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MCP1612-ADJIMS

更新时间： 2024-01-16 06:20:54
品牌 Logo 应用领域
美国微芯 - MICROCHIP 稳压器
页数 文件大小 规格书
22页 249K
描述
Single 1A, 1.4 MHz Synchronous Buck Regulator

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中文翻译

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MCP1612-ADJIMS 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：TSSOP
包装说明：TSSOP, TSSOP8,.19针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：18 weeks
风险等级：1.06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：5.5 V最小输入电压：2.7 V
标称输入电压：3.3 VJESD-30 代码：S-PDSO-G8
JESD-609代码：e3长度：3 mm
湿度敏感等级：1功能数量：1
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：2.3 A
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装等效代码：TSSOP8,.19封装形状：SQUARE
封装形式：SMALL OUTLINE, 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：1.1 mm
子类别：Switching Regulator or Controllers表面贴装：YES
切换器配置：BUCK最大切换频率：1600 kHz
温度等级：INDUSTRIAL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：3 mm

MCP1612-ADJIMS 数据手册

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MCP1612  
Single 1A, 1.4 MHz Synchronous Buck Regulator  
Features  
Description  
• Fixed Switching Frequency: 1.4 MHz  
The MCP1612 is a 1A, 1.4 MHz, fully-integrated,  
current mode-controlled, synchronous buck regulator.  
The MCP1612 is packaged in the 8-pin MSOP and  
space-saving, 3x3 DFN packages. The DFN package  
also provides a lower thermal resistance package  
option for high-power, high ambient temperature  
applications. With an input operating range from 2.7V  
to 5.5V, the MCP1612 is ideal for applications that are  
powered by one single-cell Li-Ion, 2- to 3-cell NiMH,  
NiCd or alkaline sources.  
• Input Operating Voltage Range: 2.7V to 5.5V  
• Integrated Buck and Synchronous Switches  
• Adjustable-Output Voltage Range: 0.8V to 5.0V  
• 100% Duty Cycle Capable for Low Input Voltage  
• Continuous Output Current Capability: 1A  
• Shutdown Control with IQ < 0.01 µA (Typ.)  
• Integrated Soft-Start Feature  
• Integrated Undervoltage Lockout (UVLO)  
Protection  
The output voltage of the MCP1612 is easily set over  
the range of 0.8V to 5.0V by using an external resistor  
divider. The external inductor and output capacitor size  
are minimized due to an internally-fixed, 1.4 MHz clock  
being used to set the switching frequency. The fixed  
clock allows for continuous, fixed-frequency PWM  
operation over the full load range.  
• Integrated Overtemperature Protection  
• Fast Dynamic Response to Line and Load Steps  
• Small, 8-Pin DFN and MSOP Packages  
• Operating Temperature Range: -40°C to +85°C  
Applications  
The MCP1612 is designed to provide fast dynamic  
response to sudden changes in input voltage and load  
current to minimize the necessary amount of external  
output capacitance.  
• Network Interface Cards  
• Portable Computers  
• Set-Top Boxes  
• DSL Modems and Routers  
• USB-Powered Devices  
• GBIC Modules  
The MCP1612 can be used with ceramic, tantalum or  
aluminum electrolytic output capacitors. Ceramic  
capacitors with values as low as 4.7 µF can be used to  
keep the output ripple voltage low. For applications that  
require better load step performance, the value of the  
output capacitor can be increased to 47 µF.  
• High-Speed Data System Bus Termination  
• Medical Instruments  
• Cellular/GSM/PHS Phones  
• +5V or +3.3V Distributed Voltages  
Additional features integrated into the MCP1612  
include shutdown capability, soft-start, UVLO,  
overcurrent and overtemperature protection.  
Package Types  
8-Lead DFN  
8-Lead MSOP  
V
V
L
L
X
8
7
6
5
8
7
6
5
1
2
IN  
1
2
IN  
X
V
V
CC  
P
P
A
CC  
GND  
GND  
SHDN 3  
SHDN 3  
COMP  
A
GND  
GND  
4
4
COMP  
FB  
FB  
© 2005 Microchip Technology Inc.  
DS21921B-page 1  
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中文翻译

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