MAX17112

高性能、升压型DC-DC转换器

高效boost转换器，提供高达24V的过压保护

概述

说明

MAX17112是高性能、升压DC-DC转换器，为有源矩阵薄膜晶体管(TFT)液晶显示器(LCD)提供稳压电源。MAX17112采用电流模式、固定频率(1MHz)、脉宽调制(PWM)电路和内置n沟道功率MOSFET，具有高效率和快速瞬态响应。输入过压保护(OVP)功能可保护MAX17112在输入浪涌电压(高达24V)下不被损坏。

高开关频率(1MHz)允许使用超小型电感和低ESR陶瓷电容。电流模式架构可为脉冲负载提供快速瞬态响应。补偿引脚(COMP)为用户提供灵活的动态环路调整。内部MOSFET能够从2.6V至5.5V输入电压产生最大20V输出电压。

软启动功能缓慢提升输入电流，可由外部电容进行设置。MAX17112采用10引脚TDFN封装。

MAX17112：典型工作电路

放大+

关键特性

输入过压保护
V_IN至20V可调输出
2.6V至5.5V输入电压范围
输入欠压锁定
1MHz固定开关频率
可编程软启动
小型10引脚、TDFN封装
热过载保护

应用

LCD监视器面板表
笔记本电脑显示器

参数规格

Part Number

V_IN
(V)

V_OUT1
(V)

I_OUT1
(A)

Output Adjust. Method

Switch Type

I_CC
(mA)

Shutdown Mode Supply Current
(µA)

DC-DC Outputs

Oper. Freq.
(kHz)

Package/Pins

Budgetary
Price

min

max

min

max

typ

max

See Notes

MAX17112

2.6

5.5

2.6

0.6

Resistor

Internal

0.3

160

250

1000

TDFN/10

$0.93 @1k

查看所有Step-Up Switching Regulators (98)

Pricing Notes:

价格仅供参考，用于同类产品的比较。所提供报价为美元，需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题，请参考：价格与供货网站或与指定代理商联系。

设计资源

MAX17112EVKIT: MAX17112评估板

质量与环境

型号	生产流程	工艺	样本量	不合格	FIT @ 25°C	FIT @ 55°C

备注：通过技术手段对故障率进行汇总，并映射到相关的材料部件号。故障率与被测件的数量密切相关。

质量管理体系 >
环境管理体系 >

订购

Status:

Package:

Temperature:

新产品

MAX20343
Ultra-Low Quiescent Current, Low Noise 3.5W Buck-Boost Regulator

Extend System Run Time
Low, Continuous Noise Profile
Adaptable Load Transient Response

MAX20006E
36V, 220kHz to 2.2MHz, 4A/6A/8A Fully Integrated Automotive Step-Down Converters

Multiple Functions for Small Size
High Precision
Robust for the Automotive Environment

MAX20008E
36V, 220kHz to 2.2MHz, 4A/6A/8A Fully Integrated Automotive Step-Down Converters

Multiple Functions for Small Size
High Precision
Robust for the Automotive Environment

MAX20004E
36V, 220kHz to 2.2MHz, 4A/6A/8A Fully Integrated Automotive Step-Down Converters

Multiple Functions for Small Size
High Precision
Robust for the Automotive Environment

MAX17630
4.5V to 36V, 1A, High-Efficiency, Synchronous Step-Down DC-DC Converter

Reduces External Components and Total Cost
Reduces Number of DC-DC Regulators to Stock
Reduces Power Dissipation

MAX20011
Automotive Single 8A/12A Step-Down Converter with High Efficiency

High-Efficiency DC-DC Converter
Up to 12A peak output current:
Differential Remote Voltage Sensing

MAX15158Z
High-Voltage Multiphase Boost Controller

Wide Operating Range
Integration Reduces Design Footprint
Robust Fault Protection Improves Quality and Reliability

MAX20079
Automotive 36V 3.5A Buck Converter with 3.5μA I_Q

Synchronous DC-DC Converter with Integrated FETs
Small Solution Size Saves Space
PGOOD Output and High-Voltage EN Input Simplify Power Sequencing

MAX20026, MAX20026S
Automotive Quad, Low-Voltage Step-Down DC-DC Converters with Low-Noise LDO

High-Integration Shrinks Solution Size
Performance Designed for Automotive Point-of-Load Regulation
Low-Noise Features Improve EMI Performance

MAX20026S
Automotive Quad, Low-Voltage Step-Down DC-DC Converters with Low-Noise LDO

High-Integration Shrinks Solution Size
Performance Designed for Automotive Point-of-Load Regulation
Low-Noise Features Improve EMI Performance

MAX20801
MPP Tracking DC-DC Converter

Performs MPPT on 20-24 Series Connected PV Cells
Fast MPPT Reacts Quickly to Changing Conditions
Integrated Voltage-Limiting Clamps Output Voltage

MAX20800
MPP Tracking DC-DC Converter

Performs MPPT on 20-24 Series Connected PV Cells
Fast MPPT Reacts Quickly to Changing Conditions
Integrated Voltage-Limiting Clamps Output Voltage

MAX20059
72V, 1A, Automotive Synchronous Step-Down DC-DC Converter

Synchronous DC-DC Converters with Integrated FETs
Flexibility
Active-Low RESET Output and EN Input (26V max) Simplify Power Sequencing

MAX20058
60V, 1A, Automotive Synchronous Step-Down DC-DC Converter

Synchronous DC-DC Converters with Integrated FETs
Flexibility
Active-Low RESET Output and EN Input (26V max) Simplify Power Sequencing

MAXM15067
4.5V to 60V, 300mA Step-Down uSLIC Power Module

Easy to Use
High Efficiency
Flexible Design

MAXM15065
4.5V to 60V, 300mA Step-Down uSLIC Power Module

Easy to Use
High Efficiency
Flexible Design

MAXM15066
4.5V to 60V, 300mA Step-Down uSLIC Power Module

Easy to Use
High Efficiency
Flexible Design

MAXM17904
4.5V to 24V, 300mA Himalaya uSLIC Step-Down Power Module

Easy to Use
High Efficiency
Flexible Design

MAXM17905
4.5V to 24V, 300mA Himalaya uSLIC Step-Down Power Module

Easy to Use
High Efficiency
Flexible Design

MAXM17906
4.5V to 24V, 300mA Himalaya uSLIC Step-Down Power Module

Easy to Use
High Efficiency
Flexible Design

MAX20048
Automotive 40V, 55µA I_Q, 2.2MHz, H-Bridge Buck-Boost Controller

Meets Stringent Automotive Quality and Reliability Requirements
Efficient Solution in a Small Solutions Size
Low Quiescent Current Helps Designers Meet Stringent OEM Current Requirements

MAX20010C
Automotive Single 6A Step-Down Converters

Fully Integrated, Synchronous 6A DC-DC Converter Enables Small Solution Size
High-Precision Voltage Regulator for Applications Processors
Low-Noise Feature Reduces EMI

MAX20010D
Automotive Single 6A Step-Down Converters

Fully Integrated, Synchronous 6A DC-DC Converter Enables Small Solution Size
High-Precision Voltage Regulator for Applications Processors
Low-Noise Feature Reduces EMI

MAX20039
Automotive, 2V to 36V, 2.2MHz, 0.6A/1.2A Buck-Boost Converters with Integrated H-Bridge Architecture

Meets Stringent Automotive Quality and Reliability Requirements
Low Quiescent Current Helps Designers Meet Stringent OEM Current Requirements (B and D version only)
High Switching Frequency Allows Use of Small External Components

MAX20040
Automotive, 2V to 36V, 2.2MHz, 0.6A/1.2A Buck-Boost Converters with Integrated H-Bridge Architecture

Meets Stringent Automotive Quality and Reliability Requirements
Low Quiescent Current Helps Designers Meet Stringent OEM Current Requirements (B and D version only)
High Switching Frequency Allows Use of Small External Components

MAX20029B
Automotive Quad/Triple/Quad Low-Voltage Step-Down DC-DC Converters