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TPS62315YZ

更新时间： 2024-11-18 04:48:47
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
页数 文件大小 规格书
37页 1393K
描述
500-mA, 3-MHz SYNCHRONOUS STEP-DOWN CONVERTER IN CHIP SCALE PACKAGING

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中文翻译

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TPS62315YZ 技术参数

生命周期：Obsolete零件包装代码：BGA
包装说明：LEAD FREE, DSBGA-8针数：8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.84
Is Samacsys：N其他特性：PFM CONTROL TECHNIQUE IS ALSO POSSIBLE
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：2.7 V标称输入电压：3.6 V
JESD-30 代码：R-XBGA-B8长度：2.25 mm
功能数量：1端子数量：8
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：0.89 A标称输出电压：1.875 V
封装主体材料：UNSPECIFIED封装代码：VFBGA
封装等效代码：BGA8,2X4,20封装形状：RECTANGULAR
封装形式：GRID ARRAY, VERY THIN PROFILE, FINE PITCH认证状态：Not Qualified
座面最大高度：0.625 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：BUCK
最大切换频率：3350 kHz温度等级：INDUSTRIAL
端子形式：BALL端子节距：0.5 mm
端子位置：BOTTOM宽度：1.25 mm
Base Number Matches：1

TPS62315YZ 数据手册

 浏览型号TPS62315YZ的Datasheet PDF文件第2页浏览型号TPS62315YZ的Datasheet PDF文件第3页浏览型号TPS62315YZ的Datasheet PDF文件第4页浏览型号TPS62315YZ的Datasheet PDF文件第5页浏览型号TPS62315YZ的Datasheet PDF文件第6页浏览型号TPS62315YZ的Datasheet PDF文件第7页 
TPS62300, TPS62301, TPS62302  
TPS62303, TPS62304, TPS62305,  
CSP-8  
QFN-10  
TPS62311, TPS62313, TPS62315, TPS62320, TPS62321  
www.ti.com  
SLVS528E–JULY 2004–REVISED NOVEMBER 2007  
500-mA, 3-MHz SYNCHRONOUS STEP-DOWN CONVERTER  
IN CHIP SCALE PACKAGING  
1
FEATURES  
234  
•
Up to 93% Efficiency at 3-MHz Operation  
DESCRIPTION  
•
•
•
•
•
Up to 500-mA Output Current at VI = 2.7 V  
3-MHz Fixed Frequency Operation  
The TPS623xx device is  
a
high-frequency  
synchronous step-down dc-dc converter optimized for  
battery-powered portable applications. Intended for  
low-power applications, the TPS623xx supports up to  
500-mA load current and allows the use of tiny, low  
cost chip inductor and capacitors.  
Best in Class Load and Line Transient  
Complete 1-mm Component Profile Solution  
-0.5% / +1.3% PWM DC Voltage Accuracy Over  
Temperature  
The device is ideal for mobile phones and similar  
portable applications powered by a single-cell Li-Ion  
battery or by 3-cell NiMH/NiCd batteries. With an  
output voltage range from 5.4 V down to 0.6 V, the  
device supports the low-voltage TMS320™ DSP  
family, processors in smart-phones, PDAs as well as  
notebooks, and handheld computers.  
•
•
35-ns Minimum On-Time  
Power-Save Mode Operation at Light Load  
Currents  
•
•
•
•
Fixed and Adjustable Output Voltage  
Only 86-µA Quiescent Current  
100% Duty Cycle for Lowest Dropout  
The TPS62300 operates at 3-MHz fixed switching  
frequency and enters the power-save mode operation  
at light load currents to maintain high efficiency over  
the entire load current range. For low noise  
applications, the device can be forced into fixed  
frequency PWM mode by pulling the MODE/SYNC  
pin high. The device can also be synchronized to an  
external clock signal in the range of 3 MHz. In the  
shutdown mode, the current consumption is reduced  
to less than 1 µA.  
Synchronizable On the Fly to External  
Clock Signal  
•
•
Integrated Active Power-Down Sequencing  
(TPS6232x only)  
Available in a 10-Pin QFN (3 x 3 mm), 8-Pin  
NanoFree™, and NanoStar™ (CSP) Packaging  
APPLICATIONS  
•
•
•
•
•
•
Cell Phones, Smart-Phones  
WLAN and Bluetooth™ Applications  
Micro DC-DC Converter Modules  
PDAs, Pocket PCs  
USB-Based DSL Modems  
Digital Cameras  
The TPS623xx is available in a 10-pin leadless  
package (3 x 3 mm QFN) and an 8-pin chip-scale  
package (CSP).  
100  
V = 3.6 V,  
I
90  
80  
70  
60  
50  
40  
30  
20  
V
= 1.8 V  
O
TPS62303YZD  
L1  
2.7 V . . 6 V  
V
A2  
B2  
B1  
D1  
C2  
D2  
O
VIN  
EN  
SW  
1.8 V/500 mA  
V
C2  
1 µH  
I
C1  
VOUT  
4.7 µF  
C1  
A1  
4.7 µF  
MODE/SYNC  
GND  
ADJ  
FB  
L = 2.2 µH,  
Figure 1. Smallest Solution Size Application  
(Fixed Output Voltage)  
10  
0
C
O
= 4.7 µF  
0.1  
1
10  
100  
1 k  
I
− Load Current − mA  
O
Figure 2. Efficiency vs Load Current  
1
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.  
2
3
4
NanoFree, NanoStar, TMS320 are trademarks of Texas Instruments.  
Bluetooth is a trademark of Bluetooth SIG, Inc.  
PowerPAD is a trademark of Texas Instsruments.  
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 © 2004–2007, Texas Instruments Incorporated  
1234567...37

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