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3 / 16 page MC34163 MC33163 3 MOTOROLA ANALOG IC DEVICE DATA ELECTRICAL CHARACTERISTICS (continued) (VCC = 15 V, Pin 16 = VCC, CT = 620 pF, for typical values TA = 25°C, for min/max values TA is the operating ambient temperature range that applies (Note 3), unless otherwise noted.) Characteristic Symbol Min Typ Max Unit FEEDBACK COMPARATOR 2 Threshold Voltage TA = 25°C Line Regulation (VCC = 2.5 V to 40 V, TA = 25°C) Total Variation over Line, and Temperature Vth(FB2) 1.225 – 1.213 1.25 0.008 – 1.275 0.03 1.287 V %/V V Input Bias Current (VFB2 = 1.25 V) IIB(FB2) – 0.4 0 0.4 µA CURRENT LIMIT COMPARATOR Threshold Voltage TA = 25°C Total Variation over VCC = 2.5 V to 40 V, and Temperature Vth(Ipk Sense) – 230 250 – – 270 mV Input Bias Current (VIpk (Sense) = 15 V) IIB(sense) – 1.0 20 µA DRIVER AND OUTPUT SWITCH (Note 2) Sink Saturation Voltage (ISW = 2.5 A, Pins 14, 15 grounded) Non–Darlington Connection (RPin 9 = 110 Ω to VCC, ISW/IDRV ≈ 20) Darlington Connection (Pins 9, 10, 11 connected) VCE(sat) – – 0.6 1.0 1.0 1.4 V Collector Off–State Leakage Current (VCE = 40 V) IC(off) – 0.02 100 µA Bootstrap Input Current Source (VBS = VCC + 5.0 V) Isource(DRV) 0.5 2.0 4.0 mA Bootstrap Input Zener Clamp Voltage (IZ = 25 mA) VZ VCC + 6.0 VCC + 7.0 VCC + 9.0 V LOW VOLTAGE INDICATOR Input Threshold (VFB2 Increasing) Vth 1.07 1.125 1.18 V Input Hysteresis (VFB2 Decreasing) VH – 15 – mV Output Sink Saturation Voltage (Isink = 2.0 mA) VOL(LVI) – 0.15 0.4 V Output Off–State Leakage Current (VOH = 15 V) IOH – 0.01 5.0 µA TOTAL DEVICE Standby Supply Current (VCC = 2.5 V to 40 V, Pin 8 = VCC, Pins 6, 14, 15 = Gnd, remaining pins open) ICC – 6.0 10 mA NOTES: 1. Maximum package power dissipation limits must be observed. 2. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible. 3. Tlow =0°C for MC34163 Thigh =+ 70°C for MC34163 =– 40 °C for MC33163 = + 85 °C for MC33163 100 CT, OSCILLATOR TIMING CAPACITOR (nF) 0.1 10 1.0 1.0 10 Figure 1. Output Switch On–Off Time versus Oscillator Timing Capacitor Figure 2. Oscillator Frequency Change versus Temperature 2.0 –55 TA, AMBIENT TEMPERATURE (°C) 0 – 2.0 – 4.0 – 6.0 – 25 0 25 50 75 100 125 1 2 3 4 5 VCC = 15 V CT = 620 pF VCC = 15 V TA = 25°C 1) ton, RDT = ∞ 2) ton, RDT = 20 k 3) ton, toff, RDT = 10 k 4) toff, RDT = 20 k 5) toff, RDT = ∞ |
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