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TPS564201DDCT Datasheet(PDF) 5 Page - Texas Instruments |
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TPS564201DDCT Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 25 page  5 TPS564201 www.ti.com SLVSDJ7A – MAY 2016 – REVISED MAY 2016 Product Folder Links: TPS564201 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated (1) Not production tested. 6.5 Electrical Characteristics TJ = –40°C to 125°C, VIN = 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 = 1 V TPS564201 400 510 µA IVINSDN Shutdown supply current VIN current, EN = 0 V 0.9 5 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 225 425 900 k Ω VFB VOLTAGE AND DISCHARGE RESISTANCE VFBTH VFB threshold voltage VO = 1.05 V, continuous mode operation 739 759 779 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 50 m Ω RDS(on)l Low-side switch resistance TA = 25°C 22 m Ω CURRENT LIMIT Iocl Current limit(1) DC current, VOUT = 1.05 V, L1 = 1.5 µH 4.2 6 7.7 A THERMAL SHUTDOWN TSDN Thermal shutdown threshold(1) Shutdown temperature 172 °C Hysteresis 38 ON-TIME TIMER CONTROL tOFF(MIN) Minimum off time VFB = 0.68 V 220 280 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 560 kHz OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION VUVP Output UVP threshold Hiccup detect (H > L) 65% THICCUP_WAIT Hiccup on time 1.9 ms THICCUP_RE Hiccup time before restart 15.5 ms UVLO UVLO UVLO threshold Wake up VIN voltage 4.0 4.3 V Shutdown VIN voltage 3.3 3.6 Hysteresis VIN voltage(1) 0.4 |
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