Texas Instruments 3A, 12V Input, Dual 5V and 3.3V Output Non-Synchronous SWIFT (tm) Buck Converter Evaluation Module TPS TPS55386EVM-363 Scheda Tecnica
Codici prodotto
TPS55386EVM-363
User's Guide
SLVU273 – September 2008
Using the TPS55386EVM-363 A 12V Input, 5.0V & 3.3V
Output, 3A Non-Synchronous Buck Converter
Contents
1
1.1
1.2
Applications
1.3
Features
2
TPS55386EVM-363 Electrical Performance Specifications
3
Schematic
3.1
Sequencing Jumper (JP3)
3.2
Enable Jumpers (JP1 and JP2)
3.3
Error Amplifier Outputs
3.4
Test Point Descriptions
4
Test Set UP
4.1
Equipment
4.2
Equipment Setup
....................................................................................................
4.3
Start Up / Shut Down Procedure
4.4
Output Ripple Voltage Measurement Procedure
4.5
Control Loop Gain and Phase Measurement Procedure
4.6
Equipment Shutdown
5
TPS55386EVM-363 Typical Performance Data and Characteristic Curves
5.1
Efficiency
5.2
Line and Load Regulation
5.3
Switch Node and Output Ripple Voltage
5.4
Output Ripple Voltage
5.5
CONTROL LOOP BODE PLOT
6
EVM Assembly Drawings and Layout
7
List of Materials
List of Figures
1
TPS55386EVM-363 Schematic (For Reference Only, See Table 4: Bill of Materials for Specific Values)
2
TPS55386EVM-363 Recommended Test Set-Up
3
Output Ripple Measurement – Tip and Barrel using TP3 and TP4 or TP18 and TP19
4
Control Loop Measurement Setup
5
TPS55386EVM-363 Efficiency vs Load Current
6
TPS55386EVM-363 Output Voltage vs Load Current
7
TPS55386EVM-363 Output Voltage Ripple
8
Output Ripple Voltage Measured at Test Points
9
Output Ripple Voltage Measured at Test Points
10
TPS55386EVM-363 Gain and Phase vs Frequency
11
TPS55386EVM-363 Component Placement (Viewed from Top)
12
TPS55386EVM-363 Silkscreen (Viewed from Top)
13
TPS55386EVM-363 Top Copper (Viewed from Top)
14
TPS55386EVM-363 Bottom Copper (X-Ray View from Top)
15
TPS55386EVM-363 Internal 1 (X-Ray View from Top)
16
TPS55386EVM-363 Internal 2 (X-Ray View from Top)
SLVU273 – September 2008
Using the TPS55386EVM-363 A 12V Input, 5.0V & 3.3V Output, 3A Non-Synchronous Buck Converter
1