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SG3524NSRE4 Datasheet(PDF) 4 Page - Texas Instruments |
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SG3524NSRE4 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 20 page SG2524, SG3524 REGULATING PULSEWIDTH MODULATORS SLVS077D – APRIL 1977 – REVISED FEBRUARY 2003 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 error amplifier section PARAMETER TEST SG2524 SG3524 UNIT PARAMETER TEST CONDITIONS† MIN TYP‡ MAX MIN TYP‡ MAX UNIT VIO Input offset voltage VIC = 2.5 V 0.5 5 2 10 mV IIB Input bias current VIC = 2.5 V 2 10 2 10 µA Open-loop voltage amplification 72 80 60 80 dB VICR Common-mode input voltage range TA = 25°C 1.8 to 3.4 1.8 to 3.4 V CMMR Common-mode rejection ratio 70 70 dB B1 Unity-gain bandwidth 3 3 MHz Output swing TA = 25°C 0.5 3.8 0.5 3.8 V † For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. ‡ All typical values, except for temperature coefficients, are at TA = 25°C output section PARAMETER TEST CONDITIONS† MIN TYP‡ MAX UNIT V(BR)CE Collector-emitter breakdown voltage 40 V Collector off-state current VCE = 40 V 0.01 50 µA Vsat Collector-emitter saturation voltage IC = 50 mA 1 2 V VO Emitter output voltage VC = 20 V, IE = –250 µA 17 18 V tr Turn-off voltage rise time RC = 2 kΩ 0.2 µs tf Turn-on voltage fall time RC = 2 kΩ 0.1 µs † For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. ‡ All typical values, except for temperature coefficients, are at TA = 25°C. comparator section PARAMETER TEST CONDITIONS† MIN TYP‡ MAX UNIT Maximum duty cycle, each output 45% V Inp t threshold oltage at COMP Zero duty cycle 1 V VIT Input threshold voltage at COMP Maximum duty cycle 3.5 V IIB Input bias current –1 µA † For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. ‡ All typical values, except for temperature coefficients, are at TA = 25°C. current limiting section PARAMETER TEST CONDITIONS† MIN TYP‡ MAX UNIT VI Input voltage range (either input) –1 to1 V V(SENSE) Sense voltage at TA = 25°C V(IN ) V(IN ) ≥ 50 mV V(COMP) 2V 175 200 225 mV Temperature coefficient of sense voltage V(IN+) – V(IN–) ≥ 50 mV, V(COMP) = 2 V 0.2 mV/ °C ‡ All typical values, except for temperature coefficients, are at TA = 25°C. total device PARAMETER TEST CONDITIONS MIN TYP‡ MAX UNIT Ist Standby current VCC = 40 V, IN–, CURR LIM+, CT, GND, COMP, EMIT 1, EMIT 2 grounded, IN+ at 2 V, All other inputs and outputs open 8 10 mA ‡ All typical values, except for temperature coefficients, are at TA = 25°C. |
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