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TPS62230_1

更新时间： 2024-01-29 03:17:19
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德州仪器 - TI 转换器
页数 文件大小 规格书
31页 1425K
描述
2 MHz / 3 MHz Ultra Small Step Down Converter in 1x1.5 SON Package

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TPS62230_1 数据手册

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TPS62230, TPS62231, TPS62232, TPS62233  
TPS62234, TPS62235, TPS62236, TPS62237  
TPS62238, TPS62239, TPS622310, TPS622311  
www.ti.com  
SLVS941B –APRIL 2009–REVISED DECEMBER 2009  
2 MHz / 3 MHz Ultra Small Step Down Converter in 1x1.5 SON Package  
Check for Samples: TPS62230, TPS62231, TPS62232, TPS62233,  
TPS62234, TPS62235, TPS62236, TPS62237, TPS62238, TPS62239, TPS622310, TPS622311  
1
FEATURES  
DESCRIPTION  
•
•
•
•
•
•
2 MHz / 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 1μH/  
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  
 
 
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 		3 MHz Ultra Small Step Down Converter in 1x1.5 SON Package
TPS6223-1.5DRYR TI

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 		1.22A SWITCHING REGULATOR, 3800kHz SWITCHING FREQ-MAX, PDSO6, 1 X 1.50 MM, 0.60 MM HEIGHT,
TPS6223-1.5DRYT TI

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 		1.22A SWITCHING REGULATOR, 3800kHz SWITCHING FREQ-MAX, PDSO6, 1 X 1.50 MM, 0.60 MM HEIGHT,

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