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TPS62000DGSRG4 PDF预览

TPS62000DGSRG4

更新时间: 2024-09-25 08:38:51
品牌 Logo 应用领域
德州仪器 - TI 转换器功效DC-DC转换器
页数 文件大小 规格书
25页 469K
描述
HIGH-EFFICIENCY STEP-DOWN LOW POWER DC-DC CONVERTER

TPS62000DGSRG4 数据手册

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SLVS294C − SEPTEMBER 2000 − REVISED SEPTEMBER 2003  
D
D
D
D
Low-Noise Operation Antiringing Switch  
and PFM/PWM Operation Mode  
FEATURES  
D
High-Efficiency Synchronous Step-Down  
Converter With Greater Than 95%  
Efficiency  
Internal Softstart  
50-µA Quiescent Current (TYP)  
Available in the 10-Pin Microsmall Outline  
Package (MSOP)  
D
D
2 V to 5.5 V Operating Input Voltage Range  
Adjustable Output Voltage Range From  
0.8 V to V  
D
Evaluation Module Available  
I
D
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  
D
Available in a Ultra-Small, 12-Pin  
NanoStar(Wafer Chip-Scale) Package  
APPLICATIONS  
D
D
D
D
Synchronizable to External Clock Signal up  
to 1 MHz  
D
Low-Power CPUs and DSPs  
Cellular Phones  
Up to 600 mA Output Current  
D
D
D
D
D
Pin-Programmable Current Limit  
Organizers, PDAs, and Handheld PCs  
MP-3 Portable Audio Players  
Digital Cameras  
High Efficiency Over a Wide Load Current  
Range in Power Save Mode  
D
100% Maximum Duty Cycle for Lowest  
Dropout  
USB-Based DSL Modems and Other  
Network Interface Cards  
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  
100  
10 µH  
V = 2 V  
I
to 5.5 V  
1
8
V = 0.8 V  
O
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
9
5
V
L
FB  
IN  
to V  
I
10 µF  
EN  
TPS6200x  
SYNC = Low  
10 µF  
10  
4
6
7
ILIM  
PGND  
SYNC = High  
SYNC  
GND  
PG  
PG  
FC  
3
2
0.1 µF  
V = 3.6 V,  
I
O
V
= 2.5 V  
With V 1.8 V; C = 10 µF, V <1.8 V; C = 47 µF  
O
o
O
o
0.1  
1
10  
100  
1000  
I
O
− Load Current − mA  
Figure 1  
Figure 2. Typical Application Circuit for Fixed  
Output Voltage Option  
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.  
ꢀꢩ  
Copyright 2002−2003, Texas Instruments Incorporated  
ꢥ ꢩ ꢦ ꢥꢞ ꢟꢳ ꢡꢠ ꢤ ꢬꢬ ꢪꢤ ꢢ ꢤ ꢣ ꢩ ꢥ ꢩ ꢢ ꢦ ꢮ  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

TPS62000DGSRG4 替代型号

型号 品牌 替代类型 描述 数据表
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