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TPS62661YFFT Fiches technique(PDF) 3 Page - Texas Instruments |
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TPS62661YFFT Fiches technique(HTML) 3 Page - Texas Instruments |
3 / 27 page TPS6266x www.ti.com SLVS871A – FEBRUARY 2010 – REVISED MARCH 2010 ELECTRICAL CHARACTERISTICS 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 SUPPLY CURRENT VI Input voltage range 2.3 5.5 V IO = 0mA. Device not switching 31 55 mA IQ Operating quiescent current IO = 0mA, PWM mode 7.6 mA I(SD) Shutdown current EN = GND 0.2 1 mA UVLO Undervoltage lockout threshold 2.05 2.1 V ENABLE, MODE VIH High-level input voltage 1.0 V VIL Low-level input voltage 0.4 V Ilkg Input leakage current Input connected to GND or VIN 0.01 1 mA POWER SWITCH VI = V(GS) = 3.6V, PWM mode 270 m Ω P-channel MOSFET on rDS(on) TPS6266x resistance VI = V(GS) = 2.5V, PWM mode 350 m Ω Ilkg P-channel leakage current, PMOS V(DS) = 5.5V, -40°C ≤ TJ ≤ 85°C 1 mA VI = V(GS) = 3.6V, PWM mode 140 m Ω N-channel MOSFET on rDS(on) TPS6266x resistance VI = V(GS) = 2.5V, PWM mode 200 m Ω Ilkg N-channel leakage current, NMOS V(DS) = 5.5V, -40°C ≤ TJ ≤ 85°C 2 mA P-MOS current limit 2.3V ≤ VI ≤ 4.8V, Open loop 1400 1500 1750 mA Input current limit under short-circuit VO shorted to ground 19 mA conditions Thermal shutdown 140 °C Thermal shutdown hysteresis 10 °C OSCILLATOR fSW Oscillator frequency TPS6266x IO = 0mA, PWM mode 5.4 6 6.6 MHz OUTPUT 2.3V ≤ VI ≤ 2.7V, 0mA ≤ IO ≤ 600mA 2.7V ≤ VI ≤ 3.0V, 0mA ≤ IO ≤ 800mA 0.98×VNOM VNOM 1.03×VNOM V 3.0V ≤ VI ≤ 4.8V, 0mA ≤ IO ≤ 1000mA PFM/PWM operation Regulated DC output 3.0V ≤ VI ≤ 5.5V, 0mA ≤ IO ≤ 1000mA 0.98×VNOM VNOM 1.04×VNOM V voltage PFM/PWM operation V(OUT) TPS6266x 2.3V ≤ VI ≤ 2.7V, 0 mA ≤ IO ≤ 600mA 2.7V ≤ VI ≤ 3.0V, 0 mA ≤ IO ≤ 800mA 0.98×VNOM VNOM 1.02×VNOM V 3.0V ≤ VI ≤ 5.5V, 0 mA ≤ IO ≤ 1000mA PWM operation Line regulation VI = VO + 0.5V (min 2.3V) to 5.5V, IO = 200 mA 0.13 %/V Load regulation VI = 3.6V, IO = 0m A to 1000 mA –0.00025 %/mA Feedback input resistance 480 k Ω TPS62660 IO = 1mA 20 mVPP IO = 1mA Power-save mode ripple ΔVO TPS62661 L = 1mH (muRata LQM2MPN1R0NG0) 9 mVPP voltage CO = 10mF 4V 0402 (muRata GRM155R60G106M) TPS62665 IO = 1mA 24 mVPP TPS62660 IO = 0mA, Time from active EN to VO 120 ms Start-up time TPS62661 RL = 2Ω, Time from active EN to VO 55 ms Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): TPS6266x |
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