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TPS62231 Datasheet(PDF) 6 Page - Texas Instruments |
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TPS62231 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 32 page VIN GND FB MODE EN SW L =1/2.2 H m TPS6223X V =2.05Vto6V IN C 2.2 F IN m VOUT C 4.7 F OUT m C :MurataGRM155R60J225ME15D2.2 F0402size IN m C :MurataGRM188R60J475ME4.7 F0603size,VOUT >=1.8V C : Taiyo Yuden AMK105BJ475MV4.7 F0402size,VOUT =1.2V l:MurataLQM2HPN1R0MJ01 H,LQM2HPN2R2MJ02.2 H, size2.5x2.0x1.2mm OUT OUT m m m m 3 TPS62230, TPS62231, TPS62232, TPS62233, TPS62234 TPS62235, TPS62236, TPS62237, TPS62238, TPS62239 TPS622310, TPS622311, TPS622312, TPS622313, TPS622314 SLVS941C – APRIL 2009 – REVISED APRIL 2010 www.ti.com PARAMETER MEASUREMENT INFORMATION TYPICAL CHARACTERISTICS Table of Graphs FIGURE h Efficiency vs Load current 1, 2, 3, 4, 5, 6, 7 h Efficiency vs Output Current 8, 9, 10, 11 12, 13, 14, 15, VO Output voltage vs Output current 16, 17 18, 19, 20, 21, Switching frequency vs Output current 22, 23, 24, 25, 26, 27 IQ Quiescent current vs Ambient temperature 28 ISD Shutdown current vs Ambient temperature 29 PMOS Static drain-source on-state resistance vs Supply voltage and ambient temperature 30 rDS(ON) NMOS Static drain-source on-state resistance vs Supply voltage and ambient temperature 31 PSRR Power supply rejection ratio vs Frequency 32 Typical operation 33, 34, 35 PFM 36 Line transient response PWM 37 Mode transition PFM / forced PWM 38 AC - load regulation performance 39, 40, 41 Load transient response 42, 43, 44, 45 Start-up 46, 47 Spurious Output Noise, 12R Load 48 Spurious Output Noise, 100R Load 49 6 Submit Documentation Feedback Copyright © 2009–2010, Texas Instruments Incorporated |
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