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TPS61222-EP Datasheet(PDF) 3 Page - Texas Instruments |
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TPS61222-EP Datasheet(HTML) 3 Page - Texas Instruments |
3 / 20 page ![]() TPS61222-EP www.ti.com SLVSBI2 – SEPTEMBER 2012 RECOMMENDED OPERATING CONDITIONS MIN NOM MAX UNIT VIN Supply voltage at VIN 0.7 5.5 V TJ Operating free air temperature range –55 125 °C ELECTRICAL CHARACTERISTICS TJ = −55°C to 125°C, TJ = TA and over recommended input voltage range (typical at an ambient temperature range of 25°C) (unless otherwise noted) DC/DC STAGE PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIN Input voltage range 0.7 5.5 V VIN Minimum input voltage at startup RLoad ≥ 150 Ω 0.7 V VOUT Output voltage (5 V) VIN < VOUT 4.8 5 5.19 V ILH Inductor current ripple 200 mA ISW Switch current limit VOUT = 5 V, VIN = 1.2 V 200 400 mA RDSon_HSD Rectifying switch on resistance VOUT = 5 V 700 m Ω RDSon_LSD Main switch on resistance VOUT = 5 V 550 m Ω Line regulation VIN < VOUT 0.5 % Load regulation VIN < VOUT 0.5 % VIN 0.5 1.4 μA Quiescent IQ IO = 0 mA, VEN = VIN = 1.2 V, VOUT = 5 V current VOUT 5 8.5 μA Shutdown ISD VIN VEN = 0 V, VIN = 1.2 V, VOUT ≥ VIN 0.2 0.96 μA current ILKG_L Leakage current into L VEN = 0 V, VIN = 1.2 V, VL = 1.2 V, VOUT ≥ VIN 0.01 0.3 μA IEN EN input current Clamped on GND or VIN (VIN < 1.5 V) 0.005 0.13 μA CONTROL STAGE PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIL EN input low voltage VIN ≤ 1.5 V 0.15 × VIN V VIH EN input high voltage VIN ≤ 1.5 V 0.8 × VIN V VIL EN input low voltage 5 V > VIN > 1.5 V 0.34 V VIH EN input high voltage 5 V > VIN > 1.5 V 1.28 V VUVLO Undervoltage lockout threshold for turn off VIN decreasing 0.5 0.72 V Overvoltage protection threshold 5.5 7.5 V Overtemperature protection 140 °C Overtemperature hysteresis 20 °C Copyright © 2012, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links :TPS61222-EP |
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