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UC1845 Datasheet(PDF) 9 Page - Texas Instruments |
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UC1845 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 56 page Temperature (C) -75 -50 -25 0 25 50 75 100 125 150 40 60 80 100 120 140 160 180 D006 Source Current (mA) 0 20 40 60 80 100 120 140 160 -60 -50 -40 -30 -20 -10 0 D007 Ta = 125 C Ta = 25 C Ta = -40 C Freq (Hz) 10 100 1000 10000 100000 1000000 1E+7 -20 -100 0 -50 20 0 40 50 60 100 80 150 100 200 D003 Gain Phase IO, Output Load Current (mA) 0 100 200 300 400 500 600 700 800 -10 0 -9 1 -8 2 -7 3 -6 4 -5 5 -4 6 -3 7 -2 8 -1 9 0 10 D005 Source Saturation at 25 C Source Saturation at -55 C Sink Saturation at -55 C Sink Saturation at 25 C Temperature (C) -75 -50 -25 0 25 50 75 100 125 150 7.4 7.6 7.8 8 8.2 8.4 8.6 8.8 9 9.2 D001 VO, Error Amp Output Voltage (V) 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 D005 TA = 125qC TA = 25qC TA = 55qC 9 UC1842, UC2842, UC3842, UC1843, UC2843, UC3843 UC1844, UC2844, UC3844, UC1845, UC2845, UC3845 www.ti.com SLUS223D – APRIL 1997 – REVISED AUGUST 2016 Product Folder Links: UC1842 UC2842 UC3842 UC1843 UC2843 UC3843 UC1844 UC2844 UC3844 UC1845 UC2845 UC3845 Submit Documentation Feedback Copyright © 1997–2016, Texas Instruments Incorporated 7.6 Typical Characteristics Figure 1. Oscillator Discharge Current vs Temperature for VCC = 15 V and VOSC = 2 V Figure 2. Current Sense Input Threshold vs Error Amplifier Output Voltage for VCC = 15 V Figure 3. Error Amplifier Open-Loop Gain and Phase vs Frequency, VCC = 15 V, RL = 100 kΩ, and TA = 25 °C Figure 4. OUTPUT Saturation Voltage vs Load Current for VCC = 15 V with 5-ms Input Pulses Figure 5. VREF Short-Circuit Current vs Temperature for VCC = 15 V Figure 6. VREF Voltage vs Source Current |
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