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TPS63020 Datasheet(PDF) 3 Page - Texas Instruments |
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TPS63020 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 24 page TPS63020 TPS63021 www.ti.com SLVS916 – APRIL 2010 RECOMMENDED OPERATING CONDITIONS MIN NOM MAX UNIT Supply voltage at VIN, VINA 1.8 5.5 V Operating free air temperature range, TA –40 85 °C Operating junction temperature range, TJ –40 125 °C 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) DC/DC STAGE PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Input voltage range 1.8 5.5 V VI Minimum input voltage for startup 0°C ≤ TA ≤ 85°C 1.5 1.8 1.9 V Minimum input voltage for startup 1.5 1.8 2.0 V VO TPS63020 output voltage range 1.2 5.5 V Minimum duty cycle in step down conversion 30% 40% VFB TPS63020 feedback voltage 495 500 505 mV TPS63021 output voltage PS/SYNC = VIN 3.267 3.3 3.333 V Maximum line regulation 0.5% Maximum load regulation 0.5% f Oscillator frequency 2200 2400 2600 kHz Frequency range for synchronization 2200 2400 2600 kHz ISW Average switch current limit VIN = VINA = 3.6 V, TA = 25°C 3500 4000 4500 mA High side switch on resistance VIN = VINA = 3.6 V 50 m Ω Low side switch on resistance VIN = VINA = 3.6 V 50 m Ω VIN and VINA 25 50 mA Quiescent IO = 0 mA, VEN = VIN = VINA = 3.6 V, Iq current VOUT = 3.3 V VOUT 5 10 mA TPS63021 FB input impedance VEN = HIGH 1 M Ω IS Shutdown current VEN = 0 V, VIN = VINA = 3.6 V 0.1 1 mA CONTROL STAGE Under voltage lockout threshold VINA voltage decreasing 1.4 1.5 1.6 V UVLO Under voltage lockout hysteresis 200 mV VIL EN, PS/SYNC input low voltage 0.4 V VIH EN, PS/SYNC input high voltage 1.2 V EN, PS/SYNC input current Clamped to GND or VINA 0.01 0.1 mA PG output low voltage VOUT = 3.3 V, IPGL = 10 mA 0.04 0.4 V PG output leakage current 0.01 0.1 mA Output overvoltage protection 5.5 7 V Overtemperature protection 140 °C Overtemperature hysteresis 20 °C Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): TPS63020 TPS63021 |
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