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MIC2169YMM-TR PDF预览

MIC2169YMM-TR

更新时间: 2024-09-17 19:57:03
品牌 Logo 应用领域
美国微芯 - MICROCHIP 开关光电二极管输出元件
页数 文件大小 规格书
15页 202K
描述
SWITCHING CONTROLLER, 550kHz SWITCHING FREQ-MAX, PDSO10

MIC2169YMM-TR 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:TSSOP,Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.66其他特性:ALSO HAS OUTPUT VOLTAGE ADJUSTABLE DOWN TO 0.8V
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:14.5 V
最小输入电压:3 V标称输入电压:5 V
JESD-30 代码:S-PDSO-G10JESD-609代码:e4
长度:3 mm湿度敏感等级:2
功能数量:1端子数量:10
最高工作温度:125 °C最低工作温度:-40 °C
标称输出电压:5 V封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装形状:SQUARE
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.1 mm
表面贴装:YES切换器配置:PUSH-PULL
最大切换频率:550 kHz温度等级:AUTOMOTIVE
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)端子形式:GULL WING
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:40宽度:3 mm
Base Number Matches:1

MIC2169YMM-TR 数据手册

 浏览型号MIC2169YMM-TR的Datasheet PDF文件第2页浏览型号MIC2169YMM-TR的Datasheet PDF文件第3页浏览型号MIC2169YMM-TR的Datasheet PDF文件第4页浏览型号MIC2169YMM-TR的Datasheet PDF文件第5页浏览型号MIC2169YMM-TR的Datasheet PDF文件第6页浏览型号MIC2169YMM-TR的Datasheet PDF文件第7页 
MIC2169  
500kHz PWM Synchronous Buck Control IC  
General Description  
Features  
TheMIC2169isahigh-efciency,simpletouse500kHzPWM  
synchronous buck control IC housed in a small MSOP-10  
package. The MIC2169 allows compact DC/DC solutions  
with a minimal external component count and cost.  
• 3V to 14.5V input voltage range  
• Adjustable output voltage down to 0.8V  
• Up to 95% efciency  
• 500kHz PWM operation  
• Adjustable current limit senses high-side N-Channel  
MOSFET current  
• No external current-sense resistor  
• Adaptive gate drive increases efciency  
• Fast transient response  
– Externally compensated  
• Overvoltage protection protects the load in fault  
conditions  
The MIC2169 operates using a 3V to 14.5V input, without  
the need for any additional bias voltage. The output voltage  
can be precisely regulated down to 0.8V. The adaptive all  
N-Channel MOSFET drive scheme allows efciencies, over  
95%, across a wide load range.  
TheMIC2169sensescurrentacrossthehigh-sideN-Channel  
MOSFET, eliminating the need for an expensive and lossy  
current-sense resistor. Current limit accuracy is maintained  
via a positive temperature coefcient that tracks the increas-  
• Dual mode current limit speeds up recovery time  
• Hiccup mode short-circuit protection  
• Small size MSOP 10-lead package  
ing R  
of the external MOSFET. Additional cost and  
DS(ON)  
space are saved by the internal in-rush-current limiting and  
digital soft-start.  
Applications  
The MIC2169 is available in a 10-pin MSOP package, with a  
wide junction operating range of –40°C to +125°C.  
• Point-of-load DC/DC conversion  
• Set-top boxes  
• Graphic cards  
• LCD power supplies  
All support documentation can be found on Micrel’s web site  
at: www.micrel.com.  
Telecom power supplies  
• Networking power supplies  
• Cable modems and routers  
Typical Application  
VIN = 5V  
SD103BWS  
MIC2169 Efficiency  
100μF  
100  
95  
90  
85  
80  
75  
70  
65  
4.7μF  
0.1μF  
1kΩ  
VDD  
BST  
CS  
IRF7821  
2.5μH  
VIN  
HSD  
VSW  
MIC2169  
3.3V  
COMP/EN  
10kΩ  
IRF7821  
VIN = 5V  
60  
55  
50  
150pF  
100nF  
LSD  
FB  
150μF x 2  
VOUT = 3.3V  
4kΩ  
GND  
3.24kΩ  
0
2
4
6
I
8
10 12 14 16  
(A)  
LOAD  
MIC2169 Adjustable Output 500kHz Converter  
Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com  
M9999-032409  
March 2009  
1

MIC2169YMM-TR 替代型号

型号 品牌 替代类型 描述 数据表
MIC2169YMM MICROCHIP

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SWITCHING CONTROLLER, 550kHz SWITCHING FREQ-MAX, PDSO10

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