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TPS563209 Datasheet(PDF) 5 Page - Texas Instruments |
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TPS563209 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 28 page TPS562209, TPS563209 www.ti.com SLVSCM5 – SEPTEMBER 2014 7.5 Electrical Characteristics TJ = -40°C to 150°C, VIN = 12V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY CURRENT µA IVIN Operating – non-switching supply current VIN current, TA = 25°C, EN = 5V, VFB = 0.8 V 650 900 µA IVINSDN Shutdown supply current VIN current, TA = 25°C, EN = 0 V 3.0 10 µA LOGIC THRESHOLD VENH EN high-level input voltage EN 1.6 V VENL EN low-level input voltage EN 0.6 V REN EN pin resistance to GND VEN = 12 V 225 450 900 k Ω VFB VOLTAGE AND DISCHARGE RESISTANCE TA = 25°C, VO = 1.05 V, continuous mode VFBTH VFB threshold voltage 758 765 772 mV operation IVFB VFB input current VFB = 0.8V, TA = 25°C 0 ±0.1 mA MOSFET TA = 25°C, VBST – SW = 5.5 V (TPS562209) 122 RDS(on)h High side switch resistance m Ω TA = 25°C, VBST – SW = 5.5 V (TPS563209) 68 TA = 25°C (TPS562209) 72 RDS(on)l Low side switch resistance m Ω TA = 25°C (TPS563209) 39 CURRENT LIMIT DC current, VOUT = 1.05V , L1 = 2.2 µH 2.5 3.2 4.3 Iocl Current limit(1) A DC current, VOUT = 1.05V , L1 = 1.5 µH 3.5 4.2 5.3 THERMAL SHUTDOWN Shutdown temperature 155 TSDN Thermal shutdown threshold(1) °C Hysteresis 35 ON-TIME TIMER CONTROL tON On time VIN = 12 V, VO = 1.05 V 150 ns tOFF(MIN) Minimum off time TA = 25°C, VFB = 0.5 V 260 310 ns SOFT START Tss Soft –start time Internal soft-start time, TA = 25°C 0.7 1.0 1.3 ms OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION 125%x VOVP Output OVP threshold OVP Detect Vfbth 65%xVf VUVP Output UVP threshold Hiccup detect bth THiccupO Hiccup Power On Time Relative to soft start time 1 ms n THiccupOf Hiccup Power Off Time Relative to soft start time 7 ms f UVLO Wake up VIN voltage 3.45 3.75 4.05 UVLO UVLO threshold V Hysteresis VIN voltage 0.13 0.32 0.55 (1) Not production tested. Copyright © 2014, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: TPS562209 TPS563209 |
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