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LM3677LEE-1.5/NOPB PDF预览

LM3677LEE-1.5/NOPB

更新时间: 2024-11-16 02:58:19
品牌 Logo 应用领域
德州仪器 - TI 开关光电二极管
页数 文件大小 规格书
28页 11373K
描述
3MHz, 600mA Miniature Step-Down DC-DC Converter for Ultra Low Voltage Circuits

LM3677LEE-1.5/NOPB 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Active零件包装代码:SOIC
包装说明:LLP-6针数:6
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.11
Is Samacsys:N其他特性:ALSO OPERATES IN CURRENT MODE; PFM CONTROL TECHNIQUE ALSO POSSIBLE
模拟集成电路 - 其他类型:SWITCHING CONTROLLER控制模式:VOLTAGE-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:5 V
最小输入电压:2.7 V标称输入电压:3.6 V
JESD-30 代码:R-PDSO-N6JESD-609代码:e3
长度:2 mm湿度敏感等级:1
功能数量:1端子数量:6
最高工作温度:85 °C最低工作温度:-30 °C
最大输出电流:1.375 A最大输出电压:3.3 V
最小输出电压:1.2 V标称输出电压:1.5 V
封装主体材料:PLASTIC/EPOXY封装代码:VSON
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, VERY THIN PROFILE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:0.6 mm表面贴装:YES
切换器配置:BUCK最大切换频率:3500 kHz
温度等级:OTHER端子面层:Matte Tin (Sn)
端子形式:NO LEAD端子节距:0.5 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:1.5 mmBase Number Matches:1

LM3677LEE-1.5/NOPB 数据手册

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LM3677  
www.ti.com  
SNVS502F MARCH 2007REVISED MAY 2013  
3MHz, 600mA Miniature Step-Down DC-DC Converter for Ultra Low Voltage Circuits  
Check for Samples: LM3677  
1
FEATURES  
APPLICATIONS  
2
16 µA typical quiescent current  
Mobile Phones  
PDAs  
600 mA maximum load capability  
3 MHz PWM fixed switching frequency (typ.)  
Automatic PFM/PWM mode switching  
MP3 Players  
W-LAN  
Available in 5-bump DSBGA package and 6-pin  
USON package  
Portable Instruments  
Digital Still Cameras  
Portable Hard Disk Drives  
Internal synchronous rectification for high  
efficiency  
Internal soft start  
DESCRIPTION  
The LM3677 step-down DC-DC converter is  
optimized for powering ultra-low voltage circuits from  
a single Li-Ion cell battery and input voltage rails from  
2.7V to 5.5V. It provides up to 600 mA load current  
over the entire input voltage range. The LM3677 is  
configured to different fixed voltage output options as  
well as an adjustable output voltage version range  
from 1.2V to 3.3V.  
0.01 µA typical shutdown current  
Operates from a single Li-Ion cell battery  
Only three tiny surface-mount external  
components required (solution size less than  
20 mm2)  
Current overload and thermal shutdown  
protection  
TYPICAL APPLICATION CIRCUITS  
V
IN  
L1: 1.0 mH  
V
OUT  
2.7V to 5.5V  
V
IN  
SW  
1
2
3
5
C
OUT  
C
IN  
LM3677  
10 mF  
4.7 mF  
GND  
EN  
FB  
4
Figure 1. Typical Application Circuit  
V
IN  
L1: 1.0 mH  
V
V
OUT  
2.7V to 5.5V  
IN  
SW  
1
2
3
5
C
C
LM3677-  
ADJ  
IN  
OUT  
R1  
R2  
C1  
C2  
4.7 mF  
10 mF  
GND  
EN  
FB  
4
Figure 3. Efficiency vs. Output Current  
(VOUT = 1.8V)  
Figure 2. Typical Application Circuit - ADJ.  
Version  
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 © 2007–2013, Texas Instruments Incorporated  
 
 

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