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UC1846-SP датащи(PDF) 3 Page - Texas Instruments |
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UC1846-SP датащи(HTML) 3 Page - Texas Instruments |
3 / 15 page UC1846-SP www.ti.com SLUS871B – JANUARY 2009 – REVISED OCTOBER 2011 ABSOLUTE MAXIMUM RATINGS (1) (2) over operating free-air temperature range (unless otherwise noted) VCC Supply voltage 40 V Collector supply voltage 40 V IO Output current, source or sink 500 mA VI Analog input voltage (C/S-, C/S+, E/A+, E/A-, Shutdown) –0.3 V to VIN Reference output current –30 mA Sync output current –5 mA Error amplifier output current –5 mA Soft-start sink current 50 mA Oscillator charging current 5 mA J package 9.6 °C/W TJ Junction temperature W package 8.2 °C/W FK package 9.4 °C/W TJmax Maximum junction temperature 150 °C Tstg Storage temperature range –65°C to 150°C Tlead Lead temperature (soldering, 10 seconds) 300 °C (1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. (2) All voltages are with respect to ground. Currents are positive into, negative out of the specified terminal. ELECTRICAL CHARACTERISTICS VIN = 15 V, RT = 10kΩ, CT = 4.7 nF, TA = TJ = –55°C to 125°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Reference Section Output voltage TJ = 25°C, IO = 1 mA 5.04 5.10 5.16 V Line regulation VIN = 8 V to 40 V 5 20 mV Load regulation IL = 1 mA to 10 mA 3 15 mV Temperature stability Over operating range 0.4 mV/ °C Total output variation Over line, load, and temperature(1) 5 5.2 V Output noise voltage 10 Hz ≤ f ≤ 10 kHz, TJ = 25°C (1) 100 μV Long-term stability TJ = 125°C, 1000 hr 5 mV Short-circuit output current VREF = 0 V –10 –45 mA Oscillator Section Initial accuracy TJ = 25°C 39 43 47 kHz Voltage stability VIN = 8 V to 40 V –1 2 % Temperature stability Over operating range –1 % Sync output high level 3.9 4.35 V Sync output low level 2.3 2.5 V Sync input high level CT = 0 V 3.9 V Sync input low level CT = 0 V 2.5 V Sync input current Sync = 3.9 V, CT = 0 V 1.3 1.5 mA Error Amp Section Input offset voltage 0.5 5 mV Input bias current -1 –0.6 μA Input offset current 40 250 nA Common mode range VIN = 8 V to 40 V 0 VIN – 2 V Open-loop voltage gain ΔVO = 1.2 V to 3 V, VCM = 2 V 80 105 dB (1) Parameters ensured by design and/or characterization, if not production tested. Copyright © 2009–2011, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): UC1846-SP |
Аналогичный номер детали - UC1846-SP |
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Аналогичное описание - UC1846-SP |
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