MCP1623

更新时间： 2024-09-28 11:05:47

品牌	Logo	应用领域
美国微芯 - MICROCHIP		稳压器微控制器
页数	文件大小	规格书
26页	552K
描述
Low-Voltage Input Boost Regulator for PIC? Microcontrollers

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数据手册

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MCP1623 数据手册

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:

- I_OUT> 50 mA @ 1.2V V_IN, 3.3V V_OUT

- I_OUT> 175 mA @ 2.4V V_IN, 3.3V V_OUT

- I_OUT> 175 mA @ 3.3V V_IN,5.0V V_OUT

• Low Start-up Voltage: 0.65V, typical 3.3V V_OUT

@ 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

3.3V_OUT@ 1 mA

• Adjustable Output Voltage Range: 2.0V to 5.5V

• Maximum Input Voltage  V_OUT< 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

V_IN

GND

• One, Two and Three Cell Alkaline and NiMH/NiCd

Low-Power PIC^®Microcontroller Applications

V_OUT

V_FB

 2010 Microchip Technology Inc.

DS41420A-page 1

12 3 4 5 6 7...26

中文翻译

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与MCP1623相关器件

型号	品牌	获取价格	描述	数据表
MCP1623_10	MICROCHIP	获取价格	Low-Voltage Input Boost Regulator for PICÂ® M
MCP1623_11	MICROCHIP	获取价格	Low-Voltage Input Boost Regulator for PICÂ® M
MCP1623_16	MICROCHIP	获取价格	Low-Voltage Input Boost Regulator for PICÂ® M
MCP1623-I/CH	MICROCHIP	获取价格	Low-Voltage Input Boost Regulator for PIC? Microcontrollers
MCP1623I/CHY	MICROCHIP	获取价格	0.05 A SWITCHING REGULATOR, 630 kHz SWITCHING FREQ-MAX, PDSO6, PLASTIC, SOT-23, 6 PIN
MCP1623-I/CHY	MICROCHIP	获取价格	Low-Voltage Input Boost Regulator for PICÂ® M
MCP1623-I/MC	MICROCHIP	获取价格	Low-Voltage Input Boost Regulator for PICÂ® M
MCP1623-I/Y	MICROCHIP	获取价格	Low-Voltage Input Boost Regulator for PICÂ® M
MCP1623T-I/CH	MICROCHIP	获取价格	Low-Voltage Input Boost Regulator for PIC? Microcontrollers
MCP1623TI/CHY	MICROCHIP	获取价格	0.05 A SWITCHING REGULATOR, 630 kHz SWITCHING FREQ-MAX, PDSO6, LEAD FREE, PLASTIC, SOT-23,

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