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TPS62410-Q1 PDF预览

TPS62410-Q1

更新时间： 2024-11-15 11:58:27
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
35页 1314K
描述
2.25MHz 2x800mA Dual Step Down Converter In Small 3x3mm QFN Package

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TPS62410-Q1 数据手册

 浏览型号TPS62410-Q1的Datasheet PDF文件第2页浏览型号TPS62410-Q1的Datasheet PDF文件第3页浏览型号TPS62410-Q1的Datasheet PDF文件第4页浏览型号TPS62410-Q1的Datasheet PDF文件第5页浏览型号TPS62410-Q1的Datasheet PDF文件第6页浏览型号TPS62410-Q1的Datasheet PDF文件第7页 
TPS62410-Q1  
www.ti.com  
SLVSAA8 –MARCH 2010  
2.25MHz 2x800mA Dual Step Down Converter In Small 3x3mm QFN Package  
Check for Samples: TPS62410-Q1  
1
FEATURES  
DESCRIPTION  
2
•
Qualified for Automotive Applications  
•
•
•
•
•
•
High Efficiency—up to 95%  
The TPS62410 device is  
a synchronous dual  
step-down DC-DC converter optimized for battery  
powered portable applications. It provides two  
independent output voltage rails powered by 1-cell  
Li-Ion or 3-cell NiMH/NiCD batteries. The device is  
also suitable to operate from a standard 3.3V or 5V  
voltage rail.  
VIN Range From 2.5 V to 6 V  
2.25 MHz Fixed Frequency Operation  
Output Current 2 x 800mA  
Adjustable Output Voltage From 0.6 V to VIN  
EasyScale™ Optional One Pin Serial Interface  
for Dynamic Output Voltage Adjustment  
With an input voltage range of 2.5V to 6V, the  
TPS62410 is ideal to power portable applications like  
smart phones, PDAs, and other portable equipment.  
•
•
•
•
Power Save Mode at Light Load Currents  
180° Out of Phase Operation  
With the EasyScale™ serial interface the output  
voltages can be modified during operation. It  
therefore supports Dynamic Voltage Scaling for low  
power DSP and processors.  
Output Voltage Accuracy in PWM Mode ±1%  
Typical 32 µA Quiescent Current for both  
Converters  
•
•
100% Duty Cycle for Lowest Dropout  
Available in a 10-Pin QFN (3×3mm)  
The TPS62410 operates at 2.25MHz fixed switching  
frequency and enter the Power Save Mode operation  
at light load currents to maintain high efficiency over  
the entire load current range. For low noise  
applications the devices can be forced into fixed  
frequency PWM mode by pulling the MODE/DATA  
pin high. In the shutdown mode, the current  
consumption is reduced to 1.2µA. The device allows  
the use of small inductors and capacitors to achieve a  
small solution size.  
The TPS62410 is available in a 10-pin leadless  
package (3×3mm QFN).  
TPS62410  
100  
VIN 2.5V – 6V  
V
= 3.3 V  
OUT  
VIN  
FB 1  
SW1  
L1  
VOUT1 = 1.5V  
up to 800mA  
90  
V
= 3.6 V  
CIN  
IN  
2.2 μH  
R11  
270kΩ  
10 μF  
80  
70  
V
= 3.6 V  
IN  
COUT1 = 22 µF  
DEF_1  
R12  
180kΩ  
EN_1  
60  
50  
40  
30  
20  
V
= 5 V  
IN  
L2  
V
= 5 V  
VOUT2 = 1.8V  
Up to 800mA  
COUT2 = 22 µF  
IN  
EN_2  
SW2  
2.2 μH  
Cff2  
33pF  
R21  
360kΩ  
MODE/  
DATA  
Forced PWM Mode  
MODE/DATA = 1  
Power Save Mode  
MODE/DATA = 0  
ADJ2  
GND  
R22  
180kΩ  
10  
0
0.01  
0.1  
1
10  
- mA  
100  
1000  
I
OUT  
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
EasyScale, PowerPAD are trademarks 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 © 2010, Texas Instruments Incorporated  
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TPS62410-Q1 替代型号

型号 品牌 替代类型 描述 数据表
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