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TL494IN датащи(PDF) 3 Page - Motorola, Inc |
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TL494IN датащи(HTML) 3 Page - Motorola, Inc |
3 / 12 page TL494 3 MOTOROLA ANALOG IC DEVICE DATA ELECTRICAL CHARACTERISTICS (VCC = 15 V, CT = 0.01 µF, RT = 12 kΩ, unless otherwise noted.) For typical values TA = 25°C, for min/max values TA is the operating ambient temperature range that applies, unless otherwise noted. Characteristics Symbol Min Typ Max Unit ERROR AMPLIFIER SECTION Input Offset Voltage (VO (Pin 3) = 2.5 V) VIO – 2.0 10 mV Input Offset Current (VO (Pin 3) = 2.5 V) IIO – 5.0 250 nA Input Bias Current (VO (Pin 3) = 2.5 V) IIB – –0.1 –1.0 µA Input Common Mode Voltage Range (VCC = 40 V, TA = 25°C) VICR –0.3 to VCC–2.0 V Open Loop Voltage Gain ( ∆VO = 3.0 V, VO = 0.5 V to 3.5 V, RL = 2.0 kΩ) AVOL 70 95 – dB Unity–Gain Crossover Frequency (VO = 0.5 V to 3.5 V, RL = 2.0 kΩ) fC– – 350 – kHz Phase Margin at Unity–Gain (VO = 0.5 V to 3.5 V, RL = 2.0 kΩ) φm – 65 – deg. Common Mode Rejection Ratio (VCC = 40 V) CMRR 65 90 – dB Power Supply Rejection Ratio ( ∆VCC = 33 V, VO = 2.5 V, RL = 2.0 kΩ) PSRR – 100 – dB Output Sink Current (VO (Pin 3) = 0.7 V) IO– 0.3 0.7 – mA Output Source Current (VO (Pin 3) = 3.5 V) IO+ 2.0 –4.0 – mA PWM COMPARATOR SECTION (Test Circuit Figure 11) Input Threshold Voltage (Zero Duty Cycle) VTH – 2.5 4.5 V Input Sink Current (V(Pin 3) = 0.7 V) II– 0.3 0.7 – mA DEADTIME CONTROL SECTION (Test Circuit Figure 11) Input Bias Current (Pin 4) (VPin 4 = 0 V to 5.25 V) IIB (DT) – –2.0 –10 µA Maximum Duty Cycle, Each Output, Push–Pull Mode (VPin 4 = 0 V, CT = 0.01 µF, RT = 12 kΩ) (VPin 4 = 0 V, CT = 0.001 µF, RT = 30 kΩ) DCmax 45 – 48 45 50 50 % Input Threshold Voltage (Pin 4) (Zero Duty Cycle) (Maximum Duty Cycle) Vth – 0 2.8 – 3.3 – V OSCILLATOR SECTION Frequency (CT = 0.001 µF, RT = 30 kΩ) fosc – 40 – kHz Standard Deviation of Frequency* (CT = 0.001 µF, RT = 30 kΩ) σfosc – 3.0 – % Frequency Change with Voltage (VCC = 7.0 V to 40 V, TA = 25°C) ∆fosc (∆V) – 0.1 – % Frequency Change with Temperature ( ∆TA = Tlow to Thigh) (CT = 0.01 µF, RT = 12 kΩ) ∆fosc (∆T) – – 12 % UNDERVOLTAGE LOCKOUT SECTION Turn–On Threshold (VCC increasing, Iref = 1.0 mA) Vth 5.5 6.43 7.0 V TOTAL DEVICE Standby Supply Current (Pin 6 at Vref, All other inputs and outputs open) (VCC = 15 V) (VCC = 40 V) ICC – – 5.5 7.0 10 15 mA Average Supply Current (CT = 0.01 µF, RT = 12 kΩ, V(Pin 4) = 2.0 V) (VCC = 15 V) (See Figure 12) – 7.0 – mA * Standard deviation is a measure of the statistical distribution about the mean as derived from the formula, σ N n = 1 Σ (Xn – X)2 N – 1 |
Аналогичный номер детали - TL494IN |
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Аналогичное описание - TL494IN |
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