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MIC2877-5.25YFT-TR PDF预览

MIC2877-5.25YFT-TR

更新时间: 2024-11-21 20:11:07
品牌 Logo 应用领域
美国微芯 - MICROCHIP 开关
页数 文件大小 规格书
26页 784K
描述
Switching Regulator

MIC2877-5.25YFT-TR 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:, LCC8,.08SQ,25Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:20 weeks风险等级:0.77
其他特性:SEATED HT-CALCULATED模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制技术:PULSE WIDTH MODULATION最大输入电压:5.5 V
最小输入电压:2.5 V标称输入电压:3 V
JESD-609代码:e3长度:2 mm
端子数量:8最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:7.2 A
标称输出电压:5.25 V封装等效代码:LCC8,.08SQ,25
封装形状:SQUARE峰值回流温度(摄氏度):260
筛选级别:TS-16949座面最大高度:0.6 mm
最大供电电流 (Isup):0.18 mA表面贴装:YES
切换器配置:BOOST最大切换频率:2.4 kHz
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子节距:0.65 mm处于峰值回流温度下的最长时间:30
宽度:2 mmBase Number Matches:1

MIC2877-5.25YFT-TR 数据手册

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MIC2877  
2 MHz Synchronous Low Voltage Step-Up Regulator  
with 6.5A Switch and Bidirectional Load Disconnect  
Features  
Applications  
• USB OTG and HDMI Hosts  
• Typical 6.5A Input Peak Current Limit  
• Up to 95% Efficiency  
• Portable Power Reserve Supplies  
• High-Current Parallel Lithium Cell Applications  
• Portable Equipment  
• Fully Integrated, High-Efficiency, 2 MHz Switching  
Frequency  
• Bidirectional True Load Disconnect, Overvoltage  
Protection (OVP) and Undervoltage Lockout  
(UVLO)  
General Description  
The MIC2877 is a compact and highly efficient 2 MHz  
synchronous boost regulator with a typically 6.5A  
switch. It features a bidirectional true load disconnect  
function that prevents any leakage current between the  
input and output when the device is disabled  
(EN = GND), it protects the input supply and improves  
the start-up performance.  
• Controlled Pre-Charge Current Limit at Start-Up  
• Ultra-Fast Transient Response  
• Input Voltage Range from 2.5V to 5.5V  
• Maximum Output Current:  
- 1.5A, VIN = 2.5V and VOUT = 5V  
- 2A,VIN = 3V and VOUT = 5V  
• Output Voltage Range:  
The MIC2877 has the input voltage range between  
2.5V and 5.5V and provides a 2A output continuous  
current for VIN = 3.0V and VOUT = 5V. Fixed and  
adjustable versions are available.  
- Adjustable  
- Fixed Versions: 4.75V, 5V, 5.25V, 5.5V  
The MIC2877 operates in Bypass mode automatically  
when the input voltage is higher or equal to the target  
output voltage. At light loads, the boost converter goes  
to Pulse Frequency Modulation (PFM) mode to  
improve the efficiency. In Shutdown mode (EN = GND),  
the regulator typically consumes less than 2 µA.  
• Integrated Anti-Ringing Switch for  
Electromagnetic Interference (EMI) Reduction  
• Typically Less than 2 µA Shutdown Current  
• Internal Compensation  
• Bypass Mode for VIN VOUT  
• Power Good (PG) Output  
The MIC2877 also features an integrated anti-ringing  
switch to minimize EMI, overvoltage and overcurrent  
protection, UVLO and thermal shutdown.  
• Overcurrent Protection and Thermal Shutdown  
• Fixed and Adjustable Output Versions  
• Available Package: 8-pin FTQFN 2 x 2 mm  
The MIC2877 is available in an 8-pin FTQFN 2 x 2 mm  
package.  
Package Types  
MIC2877 (Fixed Output)  
MIC2877 (Adjustable Output)  
8-pin 2 x 2 mm FTQFN  
8-pin 2 x 2 mm FTQFN  
PG  
PG  
VIN  
AGND  
VIN  
FB  
EN  
VOUTS  
AGND  
EN  
PGND  
SW  
VOUT  
PGND  
VOUT  
SW  
2017 Microchip Technology Inc.  
DS20005873A-page 1  

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