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TPS62354YZG Datasheet(PDF) 5 Page - Texas Instruments |
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TPS62354YZG Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 46 page  www.ti.com TPS62350, TPS62351 TPS62352, TPS62353, TPS62354 SLVS540B – MAY 2006 – REVISED DECEMBER 2006 ELECTRICAL CHARACTERISTICS (continued) over operating free-air temperature range, typical values are at T A = 25°C. Unless otherwise noted, specifications apply with V I = 3.6 V, EN = VI, VSEL = VI, SYNC = GND, VSEL0[6] bit = 1. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VI = 3.6 V, VO = 1.30 V, IO(DC) = 0 mA, –1.5% 1.5% PWM operation 2.7 V ≤ V I≤ 5.5 V, 0 mA ≤ IO(DC) ≤ 800 mA, VO = 0.75 V, 1.05 V, 1.30 V, 1.5375 V, –2% 2% PWM operation Output voltage VO TPS62354 2.7 V ≤ V I≤ 5.5 V, IO(DC) = 0 mA, DC accuracy –1% 4.5% VO = 1.05 V, L = 1 µH, Light PFM 2.7 V ≤ V I≤ 5.5 V, 0 mA ≤ IO(DC) ≤ 800 mA, –2% 3% VO = 1.30 V, L = 1 µH, Fast PFM/PWM 2.7 V ≤ V I≤ 5.5 V, 0 mA ≤ IO(DC) ≤ 800 mA, –2% 4.5% VO = 1.05 V, L = 1 µH, Light or Fast PFM/PWM DC output voltage load regulation IO(DC) = 0 mA to 800mA, PWM operation –0.0003 %/mA ∆V O VI = VO + 0.5 V (min 2.7 V) to 5.5 V, DC output voltage line regulation 0 %/V IO(DC) = 300 mA VO = 0.9 V, IO(DC) = 0 mA, L = 1 µH, 33 mVPP Light PFM operation VO = 1.05 V, IO(DC) = 1 mA , L = 1 µH, 30 mVPP Light PFM operation Power-save mode ripple voltage VO = 1.10 V, IO(DC) = 1 mA, 12 mVPP L = 1 µH, Light PFM operation, VSEL0[6] bit = 0 VO = 1.35 V, IO(DC) = 1 mA, 0.025 VO VPP L = 1 µH, Fast PFM operation Leakage current into SW pin VI > VO, 0 V ≤ V(SW) ≤ VI, EN = GND 0.01 1 Ilkg µA Reverse leakage current into SW pin VI = open, V(SW) = 6 V, EN = GND 0.01 1 DAC TPS62350 TPS62351 Resolution TPS62352 6 Bits TPS62353 TPS62354 Differential nonlinearity Assured monotonic by design ±0.8 LSB TIMING Setup Time Between Rising EN and Start of I2C 250 µs Stream Output voltage settling From min to max output voltage, VO TPS62350 3 µs time IO(DC) = 500 mA, PWM operation Time from active EN to VO 180 VO = 1.35 V, RL = 5Ω, PWM operation TPS62350 Time from active EN to VO 170 VO = 1.05 V, IO(DC) = 0 mA, Light PFM operation Time from active EN_DCDC bit to VO Start-up time TPS62351 45 µs VO = 1.5 V, RL = 5Ω, PWM operation Time from active EN to VO 175 VO = 1.2 V, RL = 5Ω, PWM operation TPS62352 Time from active EN to VO 170 VO = 1.05 V, IO(DC) = 0 mA, Light PFM operation 5 Submit Documentation Feedback |
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