nmos与pmos LDO 的区别
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2012-03-27
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NMOS and PMOS Linear Voltage Regulators
Course Objective:
To be able to explain the differences between NMOS and PMOS Linear Voltage Regulators; their basic operation, advantages and limitations, as
well as identifing applications where one, or the other, would be appropriate choice.
Course Map/Table of Contents
1. Course Navigation
1.1 Course Navigation1.
2. Linear Voltage Regulator Basics
2.1 Introduction1.
2.2 The Linear Voltage Regulator2.
2.3 Simple Model3.
2.4 Simple Model, with variables4.
2.5 Simple Model, with values5.
2.6 Simple Model, with a change of Load Current6.
2.7 Simple Model, with a change in Input Voltage7.
2.8 The Control Loop8.
2.9 Simple Model, with Control Loop blocks9.
2.10 The Basic Real-World Model10.
3. So what's the difference?
3.1 The Bipolar model1.
3.2 The Bipolar model2.
3.3 The CMOS model3.
3.4 The CMOS model4.
4. Types of NMOS and PMOS Linear Voltage Regulators
4.1 Two Types1.
4.2 Standard Regulator2.
4.3 LDO Regulators3.
4.4 The Differences to consider4.
5. Standard NMOS Voltage Regulators
5.1 Introduction to the standard NMOS1.
5.2 Losses in the standard NMOS2.
5.3 Simple Model of losses in the standard NMOS3.
5.4 Driving the standard NMOS Pass Element4.
5.5 NMOS Gate Drive vs Low Load Current5.
5.6 NMOS Gate Drive vs High Load Current6.
5.7 Standard NMOS Output Capacitor Requirements7.
5.8 Standard NMOS Summary8.
6. NMOS "Dual-Rail" Voltage regulators
6.1 Introduction to NMOS "Dual-Rail" Voltage Regulator1.
6.2 Losses in the NMOS "Dual-Rail"2.
6.3 Simple Model of Losses in the NMOS "Dual-Rail" LDO3.
6.4 Driving the NMOS "Dual-Rail" Pass Element4.
6.5 Gate Drive vs Low Load Current5.
6.6 Gate Drive vs High Load Current6.
6.7 NMOS 'Dual-Rail' Output Capacitor Requirements7.
6.8 Summary8.
7. PMOS LDO Voltage Regulators
7.1 Introduction to PMOS LDO Voltage Regulators1.
7.2 Losses in the PMOS LDO drive circuitry2.
7.3 Simple Model of Losses in the PMOS LDO Regulator3.
7.4 Driving the PMOS LDO Pass Element4.
7.5 Gate Drive vs Low Load Current5.
7.6 Gate Drive vs High Load Current6.
7.7 PMOS LDO Output Capacitor Requirements7.
NMOS and PMOS Linear Voltage Regulators Copyright © 2010 by National Semiconductor Corporation All rights reserved
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