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L6728A

更新时间： 2024-11-30 03:49:55
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
32页 1177K
描述
High frequency single phase PWM controller with Power Good

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中文翻译

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L6728A 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：DFP包装说明：3 X 3 MM, VFDFPN-10
针数：10Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.8Is 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 VJESD-30 代码：S-PDSO-N10
JESD-609代码：e3长度：3 mm
湿度敏感等级：1功能数量：1
端子数量：10最高工作温度：70 °C
最低工作温度：封装主体材料：PLASTIC/EPOXY
封装代码：HVSON封装等效代码：SOLCC10,.12,20
封装形状：SQUARE封装形式：SMALL OUTLINE, HEAT SINK/SLUG, 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：1 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：PUSH-PULL
最大切换频率：660 kHz温度等级：COMMERCIAL
端子面层：Matte Tin (Sn) - annealed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：3 mm
Base Number Matches：1

L6728A 数据手册

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L6728A  
High frequency single phase PWM controller with Power Good  
Features  
■ Flexible power supply from 5 V to 12 V  
■ Power conversion input as low as 1.5 V  
■ 0.8 V internal reference  
■ 0.8 % output voltage accuracy  
■ High-current integrated drivers  
■ Power Good output  
VFQFPN 10  
■ Sensorless and programmable OCP across  
low-side R  
Description  
DS(on)  
■ OV / UV protections  
L6728A is a single-phase step-down controller  
with integrated high-current drivers that provides  
complete control logic and protection to realize in  
a simple way general DC-DC converters by using  
a compact VFDFPN 10 package.  
■ VSEN disconnection protection  
■ Oscillator internally fixed at 600 kHz  
■ LS-LESS to manage pre-bias start-up  
■ Adjustable output voltage  
■ Disable function  
Device flexibility allows managing conversions  
with power input V as low as 1.5 V and device  
IN  
supply voltage ranging from 5 V to 12 V.  
■ Internal soft-start  
■ VFDFPN 10 package  
L6728A provides simple control loop with voltage  
mode EA. The integrated 0.8 V reference allows  
regulating output voltages with 0.8 % accuracy  
over line and temperature variations. Oscillator is  
internally fixed to 600 kHz.  
Applications  
■ Memory and termination supply  
■ Subsystem power supply (MCH, IOCH, PCI)  
■ CPU and DSP power supply  
■ Distributed power supply  
L6728A provides programmable dual level over  
current protection as well as over and under  
voltage protection. Current information is  
monitored across the low-side MOSFET R  
saving the use of expensive and space-  
consuming sense resistors.  
DS(on)  
■ General DC / DC converters  
PGOOD output easily provides real-time  
information on output voltage status, through  
VSEN dedicated output monitor.  
Table 1.  
Device summary  
Order codes  
Package  
Packing  
L6728A  
VFDFPN 10  
VFDFPN 10  
Tube  
L6728ATR  
Tape and reel  
October 2008  
Rev 1  
1/32  
www.st.com  
1
1234567...32

中文翻译

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