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TL2843BQDRQ1 Datasheet(PDF) 4 Page - Texas Instruments |
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TL2843BQDRQ1 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 16 page TL2843B-Q1 SLVSAE2A – JULY 2010 – REVISED FEBRUARY 2012 www.ti.com REFERENCE SECTION ELECTRICAL CHARACTERISTICS VCC = 15 V (1), R T = 10 kΩ, CT = 3.3 nF, over recommended operating free-air temperature range (unless otherwise specified) TL284xB PARAMETER TEST CONDITIONS UNIT MIN TYP(2) MAX Output voltage IO = 1 mA, TJ = 25°C 4.95 5 5.05 V Line regulation VCC = 12 V to 25 V 6 20 mV Load regulation IO = 1 mA to 20 mA 6 25 mV Average temperature coefficient of output voltage 0.2 0.4 mV/ °C VCC = 12 V to 25 V, Output voltage, worst-case variation 4.9 5.1 V IO = 1 mA to 20 mA Output noise voltage f = 10 Hz to 10 kHz, TJ = 25°C 50 μV Output-voltage long-term drift After 1000 h at TJ = 25°C 5 25 mV Short-circuit output current –30 –100 –180 mA (1) Adjust VCC above the start threshold before setting it to 15 V. (2) All typical values are at TJ = 25°C. OSCILLATOR SECTION (1) ELECTRICAL CHARACTERISTICS VCC = 15 V (2), R T = 10 kΩ, CT = 3.3 nF, over recommended operating free-air temperature range (unless otherwise specified) TL284xB PARAMETER TEST CONDITIONS UNIT MIN TYP(3) MAX TJ = 25°C 49 52 55 Initial accuracy TA = Tlow to Thigh 48 56 kHz TJ = 25°C, RT = 6.2 kΩ, CT = 1 nF 225 250 275 Voltage stability VCC = 12 V to 25 V 0.2 1 % Temperature stability 5 % Amplitude Peak to peak 1.7 V TJ = 25°C, RT/CT = 2 V 7.8 8.3 8.8 Discharge current(4) mA RT/CT = 2 V 7.5 8.8 (1) Output frequency equals oscillator frequency for the TL2842B and TL2843B. Output frequency is one-half the oscillator frequency for the TL2844B and TL2845B. (2) Adjust VCC above the start threshold before setting it to 15 V. (3) All typical values are at TJ = 25°C. (4) Specified by design. Not production tested. 4 Submit Documentation Feedback Copyright © 2010–2012, Texas Instruments Incorporated Product Folder Link(s): TL2843B-Q1 |
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