MCP19035-AAAAESLASHMF datasheet(1/44 Pages) MICROCHIP

номер детали	MCP19035-AAAAE/MF

подробное описание детали	High-Speed Synchronous Buck Controller

PDF	44 Pages

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производитель	MICROCHIP [Microchip Technology]

домашняя страница	http://www.microchip.com

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 2012-2013 Microchip Technology Inc.

DS22326B-page 1

MCP19035

Features:

• Input Voltage Range: from 4.5V to 30V

• Targeted for Low-Voltage Power Trains with

Output Current up to 20A

• High-Speed Voltage Mode, Analog Pulse-Width

Modulation Control

• Power Good Output

• Internal Oscillator, Reference Voltage and

Overcurrent Limit Threshold for Stand-Alone

Applications.

• Multiple Switching Frequency Options (FSW):

- 300 kHz

-600 kHz

• Integrated Synchronous MOSFET Drivers

• Multiple Dead-Time Options

• Internal Blocking Device for Bootstrap Circuit

• Integrated Current Sense Capability for Short

Circuit Protection

• Internal Overtemperature Protection

• Under Voltage Lockout (UVLO)

• Integrated Linear Voltage Regulator

• 10-LD 3X 3mm DFN Package

Applications:

• Point of Loads

• Set-Top Boxes

• DSL Cable Modems

• FPGA’s/DSP’s Power Supply

• PC’s Graphic/Audio Cards

General Description

The MCP19035 is an application-optimized, high-

speed synchronous buck controller that operates from

input voltage sources up to 30V. This controller

implements a voltage-mode control architecture with a

fixed switching frequency of 300 kHz or 600 kHz. The

high-switching frequency facilitates the use of smaller

passive components, including the inductor and

input/output capacitors, allowing a compact, high-

performance power supply solution. The MCP19035

implements an adaptive anti-cross conduction scheme

to prevent shoot-through in the external power

MOSFETs. Furthermore, the MCP19035 offers multiple

dead-time options, enabling an additional degree of

optimization, allowing a higher efficiency power supply

design.

The MCP19035 controller is intended to be used for

applications providing up to 20A of output currents

across a wide input voltage range, up to 30V.

The SHDN input is used to turn the device on and off.

While turned off, the current consumption is minimized.

The MCP19035 offers a Power Good feature

(PWRGD), enabling fault detection and simplifying

sequencing.

Package Types

MCP19035

3x3 DFN*

COMP

FB

VIN

PHASE

BOOT

1

2

3

4

10

9

8

7 LDRV

HDRV

SHDN

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

EP

11

6

PWRGD

+VCC

5

High-Speed Synchronous Buck Controller

Аналогичный номер детали - MCP19035-AAAAE/MF

производитель	номер детали	датащи	подробное описание детали
Microchip Technology	MCP19035	899Kb / 44P	High-Speed Synchronous Buck Controller 2012
Microchip Technology	MCP19035	455Kb / 24P	MCP19035 600 kHz High-Voltage Synchronous Buck Controller Reference Design 03/25/14

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Аналогичное описание - MCP19035-AAAAE/MF

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Microchip Technology	MCP19035	899Kb / 44P	High-Speed Synchronous Buck Controller 2012
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MCP19035-AAAAE/MF датащи(PDF) 1 Page - Microchip Technology

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Аналогичный номер детали - MCP19035-AAAAE/MF

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