= 1A, Id=50mA -- 0.45 0.7 V DC current gain HFE ISW = 1A, VCE= 0.5V 50 75 -- -- Collector off-state current IC(OFF) VCE = 40V -- 0.01 100 uA Comparator Threshold Voltage VREF 1.225 1.25 1.275 V Line regulation REGLINE VCC = 3V ~ 40V -- -- 6 mV Total device Supply Current ICC VCC = 5V ~ 40V, CT = 1nF, pin7= VCC, pin5> VTH, pin2=Gnd, remaining pins open -- 3 5 mA Notes1: Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient temperature as possible Note 2: If the output switch is driven into hard saturation (non-Darlington configuration) at low switch currents (<=300mA) and high driver currents (>=30mA), it may take up to 2uS for it to come out of saturation. This condition will shorten the off time at frequencies >= 30KHz, and is magnified at high temperature. This condition does not occur with a Darlington configuration, since the output switch cannot saturate. If a non- darlington configuration is used, the following output drive condition is recommended: Forced Bata of output switch: Ic output / (Ic driver – 7mA*) >= 10 * The 100ohm resistor in the emitter of the driver divide requires about 7mA before the output switch conducts. |
Numéro de pièce similaire - TS34063CD |
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