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TPS626751 Fiches technique(PDF) 7 Page - Texas Instruments |
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TPS626751 Fiches technique(HTML) 7 Page - Texas Instruments |
7 / 35 page TPS62671, TPS62672, TPS62674 TPS62675, TPS626751, TPS626765, TPS62679 www.ti.com SLVS952F – APRIL 2010 – REVISED JUNE 2014 Electrical Characteristics (continued) Minimum and maximum values are at VI = 2.3V to 5.5V, VO = 1.8V, EN = 1.8V, AUTO mode and TA = –40°C to 85°C; Circuit of Parameter Measurement Information section (unless otherwise noted). Typical values are at VI = 3.6V, VO = 1.8V, EN = 1.8V, AUTO mode and TA = 25°C (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT POWER SWITCH VI = V(GS) = 3.6V. PWM mode 170 m Ω P-channel MOSFET on rDS(on) resistance VI = V(GS) = 2.5V. PWM mode 230 m Ω P-channel leakage current, Ilkg V(DS) = 5.5V, -40°C ≤ TJ ≤ 85°C 1 μA PMOS VI = V(GS) = 3.6V. PWM mode 120 m Ω N-channel MOSFET on rDS(on) resistance VI = V(GS) = 2.5V. PWM mode 180 m Ω N-channel leakage current, Ilkg V(DS) = 5.5V, -40°C ≤ TJ ≤ 85°C 2 μA NMOS Discharge resistor for power- rDIS TPS62674, TPS626751, TPS626765, TPS62679 70 150 Ω down sequence TPS62671 2.3V ≤ VI ≤ 4.8V. Open TPS62672 900 1000 1150 mA loop TPS62674 TPS62679 P-MOS current limit TPS62675 2.3V ≤ VI ≤ 4.8V. Open TPS626751 1000 1100 1250 mA loop TPS626765 Input current limit under short- VO shorted to ground 12 mA circuit conditions Thermal shutdown 140 °C Thermal shutdown hysteresis 10 °C OSCILLATOR TPS62671 TPS62672 Oscillator center TPS62675 IO = 0mA. PWM operation 5.4 6 6.6 MHz frequency TPS626751 fSW TPS626765 Oscillator center TPS62674 IO = 0mA. PWM operation 4.9 5.45 6.0 MHz frequency TPS62679 Copyright © 2010–2014, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: TPS62671 TPS62672 TPS62674 TPS62675 TPS626751 TPS626765 TPS62679 |
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