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UC2856-Q1 데이터시트(PDF) 5 Page - Texas Instruments |
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UC2856-Q1 데이터시트(HTML) 5 Page - Texas Instruments |
5 / 12 page UC2856-Q1 www.ti.com ...................................................................................................................................................................................................... SLVS863 – JUNE 2008 ELECTRICAL CHARACTERISTICS (continued) TA = –40°C to 125°C, VIN = 15 V, RT = 10 kΩ, CT = 1 nF, and TA = TJ (unless otherwise stated) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Output Section Collector-emitter voltage 40 V Off-state bias current VC = 40 V 250 A IOUT = 20 mA 0.1 0.5 Output low level voltage V IOUT = 200 mA 0.5 2.6 IOUT = –20 mA 12.5 13.2 Output high level voltage V IOUT = –200 mA 12 13.1 Rise time C1 = 1 nF 40 80 ns Fall time C1 = 1 nF 40 80 ns UVLO low saturation VIN = 0 V, IOUT = 20 mA 0.8 1.5 V PWM Section Maximum duty cycle 45 47 50 % Minimum duty cycle 0 % Undervoltage Lockout Section Startup threshold 7.7 8 V Threshold hysteresis 0.7 V Total Standby Current Supply current 18 23 mA Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): UC2856-Q1 |
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