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TPS60205DGSR PDF预览

TPS60205DGSR

更新时间： 2024-11-24 23:37:23
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德州仪器 - TI 模拟IC
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18页 389K
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Analog IC

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TPS60205DGSR 数据手册

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TPS60204, TPS60205  
REGULATED 3.3-V, 100-mA LOW-RIPPLE CHARGE PUMP  
LOW POWER DC/DC CONVERTERS  
SLVS354A – FEBRUARY 2001 – REVISED SEPTEMBER 2001  
D
D
Compact Converter Solution in UltraSmall  
10-pin MSOP With Only Four External  
Capacitors Required  
features  
D
Regulated 3.3-V Output Voltage With up to  
100-mA Output Current From a 1.8-V to  
3.6-V Input Voltage  
Evaluation Module Available  
(TPS60200EVM-145)  
D
D
D
D
Less Than 5-mV  
Achieved With Push-Pull Topology  
Output Voltage Ripple  
(PP)  
applications  
Integrated Low-Battery and Power-Good  
Detector  
D
Replaces DC/DC Converters With Inductors  
in Battery Powered Applications Like:  
– Two Battery Cells to 3.3-V Conversion  
– MP3 Portable Audio Players  
– Battery-Powered Microprocessor  
Systems  
– Backup-Battery Boost Converters  
– PDA’s, Organizers, and Cordless Phones  
– Handheld Instrumentation  
Switching Frequency Can Be Synchronized  
to External Clock Signal  
Extends Battery Usage With up to 90%  
Efficiency and 35-µA Quiescent Supply  
Current  
D
D
Easy-to-Design, Low Cost, Low EMI Power  
Supply Since No Inductors Are Used  
– Glucose Meters and Other Medical  
Instruments  
0.05-µA Shutdown Current, Battery is  
Isolated From Load in Shutdown Mode  
·
description  
The TPS6020x step-up, regulated charge pumps generate a 3.3-V ±4% output voltage from a 1.8-V to 3.6-V  
input voltage. The devices are typically powered by two Alkaline, NiCd, or NiMH battery cells and operate down  
to a minimum supply voltage of 1.6 V. Continuous output current is a minimum of 100 mA from a 2-V input. Only  
four external capacitors are needed to build a complete low-ripple dc/dc converter. The push-pull operating  
mode of two single-ended charge pumps assures the low output voltage ripple, as current is continuously  
transferred to the output.  
TPS60204  
OUTPUT  
3.3 V, 100 mA  
INPUT  
1.6 V to 3.6 V  
PEAK OUTPUT CURRENT  
vs  
TPS60204  
5
7
1
IN  
OUT  
INPUT VOLTAGE  
C
2.2 µF  
o
R1  
R2  
350  
300  
250  
C
i
2.2 µF  
R3  
LBI  
10  
LBO  
Low Battery  
Warning  
4
6
8
C1+  
C2+  
C2–  
C1  
1 µF  
200  
150  
100  
50  
3
9
C2  
1 µF  
C1–  
EN  
GND  
2
OFF/ON  
Figure 1. Typical Application Circuit  
With Low-Battery Warning  
0
1.6  
2.0  
2.4  
2.8  
3.2  
3.6  
V – Input Voltage – V  
I
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.  
Copyright 2001, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...18

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TPS60205DGSR 替代型号

型号 品牌 替代类型 描述 数据表
TPS60205DGSRG4 TI

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 REGULATED 3.3-V 100-MA LOW-RIPPLE CHARGE PUMP LOW POWER DC/DC CONVERTERS
TPS60205DGSG4 TI

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 REGULATED 3.3-V 100-MA LOW-RIPPLE CHARGE PUMP LOW POWER DC/DC CONVERTERS
TPS60205DGS TI

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 REGULATED 3.3-V, 100-mA LOW-RIPPLE CHARGE PUMP LOW POWER DC/DC CONVERTERS

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