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TL1451AMDREP Fiches technique(PDF) 5 Page - Texas Instruments |
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TL1451AMDREP Fiches technique(HTML) 5 Page - Texas Instruments |
5 / 25 page www.ti.com Dead-Time Control Section Electrical Characteristics Error-Amplifier Section Electrical Characteristics TL1451A-EP DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS SLVS614 – DECEMBER 2005 over recommended operating free-air temperature range, V CC = 6 V, f = 200 kHz (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP(1) MAX UNIT TA = 25°C 1 Input bias current (DTC) µA TA = MIN and 125°C 3 Latch mode (source) current (DTC) –80 –145 µA TA = 25°C 2.3 Latched input voltage (DTC) TA = 125°C 2.22 2.32 V TA = MIN 2.28 2.4 Zero duty cycle 2.05 2.25(2) Input threshold voltage at f = 10 kHz (DTC) V Maximum duty cycle 1.2(2) 1.45 (1) All typical values are at TA = 25°C, unless otherwise indicated. (2) These parameters are not production tested. over recommended operating free-air temperature range, V CC = 6 V, f = 200 kHz (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP(1) MAX UNIT TA = 25°C ±7 Input offset voltage VO (FEEDBACK) = 1.25 V TA = 125°C ±10 mV TA = MIN ±12 TA = 25°C ±100 Input offset current VO (FEEDBACK) = 1.25 V TA = 125°C ±100 nA TA = MIN ±200 TA = 25°C 160 500 Input bias current VO (FEEDBACK) = 1.25 V TA = 125°C 100 500 nA TA = MIN 142 700 Common-mode input voltage range VCC = 3.6 V to 40 V 1.05 to 1.45 V TA = 25°C 70 80 Open-loop voltage amplification RF = 200 kΩ TA = 125°C 70 80 dB TA = MIN 64 80 Unity-gain bandwidth 1.5 MHz Common-mode rejection ratio 60 80 dB Positive output voltage swing 2 V Negative output voltage swing 1 V TA = 25°C 0.5 1.6 Output (sink) current (FEEDBACK) VID = –0.1 V, VO = 1.25 V TA = 125°C 0.4 1.8 mA TA = MIN 0.3 1.7 TA = 25°C –45 –70 Output (source) current (FEEDBACK) VID = 0.1 V, VO = 1.25 V TA = 125°C –25 –50 µA TA = MIN –15 –70 (1) All typical values are at TA = 25°C, unless otherwise indicated. 5 |
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