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MIC4742YTSE PDF预览

MIC4742YTSE

更新时间: 2024-11-21 20:32:43
品牌 Logo 应用领域
美国微芯 - MICROCHIP 开关光电二极管
页数 文件大小 规格书
23页 590K
描述
4.3A DUAL SWITCHING CONTROLLER, 2300kHz SWITCHING FREQ-MAX, PDSO16

MIC4742YTSE 技术参数

是否Rohs认证:符合生命周期:Active
包装说明:HTSSOP, TSSOP16,.25Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:8 weeks风险等级:5.64
Is Samacsys:N其他特性:SEATED HT-CALCULATED
模拟集成电路 - 其他类型:DUAL SWITCHING CONTROLLER控制模式:VOLTAGE-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:5.5 V
最小输入电压:2.9 V标称输入电压:3.6 V
JESD-30 代码:R-PDSO-G16JESD-609代码:e3
长度:5 mm湿度敏感等级:3
功能数量:1端子数量:16
最高工作温度:125 °C最低工作温度:-40 °C
最大输出电流:2 A封装主体材料:PLASTIC/EPOXY
封装代码:HTSSOP封装等效代码:TSSOP16,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, HEAT SINK/SLUG, 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:1.2 mm表面贴装:YES
切换器配置:BUCK最大切换频率:2300 kHz
温度等级:AUTOMOTIVE端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:4.4 mmBase Number Matches:1

MIC4742YTSE 数据手册

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MIC4742  
2 MHz Dual 2A Integrated Switch  
Buck Regulator  
General Description  
Features  
The Micrel MIC4742 is a high efficiency dual PWM buck  
(step-down) regulator that provides dual 2A current output.  
The MIC4742 operates at 2MHz. A proprietary internal  
compensation technique allows a closed loop bandwidth of  
over 200kHz.  
2.9 to 5.5V supply voltage  
2MHz PWM mode  
2A Dual output  
Greater than 92% efficiency  
100% maximum duty cycle  
Adjustable output voltage option down to 0.6V  
Ultra-fast transient response  
The low on-resistance internal P-Channel MOSFET of the  
MIC4742 allows efficiencies over 92%, reduces external  
components count and eliminates the need for an  
expensive current sense resistor.  
Ultra-small external components  
Stable with a 1µH inductor and a 4.7µF output  
capacitor  
The MIC4742 operates from 2.9V to 5.5V input and the  
output can be adjusted down to 0.6V. The device can  
operate with a maximum duty cycle of 100% for use in low-  
dropout conditions.  
Fully integrated 2A MOSFET switches  
Micro-power shutdown  
Thermal shutdown and current limit protection  
Available in a 3mm x 3mm 16-pin MLF® and 16-pin  
TSSOP  
The MIC4742 is available in the exposed pad 16-pin  
3mm x 3mm MLF® and EPAD TSSOP-16 packages with a  
junction operating range from –40°C to +125°C.  
–40°C to +125°C junction temperature range  
All support documentation can be found on Micrel’s web  
site at: www.micrel.com.  
Applications  
Broadband: xDSL modems  
Automotive satellite radios  
HD STB, DVD/TV recorder  
Computer peripherals: printers and graphic cards  
FPGA/ASIC  
General point of load  
Typical Application  
5.0Vin 3.3Vout Efficiency  
100  
98  
96  
94  
92  
90  
88  
86  
84  
82  
80  
0
0.4  
0.8  
1.2  
1.6  
2
OUTPUT CURRENT (A)  
2A 2MHz Dual Buck Regulator  
MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc.  
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com  
M9999-030209-D  
March 2009  
1

MIC4742YTSE 替代型号

型号 品牌 替代类型 描述 数据表
MIC4742YTSE-TR MICROCHIP

完全替代

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