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SLUUBQ8B – August 2017 – Revised January 2017
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Copyright © 2017, Texas Instruments Incorporated
Table of Contents
Contents
1
Introduction
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5
2
Description
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5
2.1
Typical Applications
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5
2.2
Features
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5
2.3
Using the EVM with UCC256302
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6
2.4
Using the EVM with UCC256303
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6
2.5
Using the EVM with UCC256304
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6
3
Performance Specifications
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7
4
UCC25630-1EVM-291 Schematic
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8
5
Test Setup
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9
5.1
Test Equipment
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9
5.2
Recommended Test Setup at No Load
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10
5.3
Recommended Test Setup With Load
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11
6
List of Test Points
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11
7
List of Terminals
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12
8
Test Procedure
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12
8.1
Equipment Shutdown
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12
9
Performance Data and Typical Characteristic Curves
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13
9.1
Efficiency
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13
9.2
Load Regulation
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13
9.3
Output Turn On
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14
9.4
Load Transient
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15
9.5
Output Voltage Ripple
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16
9.6
Burst Mode at Light Load
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16
9.7
Voltage on Resonant Capacitor
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17
9.8
X-Cap Discharge
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17
9.9
Bode Plot
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18
9.10
Switching Frequency vs. Load
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18
10
EVM Assembly Drawing and PCB Layout
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18
11
List of Materials
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21
Revision History
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