Texas Instruments LM5180-Q1, Руководство пользователя

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2 SNVU592D – July 2018 – Revised April 2020
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LM5180-Q1 Single-Output EVM User's Guide
5.4 Test Procedure
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6 Test Data and Performance Curves
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6.1 Conversion Efficiency
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6.2 Load Regulation
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6.3 Operating Waveforms
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6.4 Enable On
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6.5 CISPR 25 EMI
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7 EVM Documentation
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7.1 Schematic
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7.2 Bill of Materials
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7.3 PCB Layout
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7.4 Assembly Drawings
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8 Device and Documentation Support
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8.1 Device Support
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8.2 Documentation Support
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List of Figures
1 LM5180 PSR Flyback Converter Simplified Schematic
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2 EVM Photo (Top Side), 50 mm × 35 mm
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3 EVM Test Setup
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4 Conversion Efficiency (Linear Scale)
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5 Conversion Efficiency (Log Scale)
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6 Load Regulation (Linear Scale)
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7 Load Regulation (Log Scale)
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8 SW Node Voltage, V
IN
= 24 V, I
OUT
= 1 A
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10
9 SW Node Voltage, V
IN
= 48 V, I
OUT
= 1 A
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10
10 Load Transient Response, V
IN
= 24 V, 0.1 A to 1 A at 1 A/µs
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11
11 Start-Up, V
IN
= 24 V, I
OUT
= 1 A Resistive
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12 Enable On, V
IN
= 24 V, I
OUT
= 1 A
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12
13 CISPR 25 Class 5 Conducted Emissions Plot, V
IN
= 12 V, I
OUT
= 0.85 A, (a) 150 kHz to 30 MHz, (b) 30
MHz to 108 MHz
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13
14 CISPR 25 Class 5 Conducted Emissions Plot, V
IN
= 24 V, I
OUT
= 0.85 A, (a) 150 kHz to 30 MHz, (b) 30
MHz to 108 MHz
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13
15 CISPR 25 Class 5 Radiated Emissions Plot, V
IN
= 13.5 V, I
OUT
= 0.5 A
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16 PSR Flyback EVM Schematic
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17 Top Copper (Top View)
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18 Bottom Copper (Top View)
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19 Top Component Drawing
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20 Bottom Component Drawing
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21 Layout Design Tips for a Single-output PSR Flyback Converter
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List of Tables
1 PSR Flyback DC/DC Converter Family
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1
2 Electrical Performance Characteristics
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4
3 EVM Connections
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4 Bill of Materials
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