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UC3824NG4 датащи(PDF) 4 Page - Texas Instruments |
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UC3824NG4 датащи(HTML) 4 Page - Texas Instruments |
4 / 14 page www.ti.com ELECTRICAL CHARACTERISTICS UC1824 UC2824 UC3824 SLUS326A – MARCH 1997 – REVISED JULY 2007 Unless otherwise stated, these specifications apply for, RT = 3.65k, CT = 1 nF, VCC = 15 V, –55°C < TA < 125°C for the UC1824, –40 °C < T A < 85°C for the UC2824, and 0°C < TA < 70°C for the UC3824, TA = TJ. UC1824 UC3824 UC2824 PARAMETER TEST CONDITIONS UNIT MIN TYP MAX MIN TYP MAX Reference Section Output voltage TJ = 25°C, IO = 1 mA 5.05 5.10 5.15 5 5.10 5.20 V Line regulation 10 V < VCC < 30 V 2 20 2 20 mV mV Load regulation 1 mA < IO < 10 mA 5 20 5 20 Temperature stability(1) TMIN < TA < TMAX 0.2 0.4 0.2 0.4 mV/ °C Total output variation(1) Line, Load, Temperature 5 5.20 4.95 5.25 V Output noise voltage(1) 10 Hz < f < 10 kHz 50 50 μV long term stability(1) TJ = 125°C, 1000 hrs. 5 25 5 25 mV Short circuit current VREF = 0 V –15 –50 –100 –15 –50 –100 mA Oscillator Section Initial accuracy(1) TJ = 25°C 360 400 440 360 400 440 kHz Voltage stability(1) 10 V < VCC < 30 V 0.2% 2% 0.2% 2% Temperature stability(1) TMIN < TA < TMAX 5% 5% Total variation(1) Line, Temperature 340 460 340 460 kHz Clock out high 3.9 4.5 3.9 4.5 Clock out low 2.3 2.9 2.3 2.9 Ramp peak(1) 2.6 2.8 3 2.6 2.8 3 V Ramp valley(1) 0.7 1 1.25 0.7 1 1.25 Ramp valley to peak(1) 1.6 1.8 2 1.6 1.8 2 Error Amplifier Section Input offset voltage 10 15 mV Input bias current 0.6 3 0.6 3 μA Input offset current 0.1 1 0.1 1 μA Open loop gain 1 V < VO < 4 V 60 95 60 95 CMRR 1.5 V < VCM < 5.5 V 75 95 75 95 dB PSRR 10 V < VCC < 30 V 85 110 85 110 Output sink current VPIN 3 = 1 V 1 2.5 1 2.5 mA Output source current VPIN 3 = 4 V –0.5 –1.3 –0.5 –1.3 Output high voltage IPIN 3 = –0.5 mA 4 4.7 5 4 4.7 5 V Output low voltage IPIN 3 = 1 mA 0 0.5 1 0 0.5 1 Unity gain bandwidth(1) 3 5.5 3 5.5 MHz Slew rate(1) 6 12 6 12 V/ μs PWM Comparator Section Pin 7 bias current VPIN 7 = 0 V –1 –5 –1 –5 μA Duty cycle range 0 80 0 85 % Pin 3 zero dc threshold VPIN 7 = 0 V 1.1 1.25 1.1 1.25 V Delay to output(1) 50 80 50 80 ns Soft-Start Section Charge current VPIN 8 = 0.5 V 3 9 20 3 9 20 μA Discharge current VPIN 8 = 1 V 1 1 mA Current Limit/Shutdown Section Pin 9 bias current 0 < VPIN 9 < 4 V 15 10 μA (1) This parameter not 100% tested in production but guaranteed by design. 4 Submit Documentation Feedback |
Аналогичный номер детали - UC3824NG4 |
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Аналогичное описание - UC3824NG4 |
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