Datasheet > MCP1623_11

MCP1623_11

更新时间： 2024-01-05 12:40:12

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
28页	596K
描述
Low-Voltage Input Boost Regulator for PICÂ® Microcontrollers

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中文翻译

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数据手册

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MCP1623_11 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

Packaging

• SOT-23-6 and 2 x 3 DFN-8 Package

MCP1623/24

Applications:

6-Lead SOT-23

2x3 DFN*

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

Low-Power PIC^®Microcontroller Applications

V_IN

GND

OUTS

OUTP

V_OUT

V_FB

GND

* Includes Exposed Thermal Pad (EP); see Table 3-1.

DS41420C-page 1

12 3 4 5 6 7...28

中文翻译

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与MCP1623_11相关器件

型号	品牌	获取价格	描述	数据表
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,
MCP1623T-I/CHY	MICROCHIP	获取价格	Low-Voltage Input Boost Regulator for PICÂ® M
MCP1623T-I/MC	MICROCHIP	获取价格	SWITCHING REGULATOR, 630 kHz SWITCHING FREQ-MAX, PDSO8, 2 X 3 MM, 0.90 MM HEIGHT, PLASTIC,

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