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TPS56120X Fiches technique(PDF) 5 Page - Texas Instruments |
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TPS56120X Fiches technique(HTML) 5 Page - Texas Instruments |
5 / 25 page 5 TPS561201, TPS561208 www.ti.com SLVSC95 – APRIL 2017 Product Folder Links: TPS561201 TPS561208 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated (1) Not production tested 6.5 Electrical Characteristics TJ = –40°C to 125°C, V = 12 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY CURRENT IVIN Operating – non-switching supply current VIN current, EN = 5 V, VFB = 0.8 V TPS561201 380 520 µA TPS561208 590 750 IVINSDN Shutdown supply current VIN current, EN = 0 V 1 10 µA LOGIC THRESHOLD VENH EN high-level input voltage EN 1.6 V VENL EN low-level input voltage EN 0.8 V REN EN pin resistance to GND VEN = 12 V 225 400 900 k Ω VFB VOLTAGE AND DISCHARGE RESISTANCE VFB threshold voltage VO = 1.05 V, IO = 10 mA, Eco-mode™ operation 774 mV VFBTH VFB threshold voltage VO = 1.05 V, continuous mode operation 749 768 787 mV IVFB VFB input current VFB = 0.8 V 0 ±0.1 µA MOSFET RDS(on)h High-side switch resistance TA = 25°C, VBST – SW = 5.5 V 140 m Ω RDS(on)l Low-side switch resistance TA = 25°C 84 m Ω CURRENT LIMIT Iocl Current limit DC current, VOUT = 1.05 V, L1 = 2.2 µH 1.2 1.6 2.0 A THERMAL SHUTDOWN TSDN Thermal shutdown threshold(1) Shutdown temperature 160 °C Hysteresis 25 ON-TIME TIMER CONTROL tOFF(MIN) Minimum off time VFB = 0.5 V 220 310 ns SOFT START tss Soft-start time Internal soft-start time 1.0 ms Frequency Fsw Switching frequency VIN = 12 V, VO = 1.05 V, FCCM mode 580 kHz OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION VUVP Output UVP threshold Hiccup detect (H > L) 65% THICCUP_WAI T Hiccup wait time 1.8 ms THICCUP_RE Hiccup time before restart 15 ms UVLO UVLO UVLO threshold Wake up VIN voltage 4.0 4.3 V Shut down VIN voltage 3.3 3.6 Hysteresis VIN voltage 0.4 |
Numéro de pièce similaire - TPS56120X |
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Description similaire - TPS56120X |
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