Datasheet > B82559A0142A013

B82559A0142A013

更新时间： 2024-10-01 12:52:23

品牌	Logo	应用领域
美国微芯 - MICROCHIP		电感器测试功率感应器控制器
页数	文件大小	规格书
44页	899K
描述
High-Speed Synchronous Buck Controller

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B82559A0142A013 数据手册

MCP19035

High-Speed Synchronous Buck Controller

Features

General Description

• Input Voltage Range: from 4.5V to 30V

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. 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. Further more, the MCP19035 offers

multiple dead-time options, enabling an additional

degree of optimization, allowing a higher efficiency

power supply design.

• 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.

• Fixed Switching Frequency (f_SW): 300 kHz

• Integrated Synchronous MOSFET Drivers

• Multiple Dead-Time Options

• Internal Blocking Device for Bootstrap Circuit

• Integrated Current Sense Capability for Short

Circuit Protection

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.

• Internal Overtemperature Protection

• Under Voltage Lockout (UVLO)

• Integrated Linear Voltage Regulator

• 10-LD 3 X 3 mm DFN Package

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.

Applications

• Point of Loads

Package Types

• Set-Top Boxes

• DSL Cable Modems

• FPGA’s/DSP’s Power Supply

• PC’s Graphic/Audio Cards

MCP19035

3x3 DFN*

SHDN

HDRV

PHASE

COMP

V_IN

BOOT

LDRV

+V_CC

PWRGD

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

 2012 Microchip Technology Inc.

DS22326A-page 1

12 3 4 5 6 7...44

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与B82559A0142A013相关器件

型号	品牌	获取价格	描述	数据表
B82559A0153A024	TDK	获取价格	Inductors (Coils)
B82559A0203A020	EPCOS	获取价格	GENERAL PURPOSE INDUCTOR
B82559A0203A020	TDK	获取价格	Inductors (Coils)
B82559A0203A024	TDK	获取价格	Inductors (Coils)
B82559A0222A013	EPCOS	获取价格	Helically wound power inductors
B82559A0222A013	TDK	获取价格	General Purpose Inductor, 2.15uH, 10%, 1 Element, Ferrite-Core, SMD, 5142, LEAD FREE
B82559A0242A013	EPCOS	获取价格	Helically wound power inductors
B82559A0242A013	TDK	获取价格	General Purpose Inductor, 2.4uH, 10%, 1 Element, Ferrite-Core, SMD, 5142, LEAD FREE
B82559-A025	EPCOS	获取价格	SMT power inductors ERU 25, helically wound
B82559A0293A020	EPCOS	获取价格	GENERAL PURPOSE INDUCTOR

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