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参数资料
| 型号： | MIC4724YMME |
| 厂商： | Micrel Inc |
| 文件页数： | 1/19页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 3A 10MSOP |
| 标准包装： | 100 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 可调至 1V |
| 输入电压： | 3 V ~ 6 V |
| 频率 - 开关： | 2MHz |
| 电流 - 输出： | 3A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 10-MSOP 裸露焊盘 |
| 产品目录页面： | 1093 (CN2011-ZH PDF) |
| 其它名称： | 576-3120-5 |
MIC4724
3A 2MHz Integrated Switch
Buck Regulator with 6Vmax Input
General Description
The Micrel MIC4724 is a high efficiency PWM buck (step-
down) regulator that provides up to 3A of output current.
The MIC4724 operates at 2.0MHz and has proprietary
internal compensation that allows a closed loop bandwidth
of over 200KHz.
The low on-resistance internal p-channel MOSFET of the
MIC4724 allows efficiencies over 92%, reduces external
components count and eliminates the need for an
expensive current sense resistor.
The MIC4724 operates from 3.0V to 6.0V input and the
output can be adjusted down to 1V. The devices can
operate with a maximum duty cycle of 100% for use in low-
dropout conditions.
The MIC4724 is available in 10-pin ePAD MSOP package
with a junction operating range from –40°C to +125°C.
Data sheets and support documentation can be found on
Micrel’s web site at: www.micrel.com.
Features
? 3.0 to 6.0V supply voltage
? 2.0MHz PWM mode
? Output current to 3A
? Up to 94% efficiency
? 100% maximum duty cycle
? Adjustable output voltage option down to 1V
? Ultra-fast transient response
? Ultra-small external components
Stable with a 1μH inductor and a 4.7μF output
capacitor
? Fully integrated 3A MOSFET switch
? Micropower shutdown
? Thermal shutdown and current limit protection
? Pb-free 10-pin ePAD MSOP package
? –40 ° C to +125 ° C junction temperature range
Applications
? FPGA/DSP/ASIC applications
? General point of load
? Broadband communications
? DVD/TV recorders
? Point of sale
? Printers/Scanners
? Set top boxes
? Computing peripherals
? Video cards
___________________________________________________________________________________________________________
Typical Application
96
94
92
90
88
86
84
82
80
3.3V OUT Efficiency
4.5V IN
5V IN
5.5V IN
0
3A 2MHz Buck Regulator
78
76
0.5
1
1.5
2
2.5
3
OUTPUT CURRENT (A)
MLF and Micro LeadFrame 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
June 2008
M9999-062408-A
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC4724YMME TR | 功能描述:直流/直流开关调节器 3A 2MHz Buck Regulator in Epad MSOP-10 RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MIC47300 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:3A, Low Voltage, Adjustable LDO Regulator with Dual Input Supply |
| MIC47300WD | 制造商:Micrel 功能描述:Micrel MIC47300WD, Low-Dropout (LDO) Voltage Regulators |
| MIC47300WD TR | 功能描述:低压差稳压器 - LDO 3A Low Voltage, ADJ. High Bandwidth LDO Regulator with Dual Input Supplies RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MIC47300WD-TR | 功能描述:Linear Voltage Regulator IC Positive Adjustable 1 Output Adj to 0.9V 3A TO-252-5 制造商:microchip technology 系列:- 包装:剪切带（CT） 零件状态:停产 稳压器拓扑:正，可调式 电压 - 输出:可调至 0.9V 电流 - 输出:3A 电压 - 跌落（典型值）:0.23V @ 3A 稳压器数:1 电压 - 输入:1.4 V ~ 6.5 V 电流 - 限制（最小值）:- 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:TO-252-6，DPak（5 引线 + 接片） 供应商器件封装:TO-252-5 标准包装:1 |
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