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TL598 Fiches technique(PDF) 5 Page - Texas Instruments |
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TL598 Fiches technique(HTML) 5 Page - Texas Instruments |
5 / 10 page TL598 PULSE-WIDTH-MODULATION CONTROL CIRCUITS SLVS053C – FEBRUARY 1988 – REVISED JULY 1999 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range, VCC =15V (unless otherwise noted) undervoltage lockout section (see Note 4) PARAMETER TEST CONDITIONS† TL598C TL598Q UNIT PARAMETER TEST CONDITIONS† MIN MAX MIN MAX UNIT Threshold voltage TA = 25°C 4 6 4 6 V Threshold voltage ∆TA = full range 3.5 6.9 3 6.9 V Hysteresis‡ TA = 25°C 100 100 mV Hysteresis‡ TA = full range 50 30 mV † Full range is 0 °C to 70°C for the TL598C, and –40°C to 125°C for the TL598Q. ‡ Hysteresis is the difference between the positive-going input threshold voltage and the negative-going input threshold voltage. NOTE 4. Pulse-testing techniques must be used that maintain the junction temperature as close to the ambient temperature as possible. output section (see Note 4) PARAMETER TEST CONDITIONS TL598C, TL598Q UNIT PARAMETER TEST CONDITIONS MIN MAX UNIT High level output voltage VCC = 15 V, IO = –200 mA 12 V High-level output voltage CC , VC = 15 V IO = –20 mA 13 V Low level output voltage VCC = 15 V, IO = 200 mA 2 V Low-level output voltage CC , VC = 15 V IO = 20 mA 0.4 V Output control input current VI = Vref 3.5 mA Output-control input current Iref VI = 0.4 V 100 µA NOTE 4. Pulse-testing techniques must be used that maintain the junction temperature as close to the ambient temperature as possible. dead-time control section (see Figure 1) (see Note 4) PARAMETER TEST CONDITIONS TL598C TL598Q UNIT PARAMETER TEST CONDITIONS MIN TYP§ MAX MIN TYP§ MAX UNIT Input bias current (DTC) VI = 0 to 5.25 V –2 –10 –2 –25 µA Maximum duty cycle, each output DTC = 0 V 0.45 0.45 Input threshold voltage (DTC) Zero duty cycle 3 3.3 3 3.2 V Input threshold voltage (DTC) Maximum duty cycle 0 0 V § All typical values except for parameter changes with temperature are at TA = 25°C. NOTE 4. Pulse-testing techniques must be used that maintain the junction temperature as close to the ambient temperature as possible. pwm comparator section (see Note 4) PARAMETER TEST CONDITIONS TL598C, TL598Q UNIT PARAMETER TEST CONDITIONS MIN TYP§ MAX UNIT Input threshold voltage (FEEDBACK) DTC = 0 V 3.75 4.5 V Input sink current (FEEDBACK) V(FEEDBACK) = 0.5 V 0.3 0.7 mA § All typical values except for parameter changes with temperature are at TA = 25°C. NOTE Pulse-testing techniques must be used that maintain the junction temperature as close to the ambient temperature as possible. total device (see Figure 1) (see Note 4) PARAMETER TEST CONDITIONS TL598C, TL598Q UNIT PARAMETER TEST CONDITIONS MIN TYP§ MAX UNIT Standby supply current RT = Vref, VCC = 15 V 15 21 mA Standby supply current All other inputs and outputs open VCC = 40 V 20 26 mA Average supply current DTC = 2 V 15 mA § All typical values except for parameter changes with temperature are at TA = 25°C. NOTE 4. Pulse-testing techniques must be used that maintain the junction temperature as close to the ambient temperature as possible. |
Numéro de pièce similaire - TL598 |
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Description similaire - TL598 |
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