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TPS62203 PDF预览

TPS62203

更新时间： 2024-01-18 21:31:48
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
17页 271K
描述
HIGH-EFFICIENCY, SOT23 STEP-DOWN, DC-DC CONVERTER

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中文翻译

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TPS62203 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOT-23
包装说明：LSSOP,针数：5
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：0.73其他特性：PFM MODE ALSO AVAILABLE
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：VOLTAGE-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：6 V
最小输入电压：2.5 V标称输入电压：3.6 V
JESD-30 代码：R-PDSO-G5JESD-609代码：e4
长度：2.9 mm湿度敏感等级：1
功能数量：1端子数量：5
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：0.67 A最大输出电压：3.3 V
最小输出电压：3.3 V封装主体材料：PLASTIC/EPOXY
封装代码：LSSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, LOW PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1.45 mm
表面贴装：YES切换器配置：BUCK
最大切换频率：1500 kHz温度等级：INDUSTRIAL
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
端子节距：0.95 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：1.6 mm
Base Number Matches：1

TPS62203 数据手册

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TPS62200, TPS62201  
TPS62202, TPS62203, TPS62207  
TPS62204, TPS62205, TPS62208  
www.ti.com  
SLVS417D–MARCH 2002–REVISED MAY 2004  
HIGH-EFFICIENCY, SOT23  
STEP-DOWN, DC-DC CONVERTER  
FEATURES  
DESCRIPTION  
•
High Efficiency Synchronous Step-Down  
The TPS6220x devices are a family of high-efficiency  
synchronous step-down converters ideally suited for  
portable systems powered by 1-cell Li-Ion or 3-cell  
NiMH/NiCd batteries. The devices are also suitable to  
operate from a standard 3.3-V or 5-V voltage rail.  
Converter With up to 95% Efficiency  
•
•
2.5 V to 6.0 V Input Voltage Range  
Adjustable Output Voltage Range From 0.7 V  
to VI  
•
•
•
•
Fixed Output Voltage Options Available  
Up to 300 mA Output Current  
With an output voltage range of 6.0 V down to 0.7 V  
and up to 300 mA output current, the devices are  
ideal to power low voltage DSPs and processors  
used in PDAs, pocket PCs, and smart phones. Under  
nominal load current, the devices operate with a fixed  
switching frequency of typically 1 MHz. At light load  
currents, the part enters the power save mode  
operation; the switching frequency is reduced and the  
quiescent current is typically only 15 µA; therefore it  
achieves the highest efficiency over the entire load  
current range. The TPS6220x needs only three small  
external components. Together with the tiny SOT23  
package, a minimum system solution size can be  
achieved. An advanced fast response voltage mode  
control scheme achieves superior line and load regu-  
lation with small ceramic input and output capacitors.  
1 MHz Fixed Frequency PWM Operation  
Highest Efficiency Over Wide Load Current  
Range Due to Power Save Mode  
•
•
•
•
•
15-µA Typical Quiescent Current  
Soft Start  
100% Duty Cycle Low-Dropout Operation  
Dynamic Output-Voltage Positioning  
Available in a Tiny 5-Pin SOT23 Package  
APPLICATIONS  
•
•
•
•
•
•
PDAs and Pocket PC  
Cellular Phones, Smart Phones  
Low Power DSP Supply  
Digital Cameras  
Portable Media Players  
Portable Equipment  
EFFICIENCY  
vs  
LOAD CURRENT  
100  
V
= 1.8 V  
O
95  
90 V = 2.7 V  
I
85  
80  
75  
70  
65  
60  
55  
50  
L1  
10 µH  
TPS62202  
5
V = 3.7 V  
I
V
V
O
1
2
I
V
I
SW  
2.5 V − 6 V  
1.8 V / 300 mA  
C2  
10 µF  
V = 5 V  
I
C1  
4.7 µF  
GND  
3
4
EN  
FB  
Figure 1. Typical Application  
(Fixed Output Voltage Version)  
45  
40  
0.010  
0.100  
1
10  
100  
1000  
I
−Load Current − mA  
L
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 © 2002–2004, Texas Instruments Incorporated  
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中文翻译

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TPS62203 替代型号

型号 品牌 替代类型 描述 数据表
TPS62202 TI

功能相似

 HIGH-EFFICIENCY, SOT23 STEP-DOWN, DC-DC CONVERTER
TPS62201 TI

功能相似

 HIGH-EFFICIENCY, SOT23 STEP-DOWN, DC-DC CONVERTER
TPS62200 TI

功能相似

 HIGH-EFFICIENCY, SOT23 STEP-DOWN, DC-DC CONVERTER

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TPS62204DBV TI

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 		HIGH-EFFICIENCY, SOT23 STEP-DOWN, DC-DC CONVERTER

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