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TPS61220 Datasheet(PDF) 4 Page - Texas Instruments |
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TPS61220 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 27 page ![]() TPS61220, TPS61221, TPS61222 SLVS776B – JANUARY 2009 – REVISED NOVEMBER 2014 www.ti.com 8.3 Recommended Operating Conditions MIN NOM MAX UNIT VIN Supply voltage at VIN 0.7 5.5 V TJ Operating virtual junction temperature –40 125 °C 8.4 Thermal Information TPS6122x THERMAL METRIC(1) DCK UNIT 6 PINS RθJA Junction-to-ambient thermal resistance 231.2 RθJCtop Junction-to-case (top) thermal resistance 61.8 RθJB Junction-to-board thermal resistance 78.8 °C/W ψJT Junction-to-top characterization parameter 2.2 ψJB Junction-to-board characterization parameter 78.0 RθJCbot Junction-to-case (bottom) thermal resistance n/a (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. 8.5 Electrical Characteristics over recommended free-air temperature range and over recommended input voltage range (typical at an ambient temperature range of 25°C) (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT DC/DC STAGE VIN Input voltage 0.7 5.5 V VIN Minimum input voltage at startup RLoad ≥ 150 Ω 0.7 V VOUT TPS61220 output voltage VIN < VOUT 1.8 6.0 V VFB TPS61220 feedback voltage 483 500 513 mV VOUT TPS61221 output voltage (3.3 V) VIN < VOUT 3.20 3.30 3.41 V VOUT TPS61222 output voltage (5 V) VIN < VOUT 4.82 5.00 5.13 V ILH Inductor current ripple 200 mA VOUT = 3.3 V, VIN = 1.2 V, TA = 25°C 240 400 mA ISW switch current limit VOUT = 3.3 V 200 400 mA VOUT = 3.3 V 1000 m Ω RDSon_HSD Rectifying switch on resistance VOUT = 5.0 V 700 m Ω VOUT = 3.3 V 600 m Ω RDSon_LSD Main switch on resistance VOUT = 5.0 V 550 m Ω Line regulation VIN < VOUT 0.5% Load regulation VIN < VOUT 0.5% VIN 0.5 0.9 μA IQ Quiescent current IO = 0 mA, VEN = VIN = 1.2 V, VOUT = 3.3 V VOUT 5 7.5 μA ISD Shutdown current VIN VEN = 0 V, VIN = 1.2 V, VOUT ≥ VIN 0.2 0.5 μA ILKG_VOUT Leakage current into VOUT VEN = 0 V, VIN = 1.2 V, VOUT = 3.3 V 1 μA ILKG_L Leakage current into L VEN = 0 V, VIN = 1.2 V, VL = 1.2 V, VOUT ≥ VIN 0.01 0.2 μA IFB TPS61220 Feedback input current VFB = 0.5 V 0.01 μA IEN EN input current Clamped on GND or VIN (VIN < 1.5 V) 0.005 0.1 μA CONTROL STAGE VIL EN input low voltage VIN ≤ 1.5 V 0.2 × 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 0.4 V VIH EN input high voltage 5 V > VIN > 1.5 V 1.2 V 4 Submit Documentation Feedback Copyright © 2009–2014, Texas Instruments Incorporated Product Folder Links: TPS61220 TPS61221 TPS61222 |
Similar Part No. - TPS61220_15 |
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Similar Description - TPS61220_15 |
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