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TPS62112MRSATEP

更新时间： 2024-11-04 13:14:51
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
28页 938K
描述
2.4A SWITCHING REGULATOR, 1100kHz SWITCHING FREQ-MAX, PQCC16, PLASTIC, QFN-16

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TPS62112MRSATEP 技术参数

生命周期：Obsolete零件包装代码：QFN
包装说明：HVQCCN,针数：16
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.73
其他特性：PFM CONTROL TECHNIQ 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：17 V最小输入电压：3.1 V
标称输入电压：12 VJESD-30 代码：S-PQCC-N16
长度：4 mm功能数量：1
端子数量：16最高工作温度：125 °C
最低工作温度：-55 °C最大输出电流：2.4 A
封装主体材料：PLASTIC/EPOXY封装代码：HVQCCN
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
认证状态：Not Qualified座面最大高度：1 mm
表面贴装：YES切换器配置：BUCK
最大切换频率：1100 kHz温度等级：MILITARY
端子形式：NO LEAD端子节距：0.65 mm
端子位置：QUAD宽度：4 mm
Base Number Matches：1

TPS62112MRSATEP 数据手册

 浏览型号TPS62112MRSATEP的Datasheet PDF文件第2页浏览型号TPS62112MRSATEP的Datasheet PDF文件第3页浏览型号TPS62112MRSATEP的Datasheet PDF文件第4页浏览型号TPS62112MRSATEP的Datasheet PDF文件第5页浏览型号TPS62112MRSATEP的Datasheet PDF文件第6页浏览型号TPS62112MRSATEP的Datasheet PDF文件第7页 
TPS62110, TPS62111  
TPS62112, TPS62113  
www.ti.com .................................................................................................................................................... SLVS585A–JULY 2005–REVISED FEBRUARY 2009  
17-V, 1.5-A, SYNCHRONOUS STEP-DOWN CONVERTER  
1
FEATURES  
DESCRIPTION  
•
High-Efficiency Synchronous Step-Down  
Converter With up to 95% Efficiency  
The TPS6211x devices are a family of low-noise  
synchronous step-down dc-dc converters that are  
ideally suited for systems powered from a 2-cell Li-ion  
battery or from a 12-V or 15-V rail.  
•
•
3.1-V to 17-V Operating Input Voltage Range  
Adjustable Output Voltage Range From  
1.2 V to 16 V  
The TPS6211x is a synchronous PWM converter with  
integrated N- and P-channel power MOSFET  
switches. Synchronous rectification is used to  
increase efficiency and to reduce external component  
count. To achieve highest efficiency over a wide  
•
•
Fixed Output Voltage Options Available in  
3.3 V and 5 V  
Synchronizable to External Clock Signal up to  
1.4 MHz  
load-current range, the converter enters  
a
power-saving, pulse-frequency modulation (PFM)  
mode at light load currents. Operating frequency is  
typically 1 MHz, allowing the use of small inductor  
and capacitor values. The device can be  
synchronized to an external clock signal in the range  
of 0.8 MHz to 1.4 MHz. For low-noise operation, the  
converter can be operated in PWM-only mode. In the  
shutdown mode, the current consumption is reduced  
to less than 2 µA. The TPS6211x is available in the  
16-pin (RSA) QFN package, and operates over a  
free-air temperature range of –40°C to 85°C.  
•
•
Up to 1.5-A Output Current  
High Efficiency Over a Wide Load-Current  
Range Due to PFM/PWM Operation Mode  
•
100% Maximum Duty Cycle for Lowest  
Dropout  
•
•
•
20-µA Quiescent Current (Typical)  
Overtemperature and Overcurrent Protected  
Available in 16-Pin QFN Package  
APPLICATIONS  
TPS62111  
Efficiency vs Output Current  
•
•
•
Point-of-Load Regulation From 12-V Bus  
Organizers, PDAs, and Handheld PCs  
Handheld Scanners  
100  
4.2 V  
90  
TYPICAL APPLICATION  
80  
6.8 mH  
5 V  
V
= 3.8 V to 17 V  
I
TPS62111  
70  
VIN  
VIN  
EN  
SW  
SW  
V = 3.3 V  
O
1 MW  
60  
50  
40  
30  
20  
8.4 V  
PG  
LBO  
FB  
VINA  
C
= 10 mF  
1 mF  
I
CO = 22 mF  
25 V  
6.3 V  
AGND  
LBI  
12 V  
SYNC  
GND GND PwPD PGND PGND  
V
T
= 3.3 V  
= 25oC  
O
A
10  
0
PFM Mode  
0.0001  
0.001  
0.01  
0.1  
1
10  
I
- Output Current- A  
O
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.  
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 © 2005–2009, Texas Instruments Incorporated  
1234567...28

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