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E-L6911E PDF预览

E-L6911E

更新时间: 2024-11-12 14:33:27
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 开关光电二极管
页数 文件大小 规格书
34页 529K
描述
1.3A SWITCHING CONTROLLER, 1000kHz SWITCHING FREQ-MAX, PDSO20, ROHS COMPLIANT, SOP-20

E-L6911E 技术参数

生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP,针数:20
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.83
Is Samacsys:N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:12 V最小输入电压:5 V
标称输入电压:12 VJESD-30 代码:R-PDSO-G20
长度:12.8 mm功能数量:1
端子数量:20最大输出电流:1.3 A
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
认证状态:Not Qualified座面最大高度:2.65 mm
表面贴装:YES切换器配置:PUSH-PULL
最大切换频率:1000 kHz端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
宽度:7.5 mmBase Number Matches:1

E-L6911E 数据手册

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L6911E  
5-Bit programmable step down controller  
with synchronous rectification  
Features  
Operating supply IC voltage from 5V to 12V  
buses  
Up to 1.3A gate current capability  
SO-20  
TTL-compatible 5 bit programmable output  
compliant with VRM 8.5 :  
1.050V to 1.825V with 0.025V binary steps  
Description  
Voltage mode PWM control  
The device is a power supply controller  
specifically designed to provide a high  
performance DC/DC conversion for high current  
microprocessors. A precise 5 it digital to analog  
converter (DAC) allows to just the output  
voltage from 1.050 1.825 with 25mV binary  
steps.  
Excellent output accuracy: 1ꢀ over line and  
temperature variations  
Very fast load transient response: from 0ꢀ to  
100ꢀ Duty Cycle  
Power good output voltage  
Overvoltage protection and monitor  
Overcurrent protection realized using the upper  
The high precision internal reference assures the  
selected output voltage to be within 1ꢀ. The  
high peak current gate drive affords to have fast  
stching to the external power mos providing low  
switching losses.  
MOSFET's R  
ds(ON)  
200kHz internal oscillator  
Oscillator externally adjustable from 50kHz to  
1MHz  
The device assures a fast protection against load  
overcurrent and load over-voltage. An external  
SCR is triggered to crowbar the input supply in  
case of hard overvoltage. An internal crowbar is  
also provided turning on the low side mosfet as  
long as the over-voltage is detected. In case of  
over-current detection, the soft start capacitor is  
discharged an the system works in HICCUP  
mode.  
Soft start and inhibit functions  
Applications  
Power supply for advance
microprocessor core  
Distributed power supply  
Table 1. Device summary  
Part Number  
Package  
TSSOP8  
Packaging  
L6911E  
Tube  
L6911ETR  
TSSOP8  
Tape and reel  
April 2007  
Rev 3  
1/34  
www.st.com  
34  

E-L6911E 替代型号

型号 品牌 替代类型 描述 数据表
L6911E STMICROELECTRONICS

完全替代

5 BIT PROGRAMMABLE STEP DOWN CONTROLLER WITH SYNCHRONOUS RECTIFICATION
L6911ETR STMICROELECTRONICS

功能相似

5 BIT PROGRAMMABLE STEP DOWN CONTROLLER WITH SYNCHRONOUS RECTIFICATION

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