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TL598MFKB датащи(PDF) 3 Page - Texas Instruments |
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TL598MFKB датащи(HTML) 3 Page - Texas Instruments |
3 / 13 page TL598 PULSEWIDTHMODULATION CONTROL CIRCUITS SLVS053D − FEBRUARY 1988 − REVISED NOVEMBER 2003 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions MIN MAX UNIT VCC Supply voltage 7 40 V VI Amplifier input voltage 0 VCC−2 V IO Collector voltage 40 V IIL Output current (each output), sink or source 200 mA Current into feedback terminal 0.3 mA CT Timing capacitor 0.00047 10 µF RT Timing resistor 1.8 500 k Ω fosc Oscillator frequency 1 300 kHz TA Operating free-air temperature 0 70 °C electrical characteristics over recommended operating free-air temperature range, VCC = 15 V (unless otherwise noted) reference section (see Note 4) PARAMETER TEST CONDITIONS† MIN TYP‡ MAX UNIT Output voltage (REF) IO = 1 mA TA = 25°C 4.95 5 5.05 V Output voltage (REF) IO = 1 mA TA = full range 4.9 5.1 V Input regulation VCC = 7 V to 40 V TA = 25°C 2 25 mV Output regulation IO = 1 mA to 10 mA TA = 25°C 1 15 mV Output regulation IO = 1 mA to 10 mA TA = full range 50 mV Output voltage change with temperature ∆TA = MIN to MAX 2 10 mV/V Short-circuit output current§ REF = 0 V −10 −48 mA † Full range is 0°C to 70°C. ‡ All typical values, except for parameter changes with temperature, are at TA = 25°C. § Duration of the short circuit should not exceed one second. NOTE 4: Pulse-testing techniques that maintain the junction temperature as close to the ambient temperature as possible must be used. oscillator section, CT = 0.001 µF, RT = 12 kΩ (see Figure 1) (see Note 4) PARAMETER TEST CONDITIONS† MIN TYP‡ MAX UNIT Frequency 100 kHz Standard deviation of frequency¶ All values of VCC, CT, RT, TA constant 100 Hz/kHz Frequency change with voltage VCC = 7 V to 40 V, TA = 25°C 1 10 Hz/kHz Frequency change with temperature# ∆TA = full range 70 120 Hz/kHz Frequency change with temperature# ∆TA = full range, CT = 0.01 µF 50 80 Hz/kHz † Full range is 0°C to 70°C. ‡ 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: # Effects of temperature on external RT and CT are not taken into account. NOTE 4. Pulse-testing techniques that maintain the junction temperature as close to the ambient temperature as possible must be used. s + N n +1 (xn * X) 2 N * 1 |
Аналогичный номер детали - TL598MFKB |
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Аналогичное описание - TL598MFKB |
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