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TPS62231DRYT Fiches technique(PDF) 7 Page - Texas Instruments |
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TPS62231DRYT Fiches technique(HTML) 7 Page - Texas Instruments |
7 / 28 page TYPICAL CHARACTERISTICS Table of Graphs 0.1 1 10 100 1000 I -OutputCurrent-mA O 0 10 20 30 40 50 60 70 80 90 100 MODE=GND, V =2.5V, L =2.2 H(LQM2HPN2R2MJ0) C =4.7 F OUT OUT m m V =5V IN V =2.9V IN V =3.6V IN V =4.2V IN 0 10 20 30 40 50 60 70 80 90 100 1 10 100 1000 I -OutputCurrent-mA O V =5V IN V =2.9V IN V =3.6V IN MODE=V , V =2.5V, L =2.2 H(LQM2HPN2R2MJ0) C =4.7 F IN OUT OUT m m V =4.2V IN TPS62230 TPS62231 TPS62232 www.ti.com ..................................................................................................................................................................................................... SLVS941 – APRIL 2009 FIGURE η Efficiency vs Load current 1, 2, 3, 4, 5, 6, 7 VO Output voltage vs Output current 8, 9, 10, 11, 12, 13 14, 15, 16, 17, 18, 19, Switching frequency vs Output current 20 IQ Quiescent current vs Ambient temperature 21 ISD Shutdown current vs Ambient temperature 22 PMOS Static drain-source on-state vs Supply voltage and ambient temperature 23 resistance rDS(ON) NMOS Static drain-source on-state vs Supply voltage and ambient temperature 24 resistance PSRR Power supply rejection ratio vs Frequency 25 Typical operation 26, 27, 28 PFM 29 Line transient response PWM 30 Mode transition PFM / forced PWM 31 AC - load regulation performance 32, 33, 34 Load transient response 35, 36, 37, 38 Start-up 39, 40 – – Figure 1. Efficiency PFM/PWM Mode 2.5V Output Voltage Figure 2. Efficiency Forced PWM Mode 2.5V Output Voltage Copyright © 2009, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Link(s): TPS62230 TPS62231 TPS62232 |
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