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MP1586EN-LF PDF预览

MP1586EN-LF

更新时间: 2024-01-09 08:15:50
品牌 Logo 应用领域
芯源 - MPS 开关光电二极管
页数 文件大小 规格书
16页 355K
描述
Switching Regulator, Current-mode, 300kHz Switching Freq-Max, PDSO8, ROHS COMPLIANT, MO-012BA, SOIC-8

MP1586EN-LF 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SOIC
包装说明:HLSOP,针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.18
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:CURRENT-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:28 V
最小输入电压:4.5 V标称输入电压:12 V
JESD-30 代码:R-PDSO-G8JESD-609代码:e3
长度:4.9 mm湿度敏感等级:2A
功能数量:1端子数量:8
最高工作温度:85 °C最低工作温度:-20 °C
封装主体材料:PLASTIC/EPOXY封装代码:HLSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.7 mm表面贴装:YES
切换器配置:BUCK最大切换频率:300 kHz
温度等级:OTHER端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:3.9 mmBase Number Matches:1

MP1586EN-LF 数据手册

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MP1586 – 3A, 28V, 50kHz TO 400kHz STEP-DOWN CONVERTER  
PIN FUNCTIONS  
SOIC  
Pin #  
Name Description  
Switch Node. This is the output from the high-side switch. A low forward drop Schottky diode to  
ground is required. The diode must be close to the SW pins to reduce switching spikes.  
1
SW  
EN  
Enable Input. Pulling this pin below the specified threshold shuts the chip down. Pulling it up  
above the specified threshold or leaving it floating enables the chip.  
2
3
Compensation. This node is the output of the error amplifier. Control loop frequency  
compensation is applied to this pin.  
COMP  
Feedback. This is the input to the error amplifier. The output voltage is set by a resistive divider  
connected between the output and GND which scales down VOUT equal to the internal +0.8V  
reference.  
4
FB  
GND  
Exposed  
Pad  
Ground. It should be connected as close as possible to the output capacitor to shorten the high  
current switch paths. Connect exposed pad to GND plane for optimal thermal performance.  
5
6
7
8
Switching Frequency Program Input. Connect a resistor from this pin to ground to set the  
switching frequency.  
FREQ  
Input Supply. This supplies power to all the internal control circuitry, both BS regulators and the  
high-side switch. A decoupling capacitor to ground must be placed close to this pin to minimize  
switching spikes.  
VIN  
Bootstrap. This is the positive power supply for the internal floating high-side MOSFET driver.  
Connect a bypass capacitor between this pin and SW pin.  
BST  
MP1586 Rev. 0.91  
1/8/2010  
www.MonolithicPower.com  
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.  
© 2010 MPS. All Rights Reserved.  
4

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