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TL594ID Datenblatt(PDF) 5 Page - Texas Instruments |
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TL594ID Datenblatt(HTML) 5 Page - Texas Instruments |
5 / 16 page TL594 PULSEWIDTHMODULATION CONTROL CIRCUIT SLVS052F − APRIL 1988 − REVISED NOVEMBER 2003 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating conditions, VCC = 15 V, (unless otherwise noted) reference section PARAMETER TEST CONDITIONS† TL594C, TL594I UNIT PARAMETER TEST CONDITIONS† MIN TYP‡ MAX UNIT Output voltage (REF) IO = 1 mA, TA = 25°C 4.95 5 5.05 V Input regulation VCC = 7 V to 40 V, TA = 25°C 2 25 mV Output regulation IO = 1 to 10 mA, TA = 25°C 14 35 mV Output-voltage change with temperature ∆TA = MIN to MAX 2 10 mV/V Short-circuit output current§ Vref = 0 10 35 50 mA † For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. ‡ All typical values, except for parameter changes with temperature, are at TA = 25°C. § Duration of the short circuit should not exceed one second. amplifier section (see Figure 1) PARAMETER TEST CONDITIONS TL594C, TL594I UNIT PARAMETER TEST CONDITIONS MIN TYP‡ MAX UNIT Input offset voltage, error amplifier FEEDBACK = 2.5 V 2 10 mV Input offset current FEEDBACK = 2.5 V 25 250 nA Input bias current FEEDBACK = 2.5 V 0.2 1 µA Common-mode input voltage range, error amplifier VCC = 7 V to 40 V 0.3 to VCC−2 V Open-loop voltage amplification, error amplifier ∆VO = 3 V, RL = 2 kΩ, VO = 0.5 V to 3.5 V 70 95 dB Unity-gain bandwidth VO = 0.5 V to 3.5 V, RL = 2 kΩ 800 kHz Common-mode rejection ratio, error amplifier VCC = 40 V, TA = 25°C 65 80 dB Output sink current, FEEDBACK VID = −15 mV to −5 V, FEEDBACK = 0.5 V 0.3 0.7 mA Output source current, FEEDBACK VID = 15 mV to 5 V, FEEDBACK = 3.5 V −2 mA ‡ All typical values, except for parameter changes with temperature, are at TA = 25°C. oscillator section, CT = 0.01 µF, RT = 12 kΩ (see Figure 2) PARAMETER TEST CONDITIONS† TL594C, TL594I UNIT PARAMETER TEST CONDITIONS† MIN TYP‡ MAX UNIT Frequency 10 kHz Standard deviation of frequency¶ All values of VCC, CT, RT, and TA constant 100 Hz/kHz Frequency change with voltage VCC = 7 V to 40 V, TA = 25°C 1 Hz/kHz Frequency change with temperature# ∆TA = MIN to MAX 50 Hz/kHz † For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. ‡ All typical values, except for parameter changes with temperature, are at TA = 25°C. ¶ Standard deviation is a measure of the statistical distribution about the mean, as derived from the formula: s + N n +1 (xn * X) 2 N * 1 # Temperature coefficient of timing capacitor and timing resistor is not taken into account. |
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Ähnliche Beschreibung - TL594ID |
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