Texas Instruments 10A, 12V Input, 1.8V Output Synchronous Buck Converter using the TPS40192 and NexFET MOSFETs TPS40192E TPS40192EVM-525 数据表
产品代码
TPS40192EVM-525
User's Guide
SLUU395 – December 2009
Using the TPS40192EVM-525, A 12-V Input, 1.8-V Output,
10-A Synchronous Buck Converter
Contents
1
Introduction
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2
TPS40192EVM-525 Electrical Performance Specifications
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3
Schematic
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4
Test Setup
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5
TPS40192EVM Typical Performance Data and Characteristic Curves
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6
EVM Assembly Drawings and Layout
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7
List of Materials
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List of Figures
1
TPS40198EVM-525 Schematic
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2
TPS40192EVM-525 Recommended Test Setup
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3
Output Ripple Measurement – Tip and Barrel Using TP15 and TP16
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4
Control Loop Measurement Setup
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5
TPS40192EVM-525 Efficiency vs Load Current,Vin = 8 V - 14 V, Vout = 1.8 V, Iout = 0 A - 10 A
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6
TPS40192EVM-525 Output Voltage vs Load Current,Vin = 8 V - 14 V, Vout = 1.8 V, Iout = 0 A - 10 A
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7
TPS40192EVM-525 Output Voltage Ripple,Vin = 14 V, Vout = 1.8 V, Iout = 10 A
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8
TPS40192EVM-525 Switching Waveforms,CH1: SW(TP9), CH2: HDRV(TP8), CH3: LDRV(TP10); Vin =
14 V, Vout = 1.8 V, Iout = 10 A
14 V, Vout = 1.8 V, Iout = 10 A
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9
TPS40192EVM-525 Component Placement (Viewed From Top)
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10
TPS40192EVM-525 Silkscreen (Viewed From Top)
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11
TPS40192EVM-525 Top Copper (Viewed From Top)
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12
TPS40192EVM-525 Bottom Copper (X-Ray View From Top)
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13
TPS40192EVM-525 Internal 1 (X-Ray View From Top)
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14
TPS40192EVM-525 Internal 2 (X-Ray View From Top)
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List of Tables
1
Adjusting V
OUT
with R7
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2
Adjusting V
SCP
With R9
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3
TPS40192EVM-525 Bill of Materials
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1
SLUU395 – December 2009
Using the TPS40192EVM-525, A 12-V Input, 1.8-V Output, 10-A Synchronous
Buck Converter
Copyright © 2009, Texas Instruments Incorporated