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MCP1623-I/CH PDF预览

MCP1623-I/CH

更新时间: 2024-09-28 11:05:47
品牌 Logo 应用领域
美国微芯 - MICROCHIP 稳压器开关式稳压器或控制器电源电路微控制器开关式控制器光电二极管
页数 文件大小 规格书
26页 552K
描述
Low-Voltage Input Boost Regulator for PIC? Microcontrollers

MCP1623-I/CH 技术参数

生命周期:Active零件包装代码:SOT-23
包装说明:LSSOP,针数:6
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.2
Is Samacsys:N其他特性:ALSO OPERATES IN ADJUSTABLE MODE FROM 2 V TO 5.5 V
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:3 V最小输入电压:1.5 V
JESD-30 代码:R-PDSO-G6长度:2.9 mm
功能数量:1端子数量:6
最高工作温度:85 °C最低工作温度:-40 °C
标称输出电压:3.3 V封装主体材料:PLASTIC/EPOXY
封装代码:LSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE认证状态:Not Qualified
座面最大高度:1.45 mm表面贴装:YES
切换器配置:BOOST最大切换频率:630 kHz
温度等级:INDUSTRIAL端子形式:GULL WING
端子节距:0.95 mm端子位置:DUAL
宽度:1.55 mmBase Number Matches:1

MCP1623-I/CH 数据手册

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MCP1623/24  
Low-Voltage Input Boost Regulator  
for PIC® Microcontrollers  
Features  
General Description  
• Up to 96% Typical Efficiency  
The MCP1623/24 is a compact, high-efficiency, fixed  
frequency, synchronous step-up DC-DC converter. It  
provides an easy-to-use power supply solution for PIC  
microcontroller applications powered by either one-cell,  
two-cell, or three-cell alkaline, NiCd, NiMH, one-cell  
Li-Ion or Li-Polymer batteries.  
• 425 mA Typical Peak Input Current Limit:  
- IOUT > 50 mA @ 1.2V VIN, 3.3V VOUT  
- IOUT > 175 mA @ 2.4V VIN, 3.3V VOUT  
- IOUT > 175 mA @ 3.3V VIN, 5.0V VOUT  
• Low Start-up Voltage: 0.65V, typical 3.3V VOUT  
@ 1 mA  
Low-voltage technology allows the regulator to start up  
without high inrush current or output voltage overshoot  
from a low 0.65V input. High efficiency is accomplished by  
integrating the low resistance N-Channel Boost switch  
and synchronous P-Channel switch. All compensation  
and protection circuitry are integrated to minimize external  
components. For standby applications, the MCP1624  
operates and consumes only 19 µA while operating at no  
load. The MCP1623 device option is available that  
operates in PWM-only mode.  
• Low Operating Input Voltage: 0.35V, typical  
3.3VOUT @ 1 mA  
• Adjustable Output Voltage Range: 2.0V to 5.5V  
• Maximum Input Voltage VOUT < 5.5V  
• Automatic PFM/PWM Operation (MCP1624)  
• PWM-only Operation (MCP1623)  
• 500 kHz PWM Frequency  
• Low Device Quiescent Current: 19 µA, typical  
PFM mode  
A “true” load disconnect mode provides input to output  
isolation while disabled (EN = GND) by removing the  
normal boost regulator diode path from input to output.  
This mode consumes less than 1 µA of input current.  
• Internal Synchronous Rectifier  
• Internal Compensation  
• Inrush Current Limiting and Internal Soft-Start  
• True Load Disconnect  
Output voltage is set by a small external resistor  
divider.  
• Shutdown Current (All States): < 1 µA  
• Low Noise, Anti-Ringing Control  
• Overtemperature Protection  
• SOT-23-6 Package  
Packaging  
MCP1623/24  
6-Lead SOT-23  
Applications  
VIN  
SW  
GND  
EN  
1
6
5
4
• One, Two and Three Cell Alkaline and NiMH/NiCd  
Low-Power PIC® Microcontroller Applications  
VOUT  
VFB  
2
3
2010 Microchip Technology Inc.  
DS41420A-page 1  

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