MAX15109

更新时间： 2024-11-04 11:57:19

品牌	Logo	应用领域
美信 - MAXIM		稳压器开关
页数	文件大小	规格书
19页	2584K
描述
High-Efficiency, 8A, Current-Mode Synchronous Step-Down Switching Regulator

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MAX15109 数据手册

19-5918; Rev 0; 6/11

High-Efficiency, 8A, Current-Mode Synchronous

Step-Down Switching Regulator with VID Control

General Description

Features

S Continuous 8A Output Current

S Efficiency Over 90%

The MAX15109 high-efficiency, current-mode, synchro-

nous step-down switching regulator with integrated

power switches deliver up to 8A of output current. This

regulator operates from 2.7V to 5.5V and provides four

output voltages using two VID control inputs.

1% Accuracy Over Load, Line, and Temperature

S Operates from a 2.7V to 5.5V Supply

S VID Control Inputs for Selecting Output Voltage

S Programmable Slew-Rate Control

This IC utilizes a current-mode control architecture

with a high gain transconductance error amplifier.

The current-mode control architecture facilitates easy

compensation design and ensures cycle-by-cycle

current limit with fast response to line and load transients.

S Safe Startup into Prebiased Output

S 1MHz Switching Frequency

S Stable with Low-ESR Ceramic Output Capacitors

S Enable Input and Power-Good Output for Power-

This regulator offers skip-mode functionality to reduce

current consumption and achieve a higher efficiency at

Supply Sequencing

S Cycle-by-Cycle Overcurrent Protection Faults

light loads. The low R

integrated switches ensure

DS(ON)

high efficiency at heavy loads while minimizing critical

inductance, making the layout design a much simpler

task with respect to discrete solutions. The high switching

frequency (1MHz), along with the PWM current-mode archi-

tecture allows for a compact, all-ceramic capacitor design.

S Fully Protected Against Overcurrent and

Overtemperature

S Input Undervoltage Lockout

S 20-Bump (4 x 5 Array), 2.5mm x 2mm, WLP

Package

The IC features a capacitor-programmable slew-rate

control to reduce input current at the startup and when

the output changes state under VID control. Internal

control circuitry ensures safe-startup into a prebiased

output. Power sequencing is controlled with the enable

input and power-good output.

Ordering Information

PART

TEMP RANGE

PIN-PACKAGE

MAX15109EWP+

-40NC to +85NC

20 WLP

The IC is available in a 20-bump (4 x 5 array), 2.5mm x

2mm, WLP package and is fully specified over the -40NC

to +85NC temperature range.

+Denotes a lead(Pb)-free/RoHS-compliant package.

Applications

Distributed Power Systems

DDR Memory

Typical Operating Circuit

Notebook Power

OUTPUT

VID0

VID1

VID0

VID1

2.7V TO

5.5V

PGND

MAX15109

INX

COMP

PGOOD

_______________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

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与MAX15109相关器件

型号	品牌	获取价格	描述	数据表
MAX15109EWP+	MAXIM	获取价格	Switching Regulator, Current-mode, 8A, 1150kHz Switching Freq-Max, BICMOS, PBGA20, WLP-20
MAX15109EWP+T	MAXIM	获取价格	Switching Regulator
MAX1510ATB/V+	MAXIM	获取价格	Terminator Support Circuit, BICMOS, PDSO10, 3 X 3 MM, ROHS COMPLIANT, TDFN-10
MAX1510ETB	MAXIM	获取价格	Low-Voltage DDR Linear Regulator
MAX1510ETB+T	MAXIM	获取价格	Terminator Support Circuit, BICMOS, PDSO10, 3 X 3 MM, ROHS COMPLIANT, TDFN-10
MAX1510ETB-T	MAXIM	获取价格	Terminator Support Circuit, BICMOS, PDSO10, 3 X 3 MM, TDFN-10
MAX15112	MAXIM	获取价格	High-Efficiency, 12A, Current-Mode Synchronous Step-Down Regulator with Integrated Switche
MAX15112	ADI	获取价格	高效、12A、电流模式同步整流降压转换器，内置开关
MAX15112EWG	MAXIM	获取价格	High-Efficiency, 12A, Current-Mode Synchronous Step-Down Regulator with Integrated Switche
MAX15118	MAXIM	获取价格	High-Efficiency, 18A, Current-Mode Synchronous Step-Down Regulator with Integrated Switche

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