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TPS62140A Datasheet(PDF) 7 Page - Texas Instruments |
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TPS62140A Datasheet(HTML) 7 Page - Texas Instruments |
7 / 35 page COUT VOUT CIN L1 VIN FB PG TPS62140 R1 R2 CSS R3 VIN AVIN EN SS/TR DEF FSW SW VOS PG FB AGND PGND TPS62140, TPS62140A TPS62141, TPS62142, TPS62143 www.ti.com SLVSAJ0B – NOVEMBER 2011 – REVISED JUNE 2013 PARAMETER MEASUREMENT INFORMATION List of Components REFERENCE DESCRIPTION MANUFACTURER IC 17-V, 2-A step-down converter, QFN TPS62140RGT, Texas Instruments L1 2.2-µH, 3.1-A, 0.165 in × 0.165 in XFL4020-222MEB, Coilcraft Cin 10-µF, 25-V, ceramic Standard Cout 22-µF, 6.3-V, ceramic Standard Cs 3300-pF, 25-V, ceramic R1 Dependent on Vout R2 Dependent on Vout R3 100-k Ω, chip, 0603, 1/16W, 1% Standard Figure 4. Measurement Setup TYPICAL CHARACTERISTICS Table of Graphs DESCRIPTION FIGURE Efficiency vs Output Current, vs Input Voltage 5–16 vs Output current (Load regulation), vs Input Voltage Output voltage 17, 18 (Line regulation) vs Input Voltage 19 Switching Frequency vs Output Current 20 Quiescent Current vs Input Voltage 21 Shutdown Current vs Input Voltage 22 Power FET RDS(on) vs Input Voltage (High-Side, Low-Side) 23, 24 Output Voltage Ripple vs output Current 25 Maximum Output Current vs Input Voltage 26 Power Supply Rejection Ratio (PSSR) vs Frequency 27, 28 PWM-PSM-PWM Mode Transition 29 Load Transient Response 30–32 Waveforms Start-Up 33, 34 Typical PWM Mode Operation 35 Typical Power Save Mode Operation 36 vs Load Current 37 Maximum Ambient Temperature vs Power Dissipation 38 Copyright © 2011–2013, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: TPS62140 TPS62140A TPS62141 TPS62142 TPS62143 |
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