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TPS62232DRYT

更新时间： 2024-01-25 20:45:16
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 1307K
描述
3 MHz Ultra Small Step Down Converter in 1x1.5 SON Package

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TPS62232DRYT 数据手册

 浏览型号TPS62232DRYT的Datasheet PDF文件第2页浏览型号TPS62232DRYT的Datasheet PDF文件第3页浏览型号TPS62232DRYT的Datasheet PDF文件第4页浏览型号TPS62232DRYT的Datasheet PDF文件第5页浏览型号TPS62232DRYT的Datasheet PDF文件第6页浏览型号TPS62232DRYT的Datasheet PDF文件第7页 
TPS62230  
TPS62231  
TPS62232  
www.ti.com ..................................................................................................................................................................................................... SLVS941–APRIL 2009  
3 MHz Ultra Small Step Down Converter in 1x1.5 SON Package  
1
FEATURES  
DESCRIPTION  
•
•
•
•
•
•
3 MHz switch frequency  
Up to 94% efficiency  
The TPS6223X device family is a high frequency  
synchronous step down DC-DC converter optimized  
for battery powered portable applications. It supports  
up to 500mA output current and allows the use of tiny  
and low cost chip inductors and capacitors.  
Output Peak Current up to 500mA  
Excellent AC and Transient Load Regulation  
High PSRR (up to 90dB)  
Small External Output Filter Components  
1.0µH/ 4.7µF  
With a wide input voltage range of 2.05V to 6V the  
device supports applications powered by Li-Ion  
batteries with extended voltage range. The minimum  
input voltage of 2.05V allows as well the operation  
from Li-primary or two alkaline batteries. Different  
fixed output voltage versions are available from 1.2V  
to 2.5V.  
•
•
VIN range from 2.05V to 6V  
Optimized Power Save Mode For Low Output  
Ripple Voltage  
•
•
•
•
•
•
•
Forced PWM Mode Operation  
Typ. 22 µA Quiescent Current  
The TPS6223X series features switch frequency up  
to 3.8MHz. At medium to heavy loads, the converter  
operates in PWM mode and automatically enters  
Power Save Mode operation at light load currents to  
maintain high efficiency over the entire load current  
range.  
100% Duty Cycle for Lowest Dropout  
Small 1 × 1.5 × 0.6mm3 SON Package  
12 mm2 Minimum Solution Size  
Supports 0.6 mm Maximum Solution Height  
Soft Start with typ. 100µs Start Up Time  
Because of its excellent PSRR and AC load  
regulation performance, the device is also suitable to  
replace linear regulators to obtain better power  
conversion efficiency.  
APPLICATIONS  
•
•
•
•
•
•
LDO Replacement  
Portable Audio, Portable Media  
Cell Phones  
Low Power Wireless  
Low Power DSP Core Supply  
Digital Cameras  
The Power Save Mode in TPS6223X reduces the  
quiescent current consumption down to 22µA during  
light load operation. It is optimized to achieve very  
low output voltage ripple even with small external  
component and features excellent ac load regulation.  
For very noise sensitive applications, the device can  
be forced to PWM Mode operation over the entire  
load range by pulling the MODE pin high. In the  
shutdown mode, the current consumption is reduced  
to less than 1µA. The TPS6223X is available in a 1 ×  
1.5mm2 6 pin SON package.  
V
IN  
L
TPS62231  
1/2.2 mH  
V
2.05 V - 6 V  
OUT  
VIN  
SW  
1.8 V  
C
FB  
EN  
IN  
C
OUT  
MODE  
GND  
2.2 mF  
4.7 mF  
Total area  
12mm²  
L1  
V
IN  
C2  
GND  
V 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.  
UNLESS OTHERWISE NOTED this document contains  
PRODUCTION DATA information current as of publication date.  
Products conform to specifications per the terms of Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2009, Texas Instruments Incorporated  
1234567...28

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TPS62232DRYT 替代型号

型号 品牌 替代类型 描述 数据表
TPS62232DRYR TI

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 3 MHz Ultra Small Step Down Converter in 1x1.5 SON Package

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