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TPS61021DSGT Datasheet(PDF) 5 Page - Texas Instruments |
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TPS61021DSGT Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 27 page  Output Current (A) 0.0001 0.001 0.01 0.1 1 10 0 10 20 30 40 50 60 70 80 90 100 D001 Vin = 0.9 V Vin = 1.2 V Vin = 1.8 V Vin = 2.4 V Vin = 3.0 V Output Current (A) 0.0001 0.001 0.01 0.1 1 10 0 10 20 30 40 50 60 70 80 90 100 D001 Vout = 2.5 V Vout = 3.3 V Vout = 4.0 V 5 TPS61021 www.ti.com SLVSD21B – NOVEMBER 2015 – REVISED MARCH 2016 Product Folder Links: TPS61021 Submit Documentation Feedback Copyright © 2015–2016, Texas Instruments Incorporated Electrical Characteristics (continued) TJ = –40°C to 125°C, VIN = 2.4 V and VOUT = 3.3 V. Typical values are at TJ = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VREF Reference voltage at the FB pin PWM mode 775 795 815 mV PFM mode 801 mV VOVP Output over-voltage protection threshold VOUT rising 4.15 4.35 4.60 V VOVP_HYS Over-voltage protection hysteresis 0.1 V IFB_LKG Leakage current at FB pin 20 nA ISW_LKG Leakage current into SW pin IC disabled, TJ up to 85°C 3.0 µA IVOUT_LKG Leakage current into VOUT pin IC disabled, VOUT = 4.0 V, TJ up to 85°C 1 2 µA POWER SWITCH RDS(on) High-side MOSFET on resistance VOUT = 3.3 V 51 m Ω Low-side MOSFET on resistance VOUT = 3.3 V 58 m Ω fSW Switching frequency VIN = 2.4 V, VOUT = 3.3 V, PWM mode 2.0 MHZ tOFF_min Minimum off time 80 120 ns ILIM_SW Valley current limit VIN = 2.4 V, VOUT = 3.3 V 3.0 4.3 A LOGIC INTERFACE VEN_H EN Logic high threshold VIN > 1.2 V 0.84 V VIN ≤ 1.2 V 0.7 x VIN VEN_L EN Logic Low threshold VIN > 1.2 V 0.36 V VIN ≤ 1.2 V 0.3 x VIN PROTECTION TSD Thermal shutdown threshold TJ rising 150 °C TSD_HYS Thermal shutdown hysteresis TJ falling below TSD 20 °C 6.6 Typical Characteristics VIN = 2.4 V, VOUT = 3.3 V, TJ = 25°C, unless otherwise noted VIN = 0.9 V, 1.2 V, 1.8 V, 2.4 V, 3.0 V, and VOUT = 3.3 V Figure 1. Load Efficiency with Different Input VIN = 2.4 V, and VOUT = 2.5 V, 3.3 V, 4.0 V Figure 2. Load Efficiency with Different Output |
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