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MIC4782YML PDF预览

MIC4782YML

更新时间: 2024-01-31 08:36:25
品牌 Logo 应用领域
麦瑞 - MICREL 稳压器开关
页数 文件大小 规格书
23页 666K
描述
1.8 MHz Dual 2A Integrated Switch Buck Regulator

MIC4782YML 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:DFN
包装说明:HVQCCN, LCC16,.12SQ,20针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.75
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:VOLTAGE-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:6 V
最小输入电压:3 V标称输入电压:3.6 V
JESD-30 代码:S-PQCC-N16JESD-609代码:e4
长度:3 mm湿度敏感等级:2
功能数量:1端子数量:16
最高工作温度:125 °C最低工作温度:-20 °C
最大输出电流:2 A最小输出电压:0.6 V
封装主体材料:PLASTIC/EPOXY封装代码:HVQCCN
封装等效代码:LCC16,.12SQ,20封装形状:SQUARE
封装形式:CHIP CARRIER, 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:0.9 mm
最大供电电流 (Isup):3 mA表面贴装:YES
切换器配置:BUCK温度等级:INDUSTRIAL
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)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:40宽度:3 mm
Base Number Matches:1

MIC4782YML 数据手册

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MIC4782  
1.8 MHz Dual 2A Integrated Switch  
Buck Regulator  
General Description  
Features  
The Micrel MIC4782 is a high efficiency dual PWM buck  
(step-down) regulator that provides dual 2A output current.  
The MIC4782 operates at 1.8MHz. A proprietary internal  
compensation technique allows a closed loop bandwidth of  
over 200kHz.  
3.0 to 6.0V supply voltage  
1.8MHz 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  
Ultra-small external components  
The low on-resistance internal P-Channel MOSFET of the  
MIC4782 allows efficiencies over 92%, reduces external  
components count and eliminates the need for an  
expensive current sense resistor.  
Stable with a 1µH inductor and a 4.7µF output  
capacitor  
The MIC4782 operates from 3.0V to 6.0V 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  
The MIC4782 is available in the exposed pad 16-pin  
3mm x 3mm MLF® with a junction operating range from  
–20°C to +125°C.  
Thermal shutdown and current limit protection  
Available in a 3mm × 3mm 16-pin MLF®  
–20°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, 1.8MHz 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  
M9999-081709-D  
August 2009  
1

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