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CM494CS Datasheet(PDF) 5 Page - List of Unclassifed Manufacturers |
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CM494CS Datasheet(HTML) 5 Page - List of Unclassifed Manufacturers |
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5 / 9 page  CM494 ADVANCED REGULATING PULSE WIDTH MODULATOR 2000/12/29 Preliminary Champion Microelectronic Corporation Page 4 ELECTRICAL CHARACTERISTICS: Unless otherwise stated, over recommended operating free-air temperature range. Vcc = 15V, f = 10Khz, TA=TJ. PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Reference Section Output voltage VREF lo = 1mA, TA= 25℃ 4.75 5 5.25 V Input regulation Vcc = 7V to 40V 2 25 mV Output regulation lo = 1mA to 10mA 1 15 mV Output voltage over temperature ΔTA= Min. to Max 4.90 5.10 V Short circuit output current VREF = 0, TA= 25℃ 10 35 50 mA Oscillator Section Frequency (Note 2) CT = 0.01µF, RT = 12Ω 10 kHz Standard deviation of frequency (Note 3) All values of Vcc, CT, RT, TA 10 % Frequency change with voltage Vcc = 7V to 40V, TA= 25℃ 0.1 % Frequency change with temperature CT = 0.01µF, RT = 12kΩ, ΔTA= Min. to Max 2 % Deadtime Control Section (Output control connected to VREF ) Input bias current (Pin 4) V (PIN 4) = 0V to 5.25V -2 -10 µA Maximum duty-cycle (each output) V (PIN 4) = 0V 45 % Deadtime control Section (cont.) （Output control connected to VREF） Zero duty-cycle 3 3.3 V Input threshold voltage (Pin 4) Maximum duty-cycle 0 V Amplifier Section Input offset voltage Vo (PIN 3) = 2.5V 2 10 mV Input offset current Vo (PIN 3) = 2.5V 25 250 nA Input bias current Vo (PIN 3) = 2.5V -0.2 -1 µA Common-mode input voltage range Vcc = 7V to 40V .03 to Vcc -2 V Open loop voltage gain ΔVo = 3V, Vo = 0.5V to 3.5V 70 95 dB Unity gain bandwidth 800 kHz Common-mode rejection ratio Vcc = 40V, TA = 25℃ 65 80 dB Output sink current (Pin 3) VID = -15mV to –5V, V (Pin 3) = 3.5V 0.3 0.7 mA Output Source current (Pin 3) VID = -15mV to 5V, V (Pin 3) = 3.5V -2 mA |
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