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UC1724 Scheda tecnica(PDF) 3 Page - Texas Instruments |
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UC1724 Scheda tecnica(HTML) 3 Page - Texas Instruments |
3 / 4 page 3 UC1724 UC2724 UC3724 ELECTRICAL CHARACTERISTICS: Unless otherwise stated, VCC = 20V, RT = 4.3kΩ, CT = 1000pF, no load on any output and these specifications apply for: –55 oC < T A < 125 oC for the UC1724, –25oC < T A < 85 oC for the UC2724, and 0 oC < TA < 70oC for the UC3724. T A=TJ. PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Phi Input (Control Input) HIGH Input Voltage 2.0 V LOW Input Voltage 0.8 V HIGH Input Current VIH = +2.4V –220 –130 µA LOW Input Current VIL = +0.4V –600 –300 µA Delay to One-Shot 350 ns Delay to Output 250 ns Output Drivers Output Low Level ISINK = 50mA 0.3 0.4 V ISINK = 250mA 0.5 2.1 V Output High Level (Volts Below VCC)ISOURCE = 50 mA 1.5 2.1 V ISOURCE = 250 mA 1.7 2.5 V Rise/Fall Time No load 30 90 ns Total Supply Current Supply Current CT = 1.4V 15 30 mA UNITRODE CORPORATION 7 CONTINENTAL BLVD. • MERRIMACK, NH 03054 TEL. (603) 424-2410 FAX (603) 424-3460 Figure 1. Typical application UDG-92038 Additional Information Please refer to the following Unitrode application topics. [1] Application Note U-127, Unique Chip Pair Simplified Isolated High-Side Switch Drive by John A. O’Connor. [2] Design Note DN-35, IGBT Drive Using MOSFET Gate Drivers by John A. O’Conner. |
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