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L6722TR PDF预览

L6722TR

更新时间: 2024-11-30 03:49:55
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 转换器稳压器开关式稳压器或控制器电源电路开关式控制器
页数 文件大小 规格书
34页 389K
描述
3 Phase controller for DC/DC converters

L6722TR 技术参数

是否Rohs认证:符合生命周期:Obsolete
零件包装代码:QFN包装说明:6 X 6 MM, 1 MM PITCH, VFQFPN-36
针数:36Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.82Is Samacsys:N
模拟集成电路 - 其他类型:SWITCHING CONTROLLER控制模式:CURRENT-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:13.8 V
最小输入电压:10.2 V标称输入电压:12 V
JESD-30 代码:S-XQCC-N36长度:6 mm
功能数量:1端子数量:36
最高工作温度:125 °C最低工作温度:-40 °C
封装主体材料:UNSPECIFIED封装代码:VQCCN
封装等效代码:LCC36,.25SQ,20封装形状:SQUARE
封装形式:CHIP CARRIER, VERY THIN PROFILE峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:1 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:PHASE-SHIFT最大切换频率:300 kHz
温度等级:AUTOMOTIVE端子形式:NO LEAD
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:6 mm
Base Number Matches:1

L6722TR 数据手册

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L6722  
3 Phase controller for DC/DC converters  
Features  
2A integrated gate drivers  
0.8V reference  
1% output voltage accuracy  
Adjustable reference offset  
VFQFPN36  
Precise current sharing and OCP across LS  
MOSFETS  
Constant over current protection  
Feedback disconnection  
Description  
L6722 implements a three-phase step-down  
controller with 120º phase-shift between each  
phase with integrated high-current drivers in a  
compact VFQFPN36 package with exposed pad.  
LSLESS allows managing pre-bias startup  
Preliminary of protection  
Oscillator internally fixed at 100kHz, externally  
L6722 manages output voltages down to 0.8V  
with 1% output voltage accuracy over line and  
temperature variations. Additional programmable  
offset can be added to the reference voltage with  
a single external resistor in order to perform  
margining tests.  
adjustable  
Power good  
Integrated remote sense buffer  
VFQFPN36 package with exposed pad  
Applications  
The controller assures fast protection against load  
over current and over / under voltage. In case of  
over-current the system works in Constant  
Current mode until UVP. Preliminary OVP allows  
full load protection in case of startup with failed  
HS. Feedback-disconnection protection prevents  
from damaging the load in case of misconnections  
in the remote sense. Pre-bias start-up is also  
managed thanks to LSLESS.  
Memory supply for server and workstation MBs  
High density DC / DC converters  
High current pol  
Combined use of DCR and RdsON current  
sensing assures precision in voltage positioning  
(by reading droop current across inductors DCR)  
and safe current sharing and OCP per each  
phase (by reading the current across LS RdsON).  
Droop function can be anyway disabled to  
perform precise and load-insensitive regulation.  
Order codes  
Part number  
Package  
VFQFPN36  
Packing  
L6722  
Tube  
L6722TR  
VFQFPN36  
Rev 1  
Tape & Reel  
May 2006  
1/34  
www.st.com  
34  

L6722TR 替代型号

型号 品牌 替代类型 描述 数据表
L6722 STMICROELECTRONICS

完全替代

3 Phase controller for DC/DC converters

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