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UC1846-SP датащи(PDF) 4 Page - Texas Instruments |
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UC1846-SP датащи(HTML) 4 Page - Texas Instruments |
4 / 15 page UC1846-SP SLUS871B – JANUARY 2009 – REVISED OCTOBER 2011 www.ti.com ELECTRICAL CHARACTERISTICS (continued) 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 Unity-gain bandwidth TJ = 25°C (1) 0.7 1 MHZ CMRR VCM = 0 V to 38 V, VIN = 40 V 75 100 dB PSRR VIN = 8 V to 40 V 80 105 dB Output sink current VID = -15 mV to -5 V, Comp = 1.2 V 2 6 mA Output source current VID = 15 mV to 5 V, Comp = 2.5 V –0.5 -0.4 mA High-level output voltage RL = (Comp) 15 kΩ 4.3 4.6 V Low-level output voltage RL = (Comp) 15 kΩ 0.7 1 V Current Sense Amplifier Section Amplifier gain VC/S– = 0 V, C/L SS open (2) (3) 2.5 2.75 3.1 V/V Maximum differential input signal C/L SS open(2), RL (Comp)= 15 kΩ 1.1 1.2 V (VC/S+ – VC/S–) Input offset voltage VC/L SS = 0.5 V, Comp open (2) 5 25 mV CMRR VCM = 1 V to 12 V 60 83 dB PSRR VIN = 8 V to 40 V 60 84 dB Input bias current VC/L SS = 0.5 V, Comp open (4) -10 –2.5 μA Input offset current VC/L SS = 0.5 V, Comp open (4) 0.08 1 μA Input common-mode range VIN – 3 V Delay to outputs TJ = 25°C (5) 200 500 ns Current Limit Adjust Section Current limit offset VC/S– = 0 V, VC/S+ = 0 V, Comp open (4) 0.45 0.5 0.55 V Input bias current VE/A+ = VREF, VE/A– = 0 V -30 –10 μA Shutdown Terminal Section Threshold voltage 250 350 400 mV Input voltage range 0 VIN V Minimum latching current (IC/S SS) (6) 3 1.5 mA Maximum non-latching current (IC/S SS) (7) 1.5 0.8 mA Delay to outputs TJ = 25°C (5) 300 600 ns Output Section Collector-emitter voltage 40 V Collector leakage current VC = 40 V 200 μA ISINK = 20 mA 0.1 0.4 V Output low-level voltage ISINK = 100 mA 0.4 2.1 V ISOURCE = 20 mA 13 13.5 V Output high-level voltage ISOURCE = 100 mA 12 13.5 V Rise time CL = 1 nF, TJ = 25°C (5) 50 300 ns Fall time CL = 1 nF, TJ = 25°C (5) 50 300 ns Undervoltage Lockout Section Start-up threshold 7.7 8 V Threshold hysteresis 0.75 V Total Standby Current Supply current 17 21 mA (2) Parameter measured at trip point of latch with VE/A+ = VREF, VE/A– = 0 V. (3) Amplifier gain defined as: G = ΔVComp/ΔVC/S+; VC/S+ = 0 to 1 V. (4) Parameter measured at trip point of latch with VE/A+ = VREF, VE/A– = 0 V. (5) Parameters ensured by design and/or characterization, if not production tested. (6) Current into C/S SS required to latch circuit in shutdown state. (7) Current into C/S SS assured not to latch circuit in shutdown state. 4 Submit Documentation Feedback Copyright © 2009–2011, Texas Instruments Incorporated Product Folder Link(s): UC1846-SP |
Аналогичный номер детали - UC1846-SP |
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Аналогичное описание - UC1846-SP |
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