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TPS54229EDDA Datasheet(PDF) 3 Page - Texas Instruments |
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TPS54229EDDA Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 24 page  TPS54229E www.ti.com SLVSAZ7A – SEPTEMBER 2011 – REVISED MARCH 2012 RECOMMENDED OPERATING CONDITIONS over operating free-air temperature range, (unless otherwise noted) MIN MAX UNIT VIN Supply input voltage range 4.5 18 V VBST –0.1 24 VBST (10 ns transient) –0.1 27 VBST(vs SW) –0.1 5.7 SS –0.1 5.7 VI Input voltage range EN –0.1 18 V VFB –0.1 5.5 SW –1.8 18 SW (10 ns transient) –3 21 GND –0.1 0.1 VO Output voltage range VREG5 –0.1 5.7 V IO Output Current range IVREG5 0 10 mA TA Operating free-air temperature –40 85 °C TJ Operating junction temperature –40 150 °C ELECTRICAL CHARACTERISTICS over operating free-air temperature range, VIN = 12 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY CURRENT VIN current, TA = 25°C, EN = 5 V, IVIN Operating - non-switching supply current 800 1200 μA VFB = 0.8 V IVINSDN Shutdown supply current VIN current, TA = 25°C, EN = 0 V 5.8 10 μA LOGIC THRESHOLD EN high-level input voltage EN 1.6 V VEN EN low-level input voltage EN 0.6 V VFB VOLTAGE AND DISCHARGE RESISTANCE TA = 25°C, VO = 1.05 V, IO = 10 mA, Eco- 770 mV mode™ operation VFBTH VFB threshold voltage TA = 25°C, VO = 1.05 V, continuous mode 749 765 781 mV operation IVFB VFB input current VFB = 0.8 V, TA = 25°C 0 ±0.1 μA VREG5 OUTPUT TA = 25°C, 6.0 V < VIN < 18 V, VVREG5 VREG5 output voltage 5.5 V 0 < IVREG5 < 5 mA IVREG5 Output current VIN = 6 V, VREG5 = 4.0 V, TA = 25°C (1) 60 mA MOSFET High side switch resistance 25°C, VBST - SW = 5.5 V (1) 160 m Ω RDS(on) Low side switch resistance 25°C(1) 110 m Ω CURRENT LIMIT Iocl Current limit L out = 2.2 μH(1) 2.5 3.3 4.7 A (1) Not production tested. Copyright © 2011–2012, Texas Instruments Incorporated 3 Product Folder Link(s) :TPS54229E |
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