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TPSM82821 Datasheet(PDF) 5 Page - Texas Instruments |
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TPSM82821 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 54 page  7.5 Electrical Characteristics TJ = –40°C to 125°C and VIN = 2.4 V to 5.5 V. Typical values are at TJ = 25°C and VIN = 5 V, unless otherwise noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY IQ Quiescent current into the VIN EN = High, no load, device not switching 4 10 µA ISD Shutdown current into the VIN EN = Low, TJ = –40°C to 85°C 0.05 0.5 µA IQ Quiescent current EN = High, no load, device switching, FPWM devices 8 mA VUVLO Undervoltage lockout threshold VIN falling 2.1 2.2 2.3 V Undervoltage lockout hysteresis VIN rising 160 mV TJSD Thermal shutdown threshold TJ rising 150 °C Thermal shutdown hysteresis TJ falling 20 °C LOGIC INTERFACE EN VIH High-level input voltage 1.0 V VIL Low-level input voltage 0.4 V Ilkg(EN) Input leakage current into EN pin EN = High 0.01 0.1 µA SOFT START, POWER GOOD tSS Soft-start time Time from EN high to 95% of VOUT nominal 1.25 ms VPGTH Power-good lower threshold VPG rising, VFB referenced to VFB nominal 94% 96% 98% VPG falling, VFB referenced to VFB nominal 90% 92% 94% Power-good upper threshold VPG falling, VFB referenced to VFB nominal 103% 105% 107% VPG rising, VFB referenced to VFB nominal 108% 110% 112% VPG,OL Low-level output voltage Isink = 1 mA 0.4 V Ilkg(PG) Input leakage current into PG pin VPG = 5 V 0.01 0.1 µA OUTPUT VOUT Output voltage accuracy TPSM828211, TPSM828221, PWM mode 1.188 1.2 1.212 V TPSM828212, TPSM828222, PWM mode 1.782 1.8 1.818 TPSM828213, TPSM828223, PWM mode 2.475 2.5 2.525 TPSM828214, TPSM828224, PWM mode 3.267 3.3 3.333 VFB Feedback regulation voltage PWM mode 594 600 606 mV Ilkg(FB) Feedback input leakage current VFB = 0.6 V 0.01 0.05 µA IDIS Output discharge current EN = Low, VSW = 0.4 V 75 400 mA POWER SWITCH RDS(on) High-side FET on-resistance 26 mΩ Low-side FET on-resistance 26 mΩ RDP Dropout resistance TPSM82821, TPSM82821A, 100% mode. VIN = 2.7 V, TJ = 25°C 115 145 mΩ TPSM82822, TPSM82822A, 100% mode. VIN = 2.7 V, TJ = 25°C 90 120 TPSM82823, TPSM82823A, 100% mode. VIN = 2.7 V, TJ = 25°C 70 95 ILIMF High-side FET switch current limit TPSM82821A 1.7 2.1 2.4 A ILIMF High-side FET switch current limit TPSM82821 1.75 2.2 2.75 A TPSM82822, TPSM82822A 2.7 3.3 3.9 TPSM82823, TPSM82823A 3.7 4.3 5.0 ILIM Low-side FET negative current limit, DC TPSM82821A/TPSM82822A/TPSM82823A –1.6 A fSW PWM switching frequency IOUT = 1 A 4 MHz www.ti.com TPSM82823, TPSM82822, TPSM82821, TPSM82823A, TPSM82822A, TPSM82821A SLVSEP0F – AUGUST 2019 – REVISED NOVEMBER 2021 Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback 5 Product Folder Links: TPSM82823 TPSM82822 TPSM82821 TPSM82823A TPSM82822A TPSM82821A |
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