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LM2608ATLX-1.8/NOPB PDF预览

LM2608ATLX-1.8/NOPB

更新时间: 2024-09-14 14:52:27
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页数 文件大小 规格书
23页 907K
描述
400mA Sub-miniature, High Efficiency, Programmable DC-DC Converter with Linear Mode 10-DSBGA -30 to 85

LM2608ATLX-1.8/NOPB 技术参数

是否无铅:含铅是否Rohs认证:符合
生命周期:Obsolete包装说明:GREEN, DSBGA-10
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.75
Is Samacsys:N模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:5.5 V最小输入电压:2.8 V
标称输入电压:3.6 VJESD-30 代码:R-PBGA-B10
JESD-609代码:e1长度:2.5255 mm
湿度敏感等级:1功能数量:1
端子数量:10最高工作温度:85 °C
最低工作温度:-30 °C最大输出电流:0.69 A
标称输出电压:1.8 V封装主体材料:PLASTIC/EPOXY
封装代码:VFBGA封装等效代码:BGA10,3X4,20
封装形状:RECTANGULAR封装形式:GRID ARRAY, VERY THIN PROFILE, FINE PITCH
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:0.675 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:BUCK
最大切换频率:1000 kHz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:BOTTOM
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:2.2715 mm
Base Number Matches:1

LM2608ATLX-1.8/NOPB 数据手册

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LM2608  
www.ti.com  
SNVS183E JULY 2002REVISED MAY 2013  
400-mA Subminiature High-Efficiency Programmable DC-DC Converter With Linear Mode  
Check for Samples: LM2608  
1
FEATURES  
APPLICATIONS  
2
Subminiature 10-Pin Thin DSBGA Package  
Mobile Phones  
Only Four Tiny Surface-Mount External  
Components Required  
Hand-Held Radios  
Battery Powered Devices  
Uses Small Ceramic Capacitors  
Internal Soft Start  
DESCRIPTION  
The LM2608 step-down DC-DC converter is  
optimized for powering ultra-low voltage circuits from  
a single Lithium-Ion cell. It provides up to 400mA over  
an input voltage range of 2.8V to 5.5V. Operating  
from a 1.35V reference, this device provides pin-  
selectable output voltages of 1.3V/1.5V (300mA) for  
low voltage version or 1.5V/1.8V (400mA) for high  
voltage version. This allows adjustment for DSP or  
CPU voltage options, as well as dynamic output  
voltage switching for reduced power consumption.  
Internal synchronous rectification provides high  
efficiency.  
Current and Thermal Shutdown Protection  
No External Compensation Required  
KEY SPECIFICATIONS  
Operates from a Single Li-Ion Cell (2.8V to  
5.5V)  
Pin Selectable Output Voltage (1.5V/1.8V or  
1.3V/1.5V Versions), Without External  
Feedback Resistors  
400mA Maximum Load Capability  
±1% PWM Mode DC Output Voltage Precision  
(Excluding External Reference Tolerance)  
5mV typ PWM Mode Output Voltage Ripple  
20 µA typ Quiescent Current (Linear Mode)  
0.02µA typ Shutdown Mode Current  
Internal Synchronous Rectification for High  
Efficiency (91% at 2.8VIN, 1.8VOUT  
)
600kHz PWM Mode Switching Frequency  
SYNC Input for PWM Mode Frequency  
Synchronization from 500kHz to 1MHz  
15% Accuracy for FOSC and Ilim  
Typical Application Circuit  
VOUT Programmable to  
1.3, 1.5V or 1.8V  
VIN  
2.8V to 5.5V  
PVIN  
VDD  
EN  
SW  
10mF  
10mH  
ON/OFF  
SYNC/MODE  
LM2608  
FB  
PWM/LDO  
22mF  
PGND  
SGND  
VREF  
VSEL  
1.35V  
0.1mF  
Figure 1. Application Circuit  
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.  
All trademarks are the property of their respective owners.  
2
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 © 2002–2013, Texas Instruments Incorporated  

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