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SLVP125 EVM
Texas Instruments SLVP125 EVM Manuals
Manuals and User Guides for Texas Instruments SLVP125 EVM. We have
1
Texas Instruments SLVP125 EVM manual available for free PDF download: User Manual
Texas Instruments SLVP125 EVM User Manual (37 pages)
LDO Linear Regulator Design
Brand:
Texas Instruments
| Category:
Motherboard
| Size: 0.45 MB
Table of Contents
Table of Contents
5
1 Introduction
7
Low Dropout Voltage Linear Regulator Circuit Operation
8
Typical LDO Application
8
Design Strategy
9
Summary of LDO Families and Their Features
9
Schematic
10
SLVP125 EVM Universal LDO Tester Schematic Diagram
10
Bill of Materials
12
SLVP125 EVM Bill of Materials
12
Board Layout
14
Top Layer
14
Bottom Layer (Top View)
14
Assembly Drawing (Top Assembly)
15
2 EVM Adjustments and Test Points
17
Adjustment by Switch
18
Adjustment by Jumper
18
Adjustment by Trimmer
18
Adjustment by Programming Header
18
Jumper Functions
18
Trimmer Adjustments
18
Test Setup
19
Location of Adjustment Parts
19
Timing Equations
19
Test Setup
20
3 Circuit Design
21
Adjusting the Tps76X01/Tps77001 Output Voltage
22
Programming the Tps76X01/Tps77001
22
Resistor Values
23
Exact Resistor Values
23
E96 Resistor Series
25
Temperature Considerations
26
External Capacitor Requirements - ESR
27
Calculated and Measured Maximum Output Current Vs Input Voltage
27
ESR and ESL
27
LDO Output Stage with Parasitic Resistances ESR and ESL
28
Correlation of Different Esrs and Their Influence to the Regulation of
29
Load Step from Low to High Output Current
29
Rise Time of Function Generator at Gate of MOSFET Q1 (High Speed)
32
Rise Time of Function Generator at Gate of MOSFET Q1 (Low Speed)
32
Transient at Input (Ch1); 4.3 V Input, 3.3 V Output (Ch2) at 100 Ma Load
33
Delay Time en Output High
33
Out , Whole Period
34
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