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TPS62220DDC PDF预览

TPS62220DDC

更新时间： 2024-01-20 20:43:20
品牌 Logo 应用领域
德州仪器 - TI 转换器稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管功效
页数 文件大小 规格书
20页 454K
描述
400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23

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TPS62220DDC 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：TSSOP,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：0.86Samacsys Confidence：3
Samacsys Status：ReleasedSamacsys PartID：4665
Samacsys Pin Count：5Samacsys Part Category：Integrated Circuit
Samacsys Package Category：SOT23 (5-Pin)Samacsys Footprint Name：TPS62220DDCT-1
Samacsys Released Date：2015-04-16 09:48:08Is Samacsys：N
其他特性：ALSO OPERATES IN ADJUSTABLE MODE FROM 0.7V TO 6V; PFM MODE IS 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 VJESD-30 代码：R-PDSO-G5
JESD-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：0.4 A
最大输出电压：6 V最小输出电压：0.7 V
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN 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：1.1 mm表面贴装：YES
切换器配置：BUCK最大切换频率：1850 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 mmBase Number Matches：1

TPS62220DDC 数据手册

 浏览型号TPS62220DDC的Datasheet PDF文件第2页浏览型号TPS62220DDC的Datasheet PDF文件第3页浏览型号TPS62220DDC的Datasheet PDF文件第4页浏览型号TPS62220DDC的Datasheet PDF文件第5页浏览型号TPS62220DDC的Datasheet PDF文件第6页浏览型号TPS62220DDC的Datasheet PDF文件第7页 
TPS62220, TPS62221, TPS62222  
TPS62223, TPS62224  
TPS62228, TPS62229  
www.ti.com  
SLVS491C–SEPTEMBER 2003–REVISED SEPTEMBER 2004  
400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23  
FEATURES  
DESCRIPTION  
•
High-Efficiency Synchronous Step-Down Con-  
verter With up to 95% Efficiency  
The TPS6222x 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.  
•
•
2.5-V to 6.0-V Input Voltage Range  
Adjustable Output Voltage Range From 0.7 V  
to VI  
With an output voltage range of 6.0 V down to 0.7 V  
and up to 400-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 1.25 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,  
the device achieves the highest efficiency over the  
entire load current range. The TPS6222x needs only  
three small external components. Together with the  
tiny TSOT23 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.  
•
•
•
•
Fixed Output Voltage Options Available  
Up to 400-mA Output Current  
1.25-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 TSOT23 Package  
APPLICATIONS  
•
•
•
•
•
•
•
PDAs and Pocket PC  
Cellular Phones, Smart Phones  
OMAP™ and Low Power DSP Supply  
Digital Cameras  
Portable Media Players  
Portable Equipment  
WLAN PC Cards  
100  
V
= 1.8 V,  
O
95  
90  
85  
80  
75  
70  
65  
60  
55  
50  
L = 4.7 µH,  
= 22 µF  
C
O
L1  
TPS62220  
4.7 µH  
V
V
1
2
3
5
4
O
V = 2.7 V  
I
I
V
SW  
I
1.5 V/400 mA  
2.5 V to 6 V  
C4  
10 µF  
R1  
360 kΩ  
C1  
22 pF  
GND  
EN  
C3  
4.7 µF  
FB  
V = 3.7 V  
I
C2  
100 pF  
R2  
180 kΩ  
V = 5 V  
I
45  
40  
0.01  
0.1  
1
10  
100 1000  
Typical Application (Adjustable Output Voltage Version)  
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.  
OMAP is a trademark of Texas Instruments.  
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 © 2003–2004, Texas Instruments Incorporated  
1234567...20

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