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MCP1601T-I/MS

更新时间： 2024-01-14 03:31:58
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 684K
描述
1 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO8, PLASTIC, MSOP-8

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中文翻译

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MCP1601T-I/MS 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：MSOP
包装说明：TSSOP, SOP8,.19针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：14 weeks
风险等级：5.21其他特性：CAN ALSO FUNCTION IN PFM
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：VOLTAGE-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：4.2 V
JESD-30 代码：S-PDSO-G8JESD-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：1 A封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：SOP8,.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：1000 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
Base Number Matches：1

MCP1601T-I/MS 数据手册

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MCP1601  
M
500 mA Synchronous BUCK Regulator  
Features  
Description  
• Input Range of 2.7V to 5.5V  
The MCP1601 is a fully integrated synchronous BUCK  
(step down) DC/DC converter for battery powered sys-  
tems. With an input operating range of 2.7V to 5.5V, the  
MCP1601 is ideal for applications being powered by  
one single cell Li-Ion, 2 to 3 cell NiMH, NiCd or alkaline  
sources. Output voltages can range from 0.9V to VIN to  
accommodate a wide range of applications. Efficiency  
can exceed 92% while operating at 750 kHz with load  
current capability up to 500 mA. The MCP1601 is used  
to minimize space, cost and wasted energy.  
• 3 Operating Modes: PWM, PFM and LDO  
• Integrated BUCK and Synchronous Switches  
• Ceramic or Electrolytic Input/Output Filtering  
Capacitors  
• 750 kHz Fixed Switching Frequency  
• Oscillator Synchronization to 1 MHz PWM Mode  
• Auto-Switching from PWM/PFM Operation  
• 100% Duty Cycle Capable for Low Input Voltage  
• 500 mA Continuous Output Current Capability  
• Integrated Under-Voltage Lock-Out Protection  
• Integrated Over-Temperature Protection  
• Integrated Soft Start Circuitry  
The PWM mode switching frequency is internally set to  
a fixed 750 kHz allowing the use of low profile, surface  
mount inductors and ceramic capacitors while  
maintaining a typical efficiency of 92%.  
The MCP1601 is capable of three distinct operating  
modes: PWM, PFM and Low Drop Out.  
• Low Output Voltage Capability to 0.9V  
• Temperature Range: -40°C to +85ºC  
• Small 8-Pin MSOP Package  
When operating in PWM (pulse width modulation)  
mode, the DC/DC converter switches at a single high  
frequency determined by either the internal 750 kHz  
oscillator or external synchronization frequency.  
Applications  
• Low Power Handheld CPUs and DSPs  
• Cellular Phones  
For applications that operate at very light to no load for  
extended periods of time, the MCP1601 is capable of  
operating in PFM (pulse frequency modulation mode)  
to reduce the number of switching cycles/sec and  
consume less energy.  
• Organizers and PDAs  
• Digital Cameras  
• +5V or +3.3V Distributed Voltages  
• USB Powered Devices  
The third mode of operation (LDO mode) occurs when  
the input voltage approaches the output voltage and the  
BUCK duty cycle approaches 100%. The MCP1601 will  
enter a low drop out mode and the high-side P-Channel  
BUCK switch will saturate, providing the output with the  
maximum voltage possible.  
Package Type  
8-Pin MSOP  
V
1
2
3
4
8
7
6
5
L
X
The MCP1601 has integrated over-current protection,  
over-temperature protection and UVLO (Under Voltage  
Lockout) to provide for a fail safe solution with no  
external components.  
IN  
SHDN  
FB  
P
V
GND  
OUT  
MCP1601  
A
SYNC/PWM  
The MCP1601 is available in the 8-pin MSOP package,  
with an operating temperature range of -40°C to +85°C.  
GND  
2003 Microchip Technology Inc.  
DS21762A-page 1  
1234567...22

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