データシートサーチシステム |
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TPS28226DRBR データシート(PDF) 6 Page - Texas Instruments |
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TPS28226DRBR データシート(HTML) 6 Page - Texas Instruments |
6 / 39 page Normal switching PWM LGATE UGATE 3-State window 90% 10% t DLL 50% t FL 50% t PWM_MIN t DTU 90% 10% t RU 90% 10% t DLU t FU t DTL 90% 10% t RL t HLD_R 90% 10% 90% 90% t HLD_F Enter into 3-State at PWM rise Exit 3-State Enter into 3-State at PWM fall LGATE exits 3-State after PWM goes High and then Low TPS28226 SLUS791A – JULY 2007 – REVISED SEPTEMBER 2015 www.ti.com Electrical Characteristics (1) (continued) VDD = 7.2 V, EN/PG pulled up to VDD by 100-kΩ resistor, TA = TJ = –40°C to 125°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT LOWER GATE DRIVER OUTPUT (LGATE) Source resistance 500 mA source current 1.0 2.0 Ω Source current(2) VLGATE = 2.5 V 2.0 A tRL Rise time(2) CL = 3 nF 10 ns Sink resistance 500 mA sink current 0.4 1.0 Ω Sink current(2) VLGATE = 2.5 V 4.0 A Fall time(2) CL = 3 nF 5 ns BOOTSTRAP DIODE VF Forward voltage Forward bias current 100 mA 1.0 V THERMAL SHUTDOWN Rising threshold(2) 150 160 170 °C Falling threshold(2) 130 140 150 °C Hysteresis 20 °C 6.6 Switching Characteristics over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SWITCHING TIME tDLU UGATE turn-off propagation Delay CL = 3 nF 14 ns tDLL LGATE turn-off propagation Delay CL = 3 nF 14 ns Dead time LGATE turn off to tDTU CL = 3 nF 14 ns UGATE turn on Dead time UGATE turn off to tDTL CL = 3 nF 14 ns LGATE turn on Figure 1. TPS28226 Timing Diagram 6 Submit Documentation Feedback Copyright © 2007–2015, Texas Instruments Incorporated Product Folder Links: TPS28226 |
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同様の説明 - TPS28226DRBR |
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