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TPS62201 PDF预览

TPS62201

更新时间： 2024-02-26 20:37:00
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
19页 257K
描述
HIGH-EFFICIENCY, SOT23 STEP-DOWN, DC-DC CONVERTER

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TPS62201 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：0.8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：1.5 V
最小输出电压：1.5 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

TPS62201 数据手册

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TPS62200, TPS62201  
TPS62202, TPS62203  
TPS62204, TPS62205  
SLVS417B – MARCH 2002 – REVISED OCTOBER 2002  
HIGH-EFFICIENCY, SOT23  
STEP-DOWN, DC-DC CONVERTER  
FEATURES  
DESCRIPTION  
D
High Efficiency Synchronous Step-Down  
Converter With up to 95% Efficiency  
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.  
D
2.5 V to 6.0 V Input Voltage Range  
D
Adjustable Output Voltage Range From 0.7 V  
to V  
I
D
D
D
D
D
D
D
D
D
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 regulation 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  
D
D
D
D
D
D
PDAs and Pocket PC  
Cellular Phones, Smart Phones  
Low Power DSP Supply  
Digital Cameras  
EFFICIENCY  
vs  
LOAD CURRENT  
Portable Media Players  
Portable Equipment  
100  
V
= 1.8 V  
O
95  
90  
85  
80  
75  
70  
65  
60  
55  
50  
V = 2.7 V  
I
L1  
TPS62202  
10 µH  
5
V
V
O
1
2
I
V = 3.7 V  
I
V
SW  
FB  
I
2.5 V – 6 V  
1.8 V / 300 mA  
C2  
10 µF  
C1  
4.7 µF  
GND  
EN  
V = 5 V  
I
3
4
45  
40  
0.010  
Figure 1. Typical Application (Fixed Output  
Voltage Version)  
0.100  
1
10  
100  
1000  
I
L
– Load Current – mA  
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.  
Copyright 2002, Texas Instruments Incorporated  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
www.ti.com  
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