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TPS82140SILT Datasheet(PDF) 5 Page - Texas Instruments |
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TPS82140SILT Datasheet(HTML) 5 Page - Texas Instruments |
5 / 26 page 5 TPS82140 www.ti.com SLVSDN3 – JUNE 2017 Product Folder Links: TPS82140 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated 6.5 Electrical Characteristics TJ = -40°C to 125°C and VIN = 3.0V to 17V. Typical values are at TJ = 25°C and VIN = 12V, unless otherwise noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY IQ Quiescent current into VIN No load, device not switching 20 35 µA ISD Shutdown current into VIN EN = Low 1.5 7.4 µA VUVLO Under voltage lock out threshold VIN falling 2.6 2.7 2.8 V VIN rising 2.8 2.9 3.0 V TJSD Thermal shutdown threshold TJ rising 160 °C TJ falling 140 °C LOGIC INTERFACE (EN) VIH High-level input voltage 0.9 0.65 V VIL Low-level input voltage 0.45 0.3 V Ilkg(EN) Input leakage current into EN pin EN = High 0.01 1 µA CONTROL (SS/TR, PG) ISS/TR SS/TR pin source current 2.1 2.5 2.8 µA VPG Power good threshold VOUT rising, referenced to VOUT nominal 92% 95% 99% VOUT falling, referenced to VOUT nominal 87% 90% 94% VPG,OL Power good low-level voltage Isink = 2mA 0.1 0.3 V Ilkg(PG) Input leakage current into PG pin VPG = 1.8V 1 400 nA OUTPUT VFB Feedback regulation voltage PWM mode 785 800 815 mV TJ = 0°C to 85°C 788 800 812 PSM COUT = 22µF 785 800 823 COUT = 2x22µF, TJ = 0°C to 85°C 788 800 815 Ilkg(FB) Feedback input leakage current VFB = 0.8V 1 100 nA Line regulation IOUT = 1A, VOUT = 1.8V 0.002 %/V Load regulation IOUT = 0.5A to 2A, VOUT = 1.8V 0.12 %/A POWER SWITCH RDS(on) High-side FET on-resistance ISW = 500mA, VIN ≥ 6V 90 170 m Ω ISW = 500mA, VIN = 3V 120 Low-side FET on-resistance ISW = 500mA, VIN ≥ 6V 40 70 ISW = 500mA, VIN = 3V 50 RDP Dropout resistance 100% mode, VIN ≥ 6V 125 m Ω 100% mode, VIN = 3V 160 ILIMF High-side FET switch current limit VIN = 6V, TJ = 25°C 3 3.5 4 A fSW PWM switching frequency IOUT = 1A, VOUT = 1.8V 2.0 MHz |
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