công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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UC1824 bảng dữ liệu(PDF) 3 Page - Texas Instruments |
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UC1824 bảng dữ liệu(HTML) 3 Page - Texas Instruments |
3 / 8 page UC1824 UC3824 PARAMETERS TEST CONDITIONS UC2824 MIN TYP MAX MIN TYP MAX UNITS Oscillator Section (cont.) Clock Out High 3.9 4.5 3.9 4.5 V Clock Out Low 2.3 2.9 2.3 2.9 V Ramp Peak* 2.6 2.8 3.0 2.6 2.8 3.0 V Ramp Valley* 0.7 1.0 1.25 0.7 1.0 1.25 V Ramp Valley to Peak* 1.6 1.8 2.0 1.6 1.8 2.0 V Error Amplifier Section Input Offset Voltage 10 15 mV Input Bias Current 0.6 3 0.6 3 µA Input Offset Current 0.1 1 0.1 1 µA Open Loop Gain 1V < VO < 4V 60 95 60 95 dB CMRR 1.5V < VCM < 5.5V 75 95 75 95 dB PSRR 10V < VCC < 30V 85 110 85 110 dB Output Sink Current VPIN 3 = 1V 12.5 12.5 mA Output Source Current VPIN 3 = 4V -0.5 -1.3 -0.5 -1.3 mA Output High Voltage IPIN 3 = -0.5mA 4.0 4.7 5.0 4.0 4.7 5.0 V Output Low Voltage IPIN 3 = 1mA 0 0 .5 1.0 0 0.5 1.0 V Unity Gain Bandwidth* 35.5 35.5 MHz Slew Rate* 612 6 12 V/ µs PWM Comparator Section Pin 7 Bias Current VPIN 7 = 0V -1 -5 -1 -5 µA Duty Cycle Range 0 80 0 85 % Pin 3 Zero DC Threshold VPIN 7 = 0V 1.1 1.25 1.1 1.25 V Delay to Output* 50 80 50 80 ns Soft-Start Section Charge Current VPIN 8 = 0.5V 3 9 20 3 9 20 µA Discharge Current VPIN 8 = 1V 1 1 mA Current Limit / Shutdown Section Pin 9 Bias Current 0 < VPIN 9 < 4V 15 10 µA Current Limit Threshold 0.9 1.0 1.1 0.9 1.0 1.1 V Shutdown Threshold 1.25 1.40 1.55 1.25 1.40 1.55 V Delay to Output 50 80 50 80 ns Output Section Output Low Level IOUT = 20mA 0.25 0.40 0.25 0.40 V IOUT = 200mA 1.2 2.2 1.2 2.2 V Output High Level IOUT = -20mA 13.0 13.5 13.0 13.5 V IOUT = -200mA 12.0 13.0 12.0 13.0 V Collector Leakage VC = 30V 100 500 10 500 µA Rise/Fall Time* CL = 1nF 3060 3060 ns Under-Voltage Lockout Section Start Threshold 8.8 9.2 9.6 8.8 9.2 9.6 V UVLO Hysteresis 0.4 0.8 1.2 0.4 0.8 1.2 V Supply Current Section Start Up Current VCC = 8V 1.1 2.5 1.1 2.5 mA ICC VPIN 1, VPIN 7, VPIN 9 = 0V; VPIN 2 = 1V 22 33 22 33 mA Unless otherwise stated,these specifications apply for , RT = 3.65k, CT = 1nF, VCC = 15V, -55 °C<TA<125°C for the UC1824, –40°C<TA<85°C for the UC2824, and 0 °C<TA<70°C for the UC3824, TA=TJ. * This parameter not 100% tested in production but guaranteed by design. UC1824 UC2824 UC3824 ELECTRICAL CHARACTERISTICS (cont.) 3 |
Số phần tương tự - UC1824 |
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Mô tả tương tự - UC1824 |
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