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TPS65161PWPRG4 Datasheet(PDF) 8 Page - Texas Instruments |
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TPS65161PWPRG4 Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 31 page  TYPICAL CHARACTERISTICS 0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16 −40 −20 0 20 40 60 80 100 120 140 TA − Temperature − 5C VI = 8 V, VI = 12 V, VI = 14 V 0 10 20 30 40 50 60 70 80 90 100 0 0.5 1 1.5 2 VI = 12 V, VO = 15 V, L = 10 mH IO − Output Current − A TPS65161 TPS65161A, TPS65161B SLVS617C – APRIL 2006 – REVISED OCTOBER 2008 .................................................................................................................................................... www.ti.com TABLE OF GRAPHS FIGURE MAIN BOOST CONVERTER (Vs) η Efficiency main boost converter VS vs Load current VS = 15 V, VIN = 12 V 1 rDS(ON) N-channel main switch Q1 vs Input voltage and temperature 2 Soft-start boost converter CSS = 22 nF 3 PWM operation at full-load current 4 PWM operation at light-load current 5 Load transient response 6 STEP-DOWN CONVERTER (V(LOGIC)) η Efficiency main boost converter VS vs Load current V(LOGIC) = 3.3 V, VIN = 12 V 7 rDS(ON) N-channel main switch Q1 8 PWM operation - continuous mode 9 PWM operation - discontinuous mode 10 Soft start 11 Load transient response 12 SYSTEM PERFORMANCE fosc Oscillation frequency vs Input voltage and temperature 13 Power-up sequencing EN2 connected to VIN 14 Power-up sequencing EN2 enabled separately 15 BOOST CONVERTER BOOST CONVERTER EFFICIENCY rDS(on) - N-CHANNEL SWITCH vs vs OUTPUT CURRENT TEMPERATURE Figure 1. Figure 2. 8 Submit Documentation Feedback Copyright © 2006–2008, Texas Instruments Incorporated Product Folder Link(s): TPS65161 TPS65161A TPS65161B |
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