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參數(shù)資料
| 型號(hào)： | TPS40021EVM-001 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | High-Efficiency Synchronous Buck Converter with PWM Controller Evaluation Module(帶PWM控制器的高效率同步降壓轉(zhuǎn)換器TPS40021的評(píng)估模塊) |
| 中文描述： | 高效率同步降壓轉(zhuǎn)換器與PWM控制器評(píng)估模塊（帶脈寬調(diào)制控制器的高效率同步降壓轉(zhuǎn)換器TPS40021的評(píng)估模塊） |
| 文件頁數(shù)： | 1/13頁 |
| 文件大小： | 405K |
| 代理商： | TPS40021EVM-001 |
User’s Guide
SLUU144A April 2003 Revised November 2003
1
TPS40021EVM001 High-Efficiency Synchronous Buck
Converter with PWM Controller Evaluation Module
(HPA009)
Sophie Chen
System Power
Contents
1
2
3
4
5
Introduction
Design Procedure
Test Results
PCB Layout
List of Materials
2
3
6
8
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11
1
Introduction
The TPS4002x family of devices are low-input voltage synchronous, voltage-mode buck
controllers. Built upon the TPS40000 products, the TPS4002x family provides enhanced
operation and design flexibility through user programmability. The uses of the predictive gate
drive and charge pump/boost circuits combine to provide a highly efficient, smaller and less
expensive converter. It can be widely used in networking equipment, servers, base stations,
DSP power, and telecommunication applications. The datasheet describes the functionalities of
the controller in more detail. This User’s Guide describes the TPS40021EVM001 evaluation
module (HPA009), a step-down application from 3.3 V to 1.5 V with the TPS400021 PWM
controller.
A schematic of the evaluation module is shown in Figure 1. A recommended parts list is
provided in Table 1. The layout of the PCB board is shown in Figure 9.
The specification of this evaluation module is as follows:
Input voltage: 2.5 V
≤
V
IN
≤
5.0 V
Nominal voltage: 3.3 V
Output voltage V
OUT
: 1.5 V
Output current I
OUT
: 20 A
Switching frequency: 300 kHz
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS40021MPWPEP | 功能描述:DC/DC 開關(guān)控制器 Enhanced Prod Synch Buck Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| TPS40021MPWPREP | 功能描述:DC/DC 開關(guān)控制器 Enhanced Prod Synch Buck Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| TPS40021PWP | 功能描述:DC/DC 開關(guān)控制器 Low Input Sync Buck Cntrlr source/sink RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| TPS40021PWPG4 | 功能描述:DC/DC 開關(guān)控制器 Low Input Sync Buck Cntrlr source/sink RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| TPS40021PWPR | 功能描述:DC/DC 開關(guān)控制器 Low Input Sync Buck Cntrlr source/sink RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
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