(C) 2004 SYNC POWER CORP. ALL Rights Reserved. 9F-5, No. 3-2, Park Street, Nankang District, (NKSP), Taiwan, 115 Tel:886-2-2655-8178 Fax:886-2-2655-8468.

Slides:

Advertisements

Similar presentations

(C) 2004 SYNC POWER CORP. ALL Rights Reserved. 9F-5, No. 3-2, Park Street, Nankang District, (NKSP), Taipei, Taiwan, 115, R.O.C. Tel: Fax:

Advertisements

The Inverting Mode Op-Amp. What is the Inverting Mode ? The op-amp can be connected up in various ways or modes. What it does depends on how it is connected.

線性穩壓器 (2) Linear Regulators (2) Instructor: Po-Yu Kuo ( 郭柏佑 ) 國立雲林科技大學電子工程系.

1 Electronic Circuits OP AMPs. 2 Electronic Circuits Operational amplifiers are convenient building blocks that can be used to build amplifiers and filters.

M2-3 Buck Converter Objective is to answer the following questions: 1.How does a buck converter operate?

ELE 1110D Lecture review Common-emitter amplifier Some functions of transistors  Current-source  Emitter Follower  Common-emitter amplifier.

1 Chapter 5 Sensors and Detectors A detector is typically the first stage of a communication system. Noise in this stage may have significant effects on.

Lecture 25 ANNOUNCEMENTS OUTLINE

(C) 2004 SYNC POWER CORP. ALL Rights Reserved. 9F-5, No. 3-2, Park Street, Nankang District, (NKSP), Taipei, Taiwan, 115, R.O.C. Tel: Fax:

EKT214 - ANALOG ELECTRONIC CIRCUIT II

Linear Regulator Fundamentals 2.1 Types of Linear Regulators.

Chapter 6 Voltage Regulators - Part 1- VOLTAGE REGULATION Two basic categories of voltage regulation are:  line regulation;  load regulation. line.

DC-DC Fundamentals 1.2 Linear Regulator. What is a Linear Regulator? The linear regulator is a DC-DC converter to provide a constant voltage output without.

An amplifier with a transistor that conducts during the entire 360º of the input signal cycle. Optimum class A operation is obtained by designing an amplifier.

© 2012 Pearson Education. Upper Saddle River, NJ, All rights reserved. Electronic Devices, 9th edition Thomas L. Floyd Lecture 9: Power Supplies.

Weather Station Project Temperature Light Dark Sensor Wind Speed Wind Direction 1.

Chapter 6 Voltage Regulators - Part 2-.

IC Voltage Regulator.

Chapter 6 Voltage Regulators - Part 1-.

CHAPTER 6 VOLTAGE REGULATOR POWER SUPPLIES (VOLTAGE REGULATORS) Fig. 6.1 Block diagram showing parts of a power supply. Power supply Power supply: a.

1 Electronic Circuits VOLTAGE REGULATION. 2 Electronic Circuits THE ZENER REGULATOR;

Analog IC Design First – A OPAMP Design Example. Date: 15th NOV, 2007 報告人：何建興.

AUTOMATIC VOLTAGE REGULATOR(AVR)

Purpose of Voltage Regulators

ECE 4991 Electrical and Electronic Circuits Chapter 8.

LDO Regulator John O’Hollaren. StandardQuasi-LDOLDO High Dropout Stability not a problem Medium Dropout Stability a concern Low Dropout Stability is a.

LDO Regulator John O’Hollaren. StandardQuasi-LDOLDO High Dropout Stability not a problem Medium Dropout Stability a concern Low Dropout Stability is a.

System Spec Goals My LDOTexas Instruments TLV1171 Minimum Drop Out1.0 V0.455 V Required Capacitance1 pF1 μF Pos. Settling Time10 nano sec~ 5 μ sec Neg.

Linear Regulator made by JACKY CHEN. Technical Review of Linear Regulator Operation & Performance 1.Dropout Voltage 4.Efficiency7.Transient Response 2.Quiescent.

LDO or Switcher? …That is the Question Choosing between an LDO or DC/DC Converter Frank De Stasi Texas Instruments.

Linear Regulator Fundamentals

Inverting and non-inverting amplifier

Chapter 6 Voltage Regulators By En. Rosemizi Bin Abd Rahim EMT212 – Analog Electronic II.

Tutorial 2 Question 1: For the common emitter amplifier shown in Fig.1 (a) draw the small signal equivalent circuit, representing the transistor in hybrid-

Linear Regulator Fundamentals 2.4 NMOS. Linear-Regulator Operation Voltage feedback samples the output R1 and R2 may be internal or external Feedback.

Chapter 6 Voltage Regulators - Part 2-.

Large Signal Amplifier Design Ryan Child 1. Background Large Signal Amplifiers belong to a class of amplifiers that are used for applications where high.

Applications of OP-AMP. Introduction Operational amplifier using IC's is inexpensive, versatile and easy to use. For this reason they are used not only.

EMT212 – Analog Electronic II

Linear Regulator Fundamentals

Voltage Divider Circuits Input transducers Input transducers are devices that convert a change in physical conditions (for example, temperature) into a.

1 CHAPTER 20 OPERATIONAL AMPLIFIERS (OP-AMPS). 2 Introduction to operational amplifiers Symbol and Terminals.

EE101-Lecture 8 Operational Amplifier Basics of amplifiers EE101 Fall 2012 Lect 8- Kang1 Noninverting amplifier & Inverting amplifier.

Introduction to DC-DC Conversion EE174 – SJSU Tan Nguyen.

Linear Regulator Fundamentals

An operational amplifier (Op-Amp) is a differential amplifier that amplifies the difference of voltages applied to its two input terminals (differential.

Linear LDO Regulator 03/07/2011.  Application circuit Linear Regulator (LDO)  Block digram.

Analog Integrated Circuits Number : Name: Jo-Yongmin.

Introduction to Linear Voltage Regulators Krishna Kishore Reddy K 2010H223084H.

5-3-2 The Emitter Follower. Learning Objectives: At the end of this topic you will be able to;

Power Supplies (Voltage Regulators)

A diagnosis method of DC/DC converter aging based on the variation of parasitic resistor 1/11 1. Introduction The power converter system supplies power.

Electronics SL – Option C.3 HL – Option F.5. Operational Amplifier An amplifier is a device that takes a signal and makes its bigger. – An mp3 player.

TYPES OF COUPLING IN AMPLIFIER

Quiz: Determining a SAR ADC’s Linear Range when using Operational Amplifiers TIPL 4101 TI Precision Labs – ADCs Created by Art Kay.

CHAPTER 6 VOLTAGE REGULATOR Tulus Ikhsan Nasution.

Subject Name: LINEAR INTEGRATED CIRCUITS Subject Code: 10EC46

AUTOMATIC STREET LIGHT CONTROL USING LDR

Why Use an instrumentation Amplifier?

Basic MOS Amplifiers: DC and Low Frequency Behavior

How Mobile Phone Jammer Works

6.0 Voltage Regulators.

Introduction to Linear Voltage Regulators

Chapter 6: Voltage Regulator

Schmitt Trigger Circuits

Electrical System P09045: Membrane Characterization Test Stand

Lecture 25 ANNOUNCEMENTS OUTLINE

Amplifiers for high efficiency loudspeakers

FEEDBACK AMPLIFIERS.

Unit –III Feedback Amplifiers

Presentation transcript:

(C) 2004 SYNC POWER CORP. ALL Rights Reserved. 9F-5, No. 3-2, Park Street, Nankang District, (NKSP), Taiwan, 115 Tel: Fax: Low Voltage - Low Dropout Regulator

(C) 2004 SYNC POWER CORP. ALL Rights Reserved. 9F-5, No. 3-2, Park Street, Nankang District, (NKSP), Taiwan, 115 Tel: Fax: LDO Character LDO stands for Low Drop-Out Regulator Minimize the difference between the input and output voltage when it ceases to regulate Provide a relatively simple and inexpensive power management solution

(C) 2004 SYNC POWER CORP. ALL Rights Reserved. 9F-5, No. 3-2, Park Street, Nankang District, (NKSP), Taiwan, 115 Tel: Fax: LDO Block Diagram Vout = ((R2+R1)/R2) * Vref

(C) 2004 SYNC POWER CORP. ALL Rights Reserved. 9F-5, No. 3-2, Park Street, Nankang District, (NKSP), Taiwan, 115 Tel: Fax: LDO Key Parameters Dropout Voltage Load Regulation Line Regulation Power Supply Rejection Ratio Output voltage is controlled by the resistive negative feedback Input voltage must be greater than the output voltage Low quiescent current

(C) 2004 SYNC POWER CORP. ALL Rights Reserved. 9F-5, No. 3-2, Park Street, Nankang District, (NKSP), Taiwan, 115 Tel: Fax: Low Drop-Out Voltage Regulator Composed of the following: Voltage Reference Pass Element Error Amplifier Feedback Resistors

(C) 2004 SYNC POWER CORP. ALL Rights Reserved. 9F-5, No. 3-2, Park Street, Nankang District, (NKSP), Taiwan, 115 Tel: Fax: Voltage Reference Provides a constant output voltage which will be compared with the output voltage from the feedback network

(C) 2004 SYNC POWER CORP. ALL Rights Reserved. 9F-5, No. 3-2, Park Street, Nankang District, (NKSP), Taiwan, 115 Tel: Fax: Error Amplifier and Resistive Network Error Amplifier –Produces an error signal whenever the fed back sensed output differs from the reference voltage Feedback Network –Produces the output voltage (voltage divider)

(C) 2004 SYNC POWER CORP. ALL Rights Reserved. 9F-5, No. 3-2, Park Street, Nankang District, (NKSP), Taiwan, 115 Tel: Fax: LDO Application PCMCIA Card Cellular Phones Camcorders Cameras DSL/Cable Modems MP3/CD Players