Datasheet > MAX15058

MAX15058

更新时间： 2024-11-29 11:18:31

品牌	Logo	应用领域
美信 - MAXIM		稳压器开关
页数	文件大小	规格书
21页	2408K
描述
High-Efficiency, 3A, Current-Mode Synchronous, Step-Down Switching Regulator

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MAX15058 数据手册

19-5478; Rev 2; 7/11

High-Efficiency, 3A, Current-Mode

Synchronous, Step-Down Switching Regulator

General Description

Features

High-Side and 18mI

The MAX15058 high-efficiency, current-mode, synchro-

nous step-down switching regulator with integrated

power switches delivers up to 3A of output current.

The device operates from 2.7V to 5.5V and provides an

output voltage from 0.6V up to 94% of the input voltage,

making the device ideal for distributed power systems,

portable devices, and preregulation applications.

S Internal 30mI (typ) R

DS(ON)

(typ) Low-Side MOSFETs at 5V

S Continuous 3A Output Current Over Temperature

S 95% Efficiency with 3.3V Output at 3A

S 1% Output Voltage Accuracy Over Load, Line, and

Temperature

S Operates from 2.7V to 5.5V Supply

The MAX15058 utilizes a current-mode control archi-

tecture with a high-gain transconductance error ampli-

fier. 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 Cycle-by-Cycle Overcurrent Protection

S Adjustable Output from 0.6V to Up to 0.94 x V

S Programmable Soft-Start

S Factory-Trimmed, 1MHz Switching Frequency

The MAX15058 offers selectable skip-mode functional-

ity to reduce current consumption and achieve a higher

S Stable with Low-ESR Ceramic Output Capacitors

S Safe-Startup Into Prebiased Output

S External Reference Input

efficiency at light output load. The low R

inte-

DS(ON)

grated switches ensure high efficiency at heavy loads

while minimizing critical inductances, making the layout

design a much simpler task with respect to discrete

solutions. Utilizing a simple layout and footprint assures

first-pass success in new designs.

S Skip-Mode Functionality

S Enable Input/Power-Good Output

S Fully Protected Against Overcurrent and

The MAX15058 features a 1MHz, factory-trimmed, fixed-

frequency PWM mode operation. The high switching fre-

quency, along with the PWM current-mode architecture,

allows for a compact, all-ceramic capacitor design.

Overtemperature

S Input Undervoltage Lockout

Ordering Information

The MAX15058 offers a capacitor-programmable soft-

start reducing inrush current, startup into PREBIAS

operations, and a PGOOD open-drain output that can be

used as an interrupt and for power sequencing.

PART

TEMP RANGE

PIN-PACKAGE

MAX15058EWL+

-40°C to +85°C

9 WLP

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

The MAX15058 is available in a 9-bump (3 x 3 array),

1.5mm x 1.5mm WLP package and is specified over the

-40NC to +85NC temperature range.

Typical Operating Circuit

Applications

Distributed Power Systems

Preregulators for Linear Regulators

Portable Devices

INPUT

OUTPUT

1.8V/3A

2.8V TO 5.5V

MAX15058

GND

Notebook Power

PGOOD

Server Power

IP Phones

ENABLE

OFF

COMP

SKIP

SS/REFIN

_______________________________________________________________ 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.

12 3 4 5 6 7...21

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与MAX15058相关器件

型号	品牌	获取价格	描述	数据表
MAX15058_11	MAXIM	获取价格	High-Efficiency, 3A, Current-Mode Synchronous, Step-Down Switching Regulator
MAX15058EWL	MAXIM	获取价格	High-Efficiency, 3A, Current-Mode Synchronous, Step-Down Switching Regulator
MAX15058EWL+T	MAXIM	获取价格	Battery Charge Controller, Current-mode, 3A, 1150kHz Switching Freq-Max, BICMOS, PBGA9,
MAX15059	MAXIM	获取价格	76V, 300mW Boost Converter and Current Monitor for APD Bias Applications
MAX15059	ADI	获取价格	76V、300mW boost转换器和电流监测器，用于APD偏置
MAX15059A	MAXIM	获取价格	Demonstrates Thermal-Shutdown Feature
MAX15059AETE+	MAXIM	获取价格	76V, 300mW Boost Converter and Current Monitor for APD Bias Applications
MAX15059AETE+T	MAXIM	获取价格	Switching Regulator, Current-mode, 1.3A, 420kHz Switching Freq-Max, BICMOS, TQFN-16
MAX15059B	MAXIM	获取价格	Demonstrates Thermal-Shutdown Feature
MAX15059BETE+	MAXIM	获取价格	76V, 300mW Boost Converter and Current Monitor for APD Bias Applications

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