MCP1632-BAESLASHMS datasheet(1/34 Pages) MICROCHIP

部件名	MCP1632-BAE/MS

功能描述	High-Speed, Low-Side PWM Controller

PDF	34 Pages

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制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

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1 / 34 page

 2013 Microchip Technology Inc.

DS20005254A-page 1

MCP1632

Features:

• High-Speed PWM Controller with Integrated

Low-Side MOSFET Driver

• Multiple Switching Frequency Options (fSW):

-300 kHz

-600 kHz

• Adjustable Reference Voltage Generator

• Adjustable Soft Start

• Internal Slope Compensation

• Shutdown Input Pin (EN)

• Low Operating Current: < 5 mA (typical)

• Undervoltage Lockout (UVLO) Protection

• Output Short Circuit Protection

• Overtemperature Protection

• Operating Temperature Range:

- -40°C to +125°C

Applications:

• Switch Mode Power Supplies

• Brick DC-DC Converters

• Battery Charger Applications

•LED Drivers

Related Literature:

• “MCP1632 300 kHz Boost Converter Demo Board

User’s Guide”, Microchip Technology Inc.,

DS20005252A, 2013

Description:

The MCP1632 high-speed PWM controller is a

pulse-width modulator developed for stand-alone power

supply applications. The MCP1632 includes a

high-speed analog control loop, a logic-level MOSFET

driver, an internal oscillator, a reference voltage

generator, and internal slope compensation. This high

level of integration makes it an ideal solution for

standalone SMPS applications. MCP1632 is suitable for

use in topologies requiring a low-side MOSFET control,

such as Boost, Flyback, SEPIC, Ćuk, etc. Typical

applications include battery chargers, intelligent power

systems, brick DC-DC converters, LED drivers. Due to

its low power consumption, the MCP1632 PWM

controller

is recommended

for

battery-operated

applications.

The MCP1632 offers a Peak Current mode control in

order to achieve consistent performance regardless of

the topology of the power train or the operating

conditions. In addition, the MCP1632 can implement

the Voltage Mode Control for cost-sensitive solutions.

The MCP1632 PWM controller can be easily interfaced

with PIC microcontrollers in order to develop an

intelligent power solution.

Additional features include: UVLO, overtemperature

and overcurrent protection, shutdown capability (EN

pin) and an adjustable soft start option.

Package Type

1

2

3

4

8

7

6

5

COMP

FB

CS

EN

GND

VEXT

Vin

VREF

EP

9

8-Lead DFN

1

2

3

4

8

7

6

5

FB

CS

EN

COMP

VIN

VREF

VEXT

GND

8-Lead MSOP

(2 mm x 3 mm)

High-Speed, Low-Side PWM Controller

类似零件编号 - MCP1632-BAE/MS

制造商	部件名	数据表	功能描述
Microchip Technology	MCP1632-BAE/MS	831Kb / 34P	High-Speed, Low-Side PWM Controller 10/28/13

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