MAX1515

低电压、内置开关、降压型/DDR稳压器

低电压、内置开关、降压/DDR调节器,用于笔记本电脑或亚笔记本电脑的低电压有源终端或芯片组供电


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说明

MAX1515恒定关断时间, 脉宽调制(PWM),提供/吸收电流,降压型DC-DC转换器针对笔记本电脑和亚笔记本电脑低压有源终端电源或芯片组电源进行了优化。该器件内置两路n沟道MOSFET电源开关,可提高效率并减少元件数目。无需使用外部肖特基二极管。集成了boost开关,不需使用外部boost二极管。内部40mΩ NMOS功率开关能够轻松提供和吸收最大3A的连续负载电流。MAX1515输出+0.5V至+2.7V可调,效率高达95%。

MAX1515可用作DDR调节器,其输出电压为存储器电源电压的一半。功率级的输入可取自存储器电源,并允许能量返回存储器电源以提高电源效率。MAX1515内置一个能提供±5mA驱动电流的基准缓冲。

MAX1515采用独特的电流模式,恒定关断时间PWM控制方式。在轻载时可选择脉冲跳频模式提高效率,但仍可根据需要提供和吸收电流。MAX1515还可工作在低输出波纹的固定PWM模式。恒定关断时间可编程,开关频率最高可设为1MHz,使用户在效率,输出开关噪声,元件尺寸和成本之间获得最佳综合性能。MAX1515的可调软启动模式可限制启动浪涌电流,低功耗关断模式可切断输入和输出,并将电源电流降至1µA。MAX1515提供带背面裸露焊盘的24引脚薄型QFN封装。
MAX1515:典型工作电路 MAX1515:典型工作电路 放大+

关键特性

  • 双路40mΩ内部n沟道MOSFET
  • 集成boost开关
  • +1.3V至+3.6V输入电压范围
  • 线路和负载变化时VOUT精度1%
  • 1MHz最大开关频率
  • DDR终端调节器(DDR模式)
    • 跟踪输出电压
    • 提供/吸收脉冲跳频
    • ±5mA基准缓冲
  • 输出电压(非DDR模式)
    • 引脚选择+2.5V, +1.8V或+1.5V
    • +0.5V至+2.7V可调
  • 1.1V ±0.75%基准输出
  • 可调平稳启动输入浪涌电流限制
  • < 1µA (典型值)关断电流
  • < 800µA (典型值)工作电流
  • 轻载时,可选脉冲跳频模式
  • 正向和反向电流限制
  • 电源就绪窗口比较
  • 输出短路保护

应用

  • 有源端接总线
  • 芯片组/图形处理器供电
  • 笔记本电脑DDR存储器终端匹配

请查看具体的参数规格 Step-Down Switching Regulators (409)


Part NumberVIN
(V)
VIN
(V)
VOUT1
(V)
VOUT1
(V)
IOUT1
(A)
Switch Type
minmaxminmaxmax
MAX1515 1.33.60.52.73Internal

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。
申请可靠性报告: MAX1515 
型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

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。

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相关资料


MAX17783C
4.5V to 60V, 2.5A, High Efficiency, Step-Down DC-DC Converter

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

MAX20028
Step-Down Controller with Dual 2.1MHz Step-Down DC-DC Converters

  • High-Efficiency Voltage DC-DC Controller Saves Power
  • Dual 2.1MHz DC-DC Converters with Integrated FETs Saves Space
  • High Accuracy to Meet ASIL Specification

MAX77533
14V Input, 1.5A High-Efficiency Buck Converter with 9μA IQ

  • 1.5A Single Channel Buck Regulator
  • 3V to 14V Input Voltage Range
  • 0.8V to 99%VSUP Output Voltage Range

MAX20766
Smart Slave IC with Integrated Current and Temperature Sensors

  • Increased Power Density with Fewer External Components
  • Accurate Real-Time Telemetry of Critical Parameters
  • Advanced Self-Protection Features for the System and IC

MAX20796
Dual-Phase Scalable Integrated Voltage Regulator with PMBus Interface

  • Peak Efficiency 92%; Full-Load Efficiency 90% at VIN = 12V, VOUT = 1V
  • Operating Input Voltage Range 4.5V to 16V
  • Output Voltage Range is 0.5V to 5.5V

MAX17227A
400mV to 5.5V Input, 2A nanoPower Boost Converter with Short-Circuit Protection and True Shutdown

  • 350nA Quiescent Supply Current from Output
  • Output Short-Circuit Protection
  • True Shutdown Mode

MAX20030
Dual Buck, Sync Boost and LDO–Complete Front-End Power Supply with 17μA IQ

  • Meets Stringent OEM Module Power Consumption and Performance Specifications
  • Enables Crank-Ready Designs
  • EMI Reduction Features Reduce Interference with Sensitive Radio Bands without Sacrificing Wide Input Voltage Range

MAX20031
Dual Buck, Sync Boost and LDO–Complete Front-End Power Supply with 17μA IQ

  • Meets Stringent OEM Module Power Consumption and Performance Specifications
  • Enables Crank-Ready Designs
  • EMI Reduction Features Reduce Interference with Sensitive Radio Bands without Sacrificing Wide Input Voltage Range

MAX25431
Automotive 40V, 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

MAX20710
Integrated, Step-Down Switching Regulator with PMBus

  • High Power Density and Low Component Count
  • Optimized Component Performance and Efficiency with Reduced Design-In Time
  • Increased Power-Supply Reliability with System and IC Self-Protection Features

MAX17760
4.5V to 76V, 300mA, 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

MAX20430
Four-Output Mini PMIC for Safety Applications

  • Multiple Functions for Small Size
  • High-Precision for ASIL Applications
  • Diagnostics and Redundant Circuits

MAX18066
High-Efficiency, 4A, Step-Down DC-DC Regulator with Internal Power Switches

  • Feature Integration Shrinks Solution Size
  • High Efficiency Conserves Power
  • Safe, Reliable, Accurate Operation

MAX18166
High-Efficiency, 4A, Step-Down DC-DC Regulator with Internal Power Switches

  • Feature Integration Shrinks Solution Size
  • High Efficiency Conserves Power
  • Safe, Reliable, Accurate Operation

MAX77511
10V输入、四相位、可配置、3A/相位、高效Buck转换器

  • 3A/相配置Buck调节器
  • 2.3V至10V输入电压范围
  • 0.25V至5.2V输出电压范围

MAX77711
10V输入、四相位、可配置、3A/相位、高效Buck转换器

  • 3A/相配置Buck调节器
  • 2.3V至10V输入电压范围
  • 0.25V至5.2V输出电压范围

MAX15158, MAX15158A
High-Voltage Multiphase Boost Controller

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

MAX15158A
High-Voltage Multiphase Boost Controller

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

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