Datasheet > MAX77813EWP+T

MAX77813EWP+T

更新时间： 2024-09-16 02:52:43

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
30页	1169K
描述
5.5V Input, 2A, High-Efficiency Buck-Boost Converter

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MAX77813EWP+T 数据手册

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MAX77813

5.5V Input, 2A, High-Eﬃciency

Buck-Boost Converter

General Description

Features and Beneﬁts

The MAX77813 is a high-efficiency step-up/step-down

(buck-boost) converter targeted for single-cell Li+/Li-ion

battery powered applications. The device maintains a

regulated output voltage from 2.6V to 5.14V across an

input voltage range of 2.3V to 5.5V. The device supports

up to 2A of output current in boost mode and up to 3A in

buck mode.

● V Range: 2.30V to 5.5V

● V

Range: 2.60V to 5.14V

OUT

(I C Programmable in 20mV Steps)

● Up to 2A Output Current in Boost Mode

(V = 3.0V, V

= 3.4V, ILIM = High)

OUT

● Up to 3A Output Current in Buck Mode (ILIM = High)

● Up to 97% Peak Efficiency

The device seamlessly transitions between buck and

boost modes. A unique control algorithm allows high-

efficiency, outstanding load, and line transient response.

● SKIP Mode for Optimal Light Load Efficiency

● 55µA (Typ) Low Quiescent Current

Dedicated enable and power-OK pins allow simple hard-

● 3.4MHz High Speed I C Serial Interface

ware control. An I C serial interface is optionally used for

● Input Current Limit Selection Pin

● Power-OK Output

dynamic voltage scaling, system power optimization, and

fault read-back. The device supports two inductor current

limit options selected by the ILIM pin.

● 2.5MHz Switching Frequency

The MAX77813 is available in a 20-bump, 1.83mm x

2.13mm wafer-level package (WLP).

● Protection Features

• Soft-Start

• Thermal Shutdown

• Overvoltage Protection

• Overcurrent Protection

Applications

● Single-Cell Li+/Li-ion Battery Powered Devices

● Handheld Scanners, Mobile Payment Terminals,

Security Cameras

● 1.827mm x 2.127mm, 20-Bump WLP

● AR/VR Headsets

Ordering Information appears at end of data sheet.

Typical Application Circuit

1μH

BOOST TO BUCK

LINE TRANSIENT RESPONSE

LX1

MAX77813

LX2

I_OUT= 1.5A

DC INPUT

2.3V TO 5.5V

OUT

V_OUT= 3.3V

3.4V

2.6V TO 5.14V

2A (BOOST MODE)

3A (BUCK MODE)

10μF

SYS

47μF

2.9V

OUTS

PGND

1μF

500mV/div

20mV/div

BOOST

MODE

BOOST

MODE

BUCK MODE

SERIAL

HOST

SDA

SCL

OUT

POWER-OK

POK

ILIM

CURRENT LIMIT

SELECT

ENABLE

100µs/div

HIGH-EFFICIENCY BUCK-BOOST CONVERTER

WITH OPTIONAL I C CONTROL IN TINY 20-BUMP WLP

19-8238; Rev 2; 3/19

12 3 4 5 6 7...30

中文翻译

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与MAX77813EWP+T相关器件

型号	品牌	获取价格	描述	数据表
MAX77813EWP33+T	MAXIM	获取价格	5.5V Input, 2A, High-Efficiency Buck-Boost Converter
MAX77816	ADI	获取价格	高效升/降压稳压器，带5A开关
MAX77816AEWP+	MAXIM	获取价格	Switching Regulator,
MAX77818	ADI	获取价格	双路输入、电源通路、3A开关模式充电器，带电量计
MAX77818EWZ+	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 2 Channel, BICMOS, PBGA72, WLP-72
MAX77818EWZ+T	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PBGA72, WLP-72
MAX77826	ADI	获取价格	电源管理IC
MAX77826EWJ+	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 17 Channel, PBGA49, BUMPS-49
MAX77827	MAXIM	获取价格	5.5V Input, 1.8A/3.1A Switch Buck-Boost Conve
MAX77827	ADI	获取价格	5.5V输入、1.8A/3.1A开关升/降压转换器，6μA IQ

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