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PM6675TR PDF预览

PM6675TR

更新时间： 2024-02-29 10:56:21
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 开关
页数 文件大小 规格书
47页 614K
描述
SWITCHING CONTROLLER, QCC24, 4 X 4 MM, VFQFPN-24

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PM6675TR 技术参数

生命周期：Obsolete零件包装代码：QFN
包装说明：HVQCCN, LCC24,.16SQ,20针数：24
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.83
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：VOLTAGE-MODE
最大输入电压：36 V最小输入电压：4.5 V
标称输入电压：5 VJESD-30 代码：S-XQCC-N24
长度：4 mm功能数量：1
端子数量：24最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：UNSPECIFIED
封装代码：HVQCCN封装等效代码：LCC24,.16SQ,20
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
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温度等级：INDUSTRIAL
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD宽度：4 mm
Base Number Matches：1

PM6675TR 数据手册

 浏览型号PM6675TR的Datasheet PDF文件第2页浏览型号PM6675TR的Datasheet PDF文件第3页浏览型号PM6675TR的Datasheet PDF文件第4页浏览型号PM6675TR的Datasheet PDF文件第5页浏览型号PM6675TR的Datasheet PDF文件第6页浏览型号PM6675TR的Datasheet PDF文件第7页 
PM6675  
High efficiency step-down controller  
with embedded 2A LDO regulator  
Preliminary Data  
Features switching  
■ Switching section  
– 4.5V to 28V input voltage range  
– 0.6V, 1ꢀ voltage reference  
– Selectable 1.5V fixed output voltage  
– Adjustable 0.6V to 3.3V output voltage  
– 1.237V 1ꢀ reference voltage available  
VFQFPN-24 4x4  
– Very fast load transient response using  
constant on-time control loop  
– No R  
current sensing using low side  
SENSE  
Description  
MOSFETs' R  
DS(ON)  
The PM6675 device consists f a single high  
efficiency step-down contrller and an  
independent Low Drp-Out (LDO) linear  
regulator.  
– Negative current limit  
– Latched OVP and UVP  
– Soft start internally fixed at 3ms  
– Selectable pulse skipping at light load  
The Constant On-Time (COT) architecture  
assures fast transient response supporting both  
electroic and ceramic output capacitors. An  
ebedded integrator control loop compensates  
the DC voltage error due to the output ripple.  
– Selectable No-Audible (33KHz) pulse skip  
mode  
– Ceramic output capacitors supported  
– Output voltage ripple compensation  
– Output soft-end  
A selectable low-consumption mode allows the  
highest efficiency over a wide range of load  
conditions. The low-noise mode sets the minimum  
switching frequency to 33kHz for audio-sensitive  
applications.  
■ LDO regulator section  
– Adjustable 0.6V to 3.3V output voltage  
– Selectable 1Apk or 2Apk current limit  
– Dedicated Power-Good signal  
– Ceramic output capitors supported  
– Output soft-e
The LDO linear regulator can sink and source up  
to 2Apk. Two fixed current limits ( 1A- 2A) can be  
chosen.  
Applications  
An active Soft-End is independently performed on  
both the switching and the linear regulators  
outputs when disabled.  
■ Notook computers  
■ Graphic cards  
■ Embedded computers  
Order codes  
Part number  
Package  
Packaging  
PM6675  
VFQFPN-24 4x4 (Exposed Pad)  
Tube  
January 2007  
Rev 1  
1/47  
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to  
change without notice.  
www.st.com  
47  
1234567...47

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