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UCC3829DW-2 Datasheet(PDF) 3 Page - Texas Instruments |
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UCC3829DW-2 Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 11 page  3 UCC1829-1/-2/-3 UCC2829-1/-2/-3 UCC3829-1/-2/-3 ELECTRICAL CHARACTERISTICS: Unless otherwise specified, RT1 = 34.8k Ω, CT = 470pF, RT2 = 392Ω, VDD = 12V, Over Full Temperature Range and TA = TJ. PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Reference Section Output Voltage TJ = 25°C, No Load, Output Off 2.97 3 3.03 V Over Temperature, No Load, Output Off 2.94 3.06 V Line Regulation VDD = 5V to 14.5V, Output Off, No Load, (Note 2) 35 50 mV Load Regulation 0 < IREF < 5mA 2 10 mV Total Output Variation Line, Load, Temperature = 0°C to 70°C, (Note 1) 2.93 3.07 V Line, Load, Temperature = –55°C to +125°C, (Note 1) 2.90 3.10 V Short Circuit Current VREF = 0 –25 mA Oscillator Section Initial Accuracy TJ = 25°C 360 400 440 kHz Total Variation Line, Temperature (Note 1) 320 480 kHz Temperature Stability TMIN < TA < TMAX (Note 1) 5 10 % Initial Accuracy, 1MHz RT1 = 25.7k, CT = 150pF, TJ = 25°C, (Note 1) 0.9 1 1.1 MHz Total Variation, 1MHz RT1 = 25.7k, CT = 150pF, Line, Temperature (Note 1) 0.8 1.2 MHz Ramp Peak Voltage 1.8 2 2.2 V Ramp Valley Voltage 1 1.5 V Peak To Peak Voltage 0.85 1 1.15 V BISYNC Output Source Current VBISYNC = VDD – 0.5V –2 –1.5 mA BISYNC Output Sink Current VBISYNC = 0.5V 60 140 A BISYNC Input Threshold 1 1.5 2 V Error Amplifier Section Input Offset Voltage 5mV Input Bias Current –1 1 µA Input Offset Current 250 nA Open Loop Gain 70 80 dB CMRR 1.5V < VCM < 4.5V 75 dB PSRR 5V < VDD < 14.5V 75 dB Output Sink Current VEAOUT = 1V 300 500 µA Output Source Current VEAOUT = 4V –500 –300 µA Output High Voltage IEAOUT = –300 µA3 5 V Output Low Voltage IEAOUT = 300 µA 0.6 1 V Gain Bandwidth Product VDD = 12V, TJ = 25°C 5 7 MHz Slew Rate 1.5 2 V/ µs PWM Comparator Section Input Bias Current V(RAMP) –60 1 µA Minimum Duty Cycle 400kHz 0 % Maximum Duty Cycle (UCCX829-1) 400kHz, RT2 Resistor = 200 Ω 42.5 % Maximum Duty Cycle (UCCX829-2, -3) 400kHz, RT2 Resistor = 200 Ω 85 % Delay to Output 50 100 ns Current Limit Fault Section Soft Start Charge Current –40 –10 µA Soft Start Complete Threshold SS Pin (Note 1) 3 V |
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Similar Description - UCC3829DW-2 |
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