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4TPB220ML Arkusz danych(PDF) 4 Page - Texas Instruments |
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4TPB220ML Arkusz danych(HTML) 4 Page - Texas Instruments |
4 / 31 page LM2727, LM2737 SNVS205D – AUGUST 2002 – REVISED MARCH 2013 www.ti.com Electrical Characteristics (continued) VCC = 5V unless otherwise indicated. Typicals and limits appearing in plain type apply for TA=TJ=+25°C. Limits appearing in boldface type apply over full Operating Temperature Range. Datasheet min/max specification limits are ensured by design, test, or statistical analysis. Symbol Parameter Conditions Min Typ Max Units ERROR AMPLIFIER GBW Error Amplifier Unity Gain 5 MHz Bandwidth G Error Amplifier DC Gain 60 dB SR Error Amplifier Slew Rate 6 V/µA IFB FB Pin Bias Current FB = 0.55V 0 15 100 nA FB = 0.65V 0 30 155 IEAO EAO Pin Current Sourcing and VEAO = 2.5, FB = 0.55V 2.8 mA Sinking VEAO = 2.5, FB = 0.65V 0.8 VEA Error Amplifier Maximum Swing Minimum 1.2 V Maximum 3.2 GATE DRIVE IQ-BOOT BOOT Pin Quiescent Current BOOTV = 12V, EN = 0 0°C to +125°C 95 160 µA -40°C to +125°C 95 215 RDS1 Top FET Driver Pull-Up ON BOOT-SW = 5V@350mA 3 Ω resistance RDS2 Top FET Driver Pull-Down ON BOOT-SW = 5V@350mA 2 Ω resistance RDS3 Bottom FET Driver Pull-Up ON BOOT-SW = 5V@350mA 3 Ω resistance RDS4 Bottom FET Driver Pull-Down ON BOOT-SW = 5V@350mA 2 Ω resistance OSCILLATOR RFADJ = 590kΩ 50 RFADJ = 88.7kΩ 300 RFADJ = 42.2kΩ, 0°C to +125°C 500 600 700 fOSC PWM Frequency kHz RFADJ = 42.2kΩ, -40°C to +125°C 490 600 700 RFADJ = 17.4kΩ 1400 RFADJ = 11.3kΩ 2000 D Max Duty Cycle fPWM = 300kHz 90 % fPWM = 600kHz 88 LOGIC INPUTS AND OUTPUTS VSD-IH SD Pin Logic High Trip Point 2.6 3.5 V VSD-IL SD Pin Logic Low Trip Point 0°C to +125°C 1.3 1.6 V -40°C to +125°C 1.25 1.6 VPWGD-TH-LO PWGD Pin Trip Points FB Voltage Going Down 0°C to +125°C 0.413 0.430 0.446 V -40°C to +125°C 0.410 0.430 0.446 VPWGD-TH-HI PWGD Pin Trip Points FB Voltage Going Up 0°C to +125°C 0.691 0.710 0.734 V -40°C to +125°C 0.688 0.710 0.734 VPWGD-HYS PWGD Hysteresis (LM2737 only) FB Voltage Going Down FB Voltage 35 mV Going Up 110 4 Submit Documentation Feedback Copyright © 2002–2013, Texas Instruments Incorporated Product Folder Links: LM2727 LM2737 |
Podobny numer części - 4TPB220ML |
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Podobny opis - 4TPB220ML |
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