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TPS65720YFFT Datasheet(PDF) 9 Page - Texas Instruments |
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TPS65720YFFT Datasheet(HTML) 9 Page - Texas Instruments |
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9 / 66 page  TPS65720, TPS657201, TPS657202, TPS65721 www.ti.com SLVS979A – OCTOBER 2009 – REVISED SEPTEMBER 2015 Electrical Characteristics (continued) VSYS = 3.6 V, VDCDC1 = 2.05 V, PFM mode, L = 3.3 μH, COUTDCDC1 = 4.7 μF, VINLDO1 = 2.05 V, VLDO1 = 1.85 V, TA = –40°C to 85°C typical values apply in a temperature range of 10°C to 35°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT STEP-DOWN CONVERTER VSYS Input voltage for DCDC1 2.3 5.6 V VSYS falling 2.15 2.2 2.25 V Internal undervoltage lockout UVLO threshold hysteresis VSYS rising 120 mV POWER SWITCH VSYS = VINDCDC1 = 3.6 V, YFF package 350 600 RDS(ON) High-side MOSFET ON-resistance m Ω VSYS = VINDCDC1 = 3.6 V, RSN package 400 650 ILK_HS High-side MOSFET leakage current VDS = 5.6 V 1 μA VINDCDC1/2 = 3.6 V, YFF package 300 500 m Ω RDS(ON) Low-side MOSFET ON-resistance VINDCDC1/2 = 3.6 V, RSN package 350 550 m Ω ILK_LS Low-side MOSFET leakage current VDS = 5.6 V 1 μA 2.3 V ≤ VIN ≤ 5.6 V, TPS65720 425 600 775 mA Forward current limit high-side and ILIMF low-side MOSFET 2.3 V ≤ VIN ≤ 5.6 V, TPS65721, TPS657201, TPS657202 625 850 1150 mA VSYS > 2.7 V; TPS65720 200 IO DC output current mA VSYS > 2.7 V; TPS65721, TPS657201, TPS657202 400 OUTPUT VOUT Output voltage range 0.6 Vin V VFB Feedback voltage for TPS65720, TPS65721 0.6 V Default output voltage for VOUT 1.85 V TPS657201 Default output voltage for VOUT 1.90 V TPS657202 FB pin input current for externally IFB External resistor-divider 0.1 μA adjustable version FB pin input current for TPS657201, IFB Internal resistor-divider 5 μA TPS657202 VIN = 2.3 V to 5.6 V; PFM operation, 0 mA < IOUT < IOUTMAX 1% 3% DC output voltage accuracy (1) VOUT VIN = 2.3 V to 5.6 V, PWM operation, 0 mA < IOUT < IOUTMAX –2% 2% DC output voltage load regulation PWM operation 0.5 %/A PGOOD threshold at falling output VDCDC1, VDCDC1, VPGOOD-falling <PGOODZ_DCDC1> is set to 1 V voltage nom-14% nom-7% PGOOD threshold at rising output VDCDC1, VPGOOD-rising <PGOODZ_DCDC1> is set to 0 V voltage nom-5% DCDC1 disabled; the discharge function can be disabled as an RDIS Internal discharge resistor at L 300 400 Ω EEPROM option THERMAL PROTECTION FOR DCDC1 AND LDO1 TSD Thermal shutdown Increasing junction temperature 150 °C Thermal shutdown hysteresis Decreasing junction temperature 30 °C (1) Output voltage specification does not include tolerance of external voltage programming resistors. Copyright © 2009–2015, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: TPS65720 TPS657201 TPS657202 TPS65721 |
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