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データシートサーチシステム |
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UC2825A-Q1 データシート(PDF) 4 Page - Texas Instruments |
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UC2825A-Q1 データシート(HTML) 4 Page - Texas Instruments |
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4 / 14 page  www.ti.com ELECTRICAL CHARACTERISTICS UC2825A-Q1 SLUS781 – SEPTEMBER 2007 TJ = –40°C to 125°C, RT = 3.65 kΩ, CT = 1 nF, VCC = 12 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Reference, VREF VO Ouput voltage TJ = 25°C, IO = 1 mA 5.05 5.1 5.15 V Line regulation 12 V ≤ VCC ≤ 20 V 2 15 mV Load regulation 1 mA ≤ IO ≤ 10 mA 5 20 mV Total output variation Line, load, temperature 5.03 5.17 V Temperature stability(1) T(min) < TJ < T(max) 0.2 0.4 mV/ °C Output noise voltage(1) 10 Hz < f < 10 kHz 50 μVRMS Long term stability(1) TJ = 125°C, 1000 hours 5 25 mV 30 60 90 Short circuit current VREF = 0 V mA TJ = 125°C 30 110 Oscillator TJ = 25°C 375 400 425 kHz fOSC Initial accuracy(1) RT = 6.6 kΩ, CT = 220 pF, TJ = 25°C 0.9 1 1.1 MHz Line, temperature 350 450 kHz Total variation(1) RT = 6.6 kΩ, CT = 220 pF 0.85 1.15 MHz Voltage stability 12 V < VCC < 20 V 1 % Temperature stability(1) T(min) < TJ < T(max) ±5 % High-level output voltage, clock 3.7 4 V Low-level output voltage, clock 0 0.2 V Ramp peak 2.6 2.8 3 V Ramp valley 0.7 1 1.25 V 1.6 1.8 2 Ramp valley to peak V TJ = –40°C 1.55 2 9 10 11 IOSC Oscillator discharge current RT = Open, VCT = 2 V mA TJ = 125°C 8 11 Error Amplifier Input offset voltage 2 10 mV Input bias current 0.6 3 μA Input offset current 0.1 1 μA Open loop gain 1 V < VO < 4 V 60 95 dB CMRR Common-mode rejection ratio 1.5 V < VCM < 5.5 V 75 95 dB PSRR Power-supply rejection ratio 12 V < VCC < 20 V 85 110 dB IO(sink) Output sink current VEAOUT = 1 V 1 2.5 mA IO(src) Output source current VEAOUT = 4 V –0.5 –1.3 mA High-level output voltage IEAOUT = –0.5 mA 4.5 4.7 5 V Low-level output voltage IEAOUT = –1 mA 0 0.5 1 V Gain bandwidth product f = 200 kHz 6 12 MHz Slew rate(1) 6 9 V/ μs (1) Specified by design 4 Submit Documentation Feedback Copyright © 2007, Texas Instruments Incorporated |
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同様の説明 - UC2825A-Q1 |
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