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TLV61225DCKT PDF预览

TLV61225DCKT

更新时间： 2024-10-02 13:14:51
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德州仪器 - TI 转换器升压转换器
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TLV61225  
www.ti.com  
SLVSAF0 –AUGUST 2010  
SINGLE CELL HIGH EFFICIENT STEP-UP CONVERTER IN 6 PIN SC-70 PACKAGE  
1
FEATURES  
APPLICATIONS  
•
Battery Powered Applications  
•
Up to 94% Efficiency at Typical Operating  
Conditions  
–
–
1 to 2 Cell NiMH or Alkaline  
1 cell Li-Primary  
•
•
•
•
5 mA Quiescent Current  
•
•
Consumer and Portable Medical Products  
Personal Care Products  
Operating Input Voltage from 0.7 V to 3.3 V  
Pass-Through Function during Shutdown  
More than 40mA Output Current from a 1.2V  
Input  
•
•
•
•
•
Typical Switch Current Rating 400 mA  
Output Overvoltage Protection  
Overtemperature Protection  
Fixed 3.3 V Output Voltage  
Small 6-pin SC-70 Package  
DESCRIPTION  
The TLV61225 provides a power-supply solution for products powered by either a single-cell or two-cell alkaline  
or NiMH, or one-cell Li-primary battery. Possible output currents depend on the input-to-output voltage ratio. The  
boost converter is based on a hysteretic controller topology using synchronous rectification to obtain maximum  
efficiency at minimal quiescent currents. The output voltage of this device is set internally to a fixed output  
voltage of 3.3 V. The converter can be switched off by a featured enable pin. While being switched off, battery  
drain is minimized. The device is offered in a 6-pin SC-70 package (DCK) measuring 2 mm x 2 mm to enable  
small circuit layout size.  
L1  
VOUT  
FB  
L
V
OUT  
µ
4.7 H  
C2  
10µF  
3.3 V  
V
VIN  
EN  
IN  
0.8 V to V  
OUT  
C1  
10µF  
GND  
TLV61225  
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 © 2010, Texas Instruments Incorporated  
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TLV61225DCKT 替代型号

型号 品牌 替代类型 描述 数据表
TLV61225DCKR TI

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