Datasheet > MAX15053_1107

MAX15053_1107

更新时间： 2024-11-27 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	2278K
描述
High-Efficiency, 2A, Current-Mode Synchronous, Step-Down Switching Regulator

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MAX15053_1107 数据手册

19-5240; Rev 2; 7/11

High-Efficiency, 2A, Current-Mode

Synchronous, Step-Down Switching Regulator

General Description

Features

High-Side and 18mI

The MAX15053 high-efficiency, current-mode, synchro-

nous step-down switching regulator with integrated

power switches delivers up to 2A 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 2A Output Current Over Temperature

S 96% Efficiency with 3.3V Output at 2A

1% Output Voltage Accuracy Over Load, Line,

and Temperature

S Operates from 2.7V to 5.5V Supply

S Cycle-by-Cycle Overcurrent Protection

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

S Programmable Soft-Start

The MAX15053 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 Factory-Trimmed, 1MHz Switching Frequency

The MAX15053 offers selectable skip-mode functionality

to reduce current consumption and achieve a higher effi-

S Stable with Low-ESR Ceramic Output Capacitors

S Safe-Startup Into Prebiased Output

S External Reference Input

ciency at light output load. The low R

integrated

DS(ON)

switches ensure high efficiency at heavy loads while min-

imizing 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 MAX15053 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 MAX15053 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

MAX15053EWL+

-40°C to +85°C

9 WLP

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

The MAX15053 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

2.7V TO 5.5V

OUTPUT

1.8V/2A

MAX15053

GND

Notebook Power

PGOOD

Server Power

ENABLE

OFF

COMP

IP Phones

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MAX15053_1107相关器件

型号	品牌	获取价格	描述	数据表
MAX15053EWL	MAXIM	获取价格	High-Efficiency, 2A, Current-Mode Synchronous, Step-Down Switching Regulator
MAX15053EWL+	MAXIM	获取价格	High-Efficiency, 2A, Current-Mode Synchronous, Step-Down Switching Regulator
MAX15053EWL+T	MAXIM	获取价格	Switching Regulator, Current-mode, 1150kHz Switching Freq-Max, BICMOS, PBGA9, 1.50 X 1.50
MAX15054	MAXIM	获取价格	High-Side MOSFET Driver for HB LED Drivers and DC-DC Applications
MAX15054	ADI	获取价格	高边MOSFET驱动器，用于HB LED驱动器和DC-DC应用
MAX15054AUT+	MAXIM	获取价格	High-Side MOSFET Driver for HB LED Drivers and DC-DC Applications
MAX15054AUT+T	MAXIM	获取价格	Half Bridge Based MOSFET Driver,
MAX15058	MAXIM	获取价格	High-Efficiency, 3A, Current-Mode Synchronous, Step-Down Switching Regulator
MAX15058	ADI	获取价格	高效、3A、电流模式同步整流、降压型开关调节器
MAX15058_11	MAXIM	获取价格	High-Efficiency, 3A, Current-Mode Synchronous, Step-Down Switching Regulator

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