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TPS62671 Datasheet(PDF) 7 Page - Texas Instruments |
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TPS62671 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 34 page V = 1.2 V O V = 2.7 V PFM/PWM Operation I V = 4.2 V PFM/PWM Operation I V = 3.6 V PFM/PWM Operation I V = 3.6 V Forced PWM I 0.1 1 10 100 1000 I - Load Current - mA O 0 10 20 30 40 50 60 70 80 90 100 0.1 1 10 100 1000 I - Load Current - mA O 0 10 20 30 40 50 60 70 80 90 100 V = 1.8 V O V = 4.2 V PFM/PWM Operation I V = 2.7 V PFM/PWM Operation I V = 3.6 V PFM/PWM Operation I V = 3.6 V Forced PWM I TPS62671, TPS62674, TPS62675, TPS62679 www.ti.com SLVS952B – APRIL 2010 – REVISED JANUARY 2011 TYPICAL CHARACTERISTICS Table of Graphs FIGURE vs Load current 3, 4, 5, 6 η Efficiency vs Input voltage 7 Peak-to-peak output ripple voltage vs Load current 8, 9 Combined line/load transient 10, 11 response 12, 13, 14, 15, 16, Load transient response 17, 18, 19, 20, 21 AC load transient response 22, 23 VO DC output voltage vs Load current 24, 25, 26 PFM/PWM boundaries vs Input voltage 27, 28 IQ Quiescent current vs Input voltage 29 PWM switching frequency vs Input voltage 30, 31 fs PFM switching frequency vs Input voltage 32 PWM operation 33, 34 Power-save mode operation 35 Start-up 36, 37, 38, 40 Shutdown 39, 41 PSRR Power supply rejection ratio vs. Frequency 42 Spurious output noise (PWM mode) vs. Frequency 43, 44, 46 Spurious output noise (PFM mode) vs. Frequency 45 Output spectral noise density vs. Frequency 47 EFFICIENCY EFFICIENCY vs vs LOAD CURRENT LOAD CURRENT Figure 3. Figure 4. © 2010–2011, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Link(s): TPS62671 TPS62674 TPS62675 TPS62679 |
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