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TPS62006-Q1 PDF预览

TPS62006-Q1

更新时间: 2024-11-24 02:58:51
品牌 Logo 应用领域
德州仪器 - TI 功效DC-DC转换器
页数 文件大小 规格书
26页 1215K
描述
HIGH-EFFICIENCY STEP-DOWN LOW POWER DC-DC CONVERTER

TPS62006-Q1 数据手册

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TPS62000, TPS62001, TPS62003  
TPS62004, TPS62005, TPS62006  
TPS62007, TPS62008  
www.ti.com ........................................................................................................................................... SLVS294ESEPTEMBER 2000REVISED AUGUST 2008  
HIGH-EFFICIENCY STEP-DOWN LOW POWER DC-DC CONVERTER  
1
FEATURES  
High-Efficiency Synchronous Step-Down  
Converter With Greater Than 95% Efficiency  
Low-Noise Operation Antiringing Switch and  
PFM/PWM Operation Mode  
2 V to 5.5 V Operating Input Voltage Range  
Internal Softstart  
Adjustable Output Voltage Range From 0.8 V  
to VI  
50-µA Quiescent Current (TYP)  
Available in the 10-Pin Microsmall Outline  
Package (MSOP)  
Fixed Output Voltage Options Available in  
0.9 V, 1 V, 1.2 V, 1.5 V, 1.8 V, 1.9 V, 2.5 V, and  
3.3 V  
Evaluation Module Available  
Synchronizable to External Clock Signal up to  
1 MHz  
APPLICATIONS  
Low-Power CPUs and DSPs  
Cellular Phones  
Up to 600 mA Output Current  
Organizers, PDAs, and Handheld PCs  
MP-3 Portable Audio Players  
Digital Cameras  
USB-Based DSL Modems and Other Network  
Interface Cards  
Pin-Programmable Current Limit  
High Efficiency Over a Wide Load Current  
Range in Power Save Mode  
100% Maximum Duty Cycle for Lowest  
Dropout  
DESCRIPTION  
The TPS6200x devices are a family of low-noise synchronous step-down dc-dc converters that are ideally suited  
for systems powered from a 1-cell Li-ion battery or from a 2- to 3-cell NiCd, NiMH, or alkaline battery. The  
TPS6200x operates typically down to an input voltage of 1.8 V, with a specified minimum input voltage of 2 V.  
EFFICIENCY  
vs  
LOAD CURRENT  
10 mH  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
V = 2 V  
I
1
8
V = 0.8 V  
O
9
5
V
L
FB  
IN  
to 5.5 V  
to V  
I
10 mF  
EN  
TPS6200x  
10 mF  
10  
4
SYNC = Low  
6
7
ILIM  
PGND  
SYNC = High  
SYNC  
GND  
PG  
PG  
FC  
3
2
0.1 mF  
WithVO 1.8 V; C = 10 mF, V <1.8 V; C = 47 mF  
o
o
O
V = 3.6 V,  
I
V
O
= 2.5 V  
0.1  
1
10  
100  
1000  
I
O
− Load Current − mA  
Figure 1.  
Figure 2. Typical Application Circuit for Fixed Output  
Voltage Option  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2000–2008, Texas Instruments Incorporated  
 

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