Datenblatt-Suchmaschine für elektronische Bauteile |
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UC1625L Datenblatt(PDF) 3 Page - Texas Instruments |
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UC1625L Datenblatt(HTML) 3 Page - Texas Instruments |
3 / 15 page 3 UC1625 UC2625 UC3625 ELECTRICAL CHARACTERISTICS: Unless otherwise stated, these specifications apply for: TA = 25 °C; Pwr VCC = VCC = 12V; ROSC = 20k to VREF; COSC = 2nF; RTACH = 33k; CTACH = 10nF; and all outputs unloaded. TA = TJ. PARAMETER TEST CONDITIONS MIN TYP MAX UNITS PWM Amp/Comparator (cont.) E/A Out Range 0.25 3.50 V SSTART Pull-up Current To 0V –16 –10 –5 µA SSTART Discharge Current To 2.5V 0.1 0.4 3.0 mA SSTART Restart Threshold 0.1 0.2 0.3 V Current Amp Gain ISENSE1 = .3V, ISENSE2 = .5V to .7V 1.75 1.95 2.15 V/V Level Shift ISENSE1 = .3V, ISENSE2 = .3V 2.4 2.5 2.65 V Peak Current Threshold ISENSE1 = 0V, Force ISENSE2 0.14 0.20 0.26 V Over Current Threshold ISENSE1 = 0V, Force ISENSE2 0.26 0.30 0.36 V ISENSE1, ISENSE2 Input Current To 0V –850 –320 0 µA ISENSE1, ISENSE2 Offset Current To 0V ±2 ±12 µA Range ISENSE1, ISENSE2 –1 2 V Tachometer/Brake Tach-Out High Level Over Operating Range, 10k to 2.5V 4.7 5 5.3 V Tach-Out Low Level Over Operating Range, 10k to 2.5V 0.2 V On Time 170 220 280 µs On Time Change With Temp Over Operating Range 0.1 % RC-Brake Input Current To 0V –4.0 –1.9 mA Threshold to Brake, RC-Brake Over Operating Range 0.8 1.0 1.2 V Brake Hysteresis, RC-Brake 0.09 V Speed-In Threshold Over Operating Range 220 257 290 mV Speed-In Input Current –30 –5 30 µA Low-Side Drivers Voh, –1mA, Down From VCC Over Operating Range 1.60 2.1 V Voh, –50mA, Down From VCC Over Operating Range 1.75 2.2 V Vol, 1mA Over Operating Range 0.05 0.4 V Vol, 50mA Over Operating Range 0.36 0.8 V Rise/Fall Time 10% to 90% Slew Time, into 1nF 50 ns High-Side Drivers Vol, 1mA Over Operating Range 0.1 0.4 V Vol, 50mA Over Operating Range 1.0 1.8 V Leakage Current Output Voltage = 50V 25 µA Fall Time 10% to 90% Slew Time, 50mA Load 50 ns Oscillator Frequency 40 50 60 kHz Frequency Over Operating Range 35 65 kHz Reference Output Voltage 4.9 5.0 5.1 V Output Voltage Over Operating Range 4.7 5.0 5.3 V Load Regulation 0mA to –20mA Load –40 –5 mV Line Regulation 10V to 18V VCC –10 –1 10 mV Short Circuit Current Over Operating Range 50 100 150 mA |
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