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TPS61222DCKT Datasheet(PDF) 3 Page - Texas Instruments |
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TPS61222DCKT Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 22 page  ELECTRICAL CHARACTERISTICS TPS61220 TPS61221 TPS61222 www.ti.com ............................................................................................................................................................................................... SLVS776 – JANUARY 2009 over recommended free-air temperature range 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 TPS61220 output voltage range VIN < VOUT 1.8 5.5 V VFB TPS61220 feedback voltage 483 500 513 mV VOUT TPS61221 output voltage (3.3V) VIN < VOUT 3.20 3.30 3.41 V VOUT TPS61222 output voltage (5V) 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 Quiescent IQ IO = 0 mA, VEN = VIN = 1.2 V, VOUT = 3.3 V current VOUT 5 7.5 µA Shutdown ISD VIN VEN = 0 V, VIN = 1.2 V, VOUT ≥ VIN 0.2 0.5 µA current 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 TPS61220 Feedback input IFB VFB = 0.5 V 0.01 µA current IEN EN input current Clamped on GND or VIN (VIN < 1.5 V) 0.005 0.1 µA CONTROL STAGE PARAMETER TEST CONDITIONS MIN TYP MAX UNIT 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 VUVLO Undervoltage lockout threshold for turn off VIN decreasing 0.5 0.7 V Overvoltage protection threshold 5.5 7.5 V Overtemperature protection 140 °C Overtemperature hysteresis 20 °C Copyright © 2009, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): TPS61220 TPS61221 TPS61222 |
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