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TL2843BQDRQ1 数据表(PDF) 6 Page - Texas Instruments |
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TL2843BQDRQ1 数据表(HTML) 6 Page - Texas Instruments |
6 / 16 page TL2843B-Q1 SLVSAE2A – JULY 2010 – REVISED FEBRUARY 2012 www.ti.com Output Section Electrical Characteristics VCC = 15 V (1), R T = 10 kΩ, CT = 3.3 nF, over recommended operating free-air temperature range (unless otherwise specified) TL284xB PARAMETER TEST CONDITIONS UNIT MIN TYP(2) MAX IOH = –20 mA 13 13.5 High-level output voltage V IOH = –200 mA 12 13.5 IOL = 20 mA 0.1 0.4 Low-level output voltage V IOL = 200 mA 1.5 2.2 Rise time(3) CL = 1 nF, TJ = 25°C 50 150 ns Fall time(3) CL = 1 nF, TJ = 25°C 50 150 ns UVLO saturation(3) VCC = 5 V, IOL = 1 mA 0.7 1.2 V (1) Adjust VCC above the start threshold before setting it to 15 V. (2) All typical values are at TJ = 25°C. (3) Specified by design. Not production tested. UNDERVOLTAGE-LOCKOUT SECTION ELECTRICAL CHARACTERISTICS VCC = 15 V (1), R T = 10 kΩ, CT = 3.3 nF, over recommended operating free-air temperature range (unless otherwise specified) TL284xB PARAMETER TEST CONDITIONS UNIT MIN TYP(2) MAX Start threshold voltage 7.8 8.4 9 V Minimum operating voltage after start-up 7 7.6 8.2 V (1) Adjust VCC above the start threshold before setting it to 15 V. (2) All typical values are at TJ = 25°C. PULSE-WIDTH MODULATOR SECTION ELECTRICAL CHARACTERISTICS VCC = 15 V (1), R T = 10 kΩ, CT = 3.3 nF, over recommended operating free-air temperature range (unless otherwise specified) TL284xB PARAMETER TEST CONDITIONS UNIT MIN TYP(2) MAX Maximum duty cycle(3) 94 96 100 % Minimum duty cycle 0 % (1) Adjust VCC above the start threshold before setting it to 15 V. (2) All typical values are at TJ = 25°C. (3) Specified by design. Not production tested. SUPPLY VOLTAGE ELECTRICAL CHARACTERISTICS VCC = 15 V (1), R T = 10 kΩ, CT = 3.3 nF, over recommended operating free-air temperature range (unless otherwise specified) TL284xB PARAMETER TEST CONDITIONS UNIT MIN TYP(2) MAX Start-up current 0.3 0.5 mA Operating supply current VFB and ISENSE at 0 V 11 17 mA Limiting voltage ICC = 25 mA 30 34 V (1) Adjust VCC above the start threshold before setting it to 15 V. (2) All typical values are at TJ = 25°C. 6 Submit Documentation Feedback Copyright © 2010–2012, Texas Instruments Incorporated Product Folder Link(s): TL2843B-Q1 |
类似零件编号 - TL2843BQDRQ1 |
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类似说明 - TL2843BQDRQ1 |
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