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LM2612BTLX/NOPB PDF预览

LM2612BTLX/NOPB

更新时间： 2024-11-23 14:52:27
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
19页 2315K
描述
IC,SMPS CONTROLLER,CURRENT/VOLTAGE,CMOS,BGA,10PIN,PLASTIC

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LM2612BTLX/NOPB 技术参数

是否Rohs认证：符合生命周期：Obsolete
包装说明：FBGA, BGA10,3X4,20Reach Compliance Code：compliant
风险等级：5.84Is Samacsys：N
控制模式：CURRENT/VOLTAGE-MODEJESD-30 代码：R-PBGA-B10
JESD-609代码：e1湿度敏感等级：1
端子数量：10最高工作温度：85 °C
最低工作温度：-25 °C最大输出电流：0.3 A
封装主体材料：PLASTIC/EPOXY封装代码：FBGA
封装等效代码：BGA10,3X4,20封装形状：RECTANGULAR
封装形式：GRID ARRAY, FINE PITCH认证状态：Not Qualified
子类别：Switching Regulator or Controllers表面贴装：YES
最大切换频率：1000 kHz技术：CMOS
温度等级：OTHER端子面层：Tin/Silver/Copper (Sn/Ag/Cu)
端子形式：BALL端子节距：0.5 mm
端子位置：BOTTOMBase Number Matches：1

LM2612BTLX/NOPB 数据手册

 浏览型号LM2612BTLX/NOPB的Datasheet PDF文件第2页浏览型号LM2612BTLX/NOPB的Datasheet PDF文件第3页浏览型号LM2612BTLX/NOPB的Datasheet PDF文件第4页浏览型号LM2612BTLX/NOPB的Datasheet PDF文件第5页浏览型号LM2612BTLX/NOPB的Datasheet PDF文件第6页浏览型号LM2612BTLX/NOPB的Datasheet PDF文件第7页 
December 2002  
LM2612BL  
400mA Sub-miniature, Programmable, Step-Down DC-DC  
Converter for Ultra Low-Voltage Circuits  
General Description  
Key Specifications  
n Operates from a single LiION cell (2.8V to 5.5V)  
n Internal synchronous rectification for high PWM mode  
efficiency  
The LM2612 step-down DC-DC converter is optimized for  
powering ultra-low voltage circuits from a single Lithium-Ion  
cell. It provides up to 400mA (300mA for B grade), over an  
input voltage range of 2.8V to 5.5V. Pin programmable out-  
put voltages of 1.05V, 1.3V, 1.5V or 1.8V allow adjustment  
for MPU voltage options without board redesign or external  
feedback resistors.  
n Pin programmable output voltage (1.05V, 1.3V, 1.5V and  
1.8V)  
n 400mA maximum load capability (300mA for B grade)  
n
2% PWM mode DC output voltage precision  
The device has three pin-selectable modes for maximizing  
battery life in mobile phones and similar portable applica-  
tions. Low-noise PWM mode offers 600kHz fixed-frequency  
operation to reduce interference in RF and data acquisition  
applications during full-power operation. In PWM mode, in-  
ternal synchronous rectification provides high efficiency  
(91% typ. at 1.8VOUT). A SYNC input allows synchronizing  
the switching frequency in a range of 500kHz to 1MHz to  
n 5mV typ PWM mode output voltage ripple  
n 160 µA typ PFM mode quiescent current  
n 0.02µA typ shutdown mode current  
n 600kHz PWM mode switching frequency  
n SYNC input for PWM mode frequency synchronization  
from 500kHz to 1MHz  
avoid noise from intermodulation with system frequencies. Features  
Low-current hysteretic PFM mode reduces quiescent current  
to 160 µA (typ.) during system standby. Shutdown mode  
turns the device off and reduces battery consumption to  
0.02µA (typ.). Additional features include soft start and cur-  
rent overload protection.  
n Sub-miniature 10-pin micro SMD package  
n Only three tiny surface-mount external components  
required  
n Uses small ceramic capacitors  
n Internal soft start  
n Current overload protection  
n No external compensation required  
n Thermal shutdown protection  
The LM2612 is available in a 10 pin micro SMD packge. This  
package uses National’s wafer level chip-scale micro SMD  
technology and offers the smallest possible size. Only three  
small external surface-mount components, an inductor and  
two ceramic capacitors are required.  
Applications  
n Mobile Phones  
n Hand-Held Radios  
n Battery Powered Devices  
Typical Application Circuit  
20041802  
© 2002 National Semiconductor Corporation  
DS200418  
www.national.com  
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 		IC,SMPS CONTROLLER,CURRENT/VOLTAGE,BGA,10PIN,PLASTIC
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