Datasheet > MAX9738EWP+G45

MAX9738EWP+G45

更新时间： 2024-01-10 12:09:21

品牌	Logo	应用领域
美信 - MAXIM		开关
页数	文件大小	规格书
14页	329K
描述
Switching Regulator,

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技术参数
数据手册

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MAX9738EWP+G45 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	包装说明：	,
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.75
模拟集成电路 - 其他类型：	SWITCHING REGULATOR	湿度敏感等级：	1
峰值回流温度（摄氏度）：	NOT SPECIFIED	处于峰值回流温度下的最长时间：	NOT SPECIFIED
Base Number Matches：	1

MAX9738EWP+G45 数据手册

19-3700; Rev 0; 3/08

16V Class G Amplifier with

P-P

Inverting Boost Converter

MAX9738

General Description

Features

The MAX9738 features a mono Class G power amplifi-

er with an integrated inverting boost converter. The

Class G amplifier is specifically designed to drive the

high capacitance of a ceramic/piezoelectric loud-

speaker. The inverting boost converter can typically

supply up to 400mA of peak output current, allowing

♦ Integrated Inverting Boost Converter

♦ 2.7V to 5.5V Single-Supply Operation

♦ 16V

Output Voltage Swing, Ideal for Driving a

P-P

Ceramic Speaker

♦ Maintains Output Voltage Swing as the Battery

for a constant output of 16V

supply voltage range.

over the 2.7V to 5.5V

Decays

P-P

♦ Clickless/Popless Operation

The MAX9738 maximizes battery life by offering high-

performance efficiency. Maxim’s proprietary output

stage provides efficiency levels greater than Class AB

devices without the EMI penalties commonly associat-

ed with Class D amplifiers.

♦ Small, Thermally Efficient 5x4 WLP Package

(2.5mm x 2mm)

Applications

Cellular Phones

Smartphones

MP3 Players

Handheld Gaming

Consoles

Notebook Computers

The MAX9738 is ideally suited to deliver the high output

voltage swing required to drive ceramic/piezoelectric

speakers.

Personal Media

Players

The device utilizes fully differential inputs and outputs,

comprehensive click-and-pop suppression, shutdown

control, and soft-start circuitry. The MAX9738 is fully

specified over the -40°C to +85°C extended tempera-

ture range and is available in an ultra-small, lead-free

5x4 WLP (2.5mm x 2mm) package.

Ordering Information

PIN-

PACKAGE

PART

TEMP RANGE

MAX9738EWP+TG45

-40°C to +85°C

5x4 WLP

Typical Application Circuit/Functional Diagram and Pin

Configuration appear at end of data sheet.

+Denotes a lead-free package.

T = Tape and reel.

G45 indicates protective die coating.

Simplified Block Diagram

BAT

ISET

BST

INVERTING

BOOST

CONVERTER

FB+

OUT+

OUT-

IN+

CLASS G

OUTPUT

STAGE

IN-

FB-

GND

MAX9738

PIEZOELECTRIC

SPEAKER

________________________________________________________________ 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...14

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与MAX9738EWP+G45相关器件

型号	品牌	描述	获取价格	数据表
MAX9738EWP+TG45	MAXIM	Switching Regulator, 0.4A, 1500kHz Switching Freq-Max, BICMOS, PBGA20, 5 X 4 MM, LEAD FREE	获取价格
MAX973C/D	MAXIM	Ultra-Low-Power, Open-Drain, Single/Dual-Supply Comparators	获取价格
MAX973CPA	MAXIM	Ultra-Low-Power, Open-Drain, Single/Dual-Supply Comparators	获取价格
MAX973CSA	MAXIM	Ultra-Low-Power, Open-Drain, Single/Dual-Supply Comparators	获取价格
MAX973CSA+	MAXIM	Comparator, 2 Func, 10000uV Offset-Max, 300000ns Response Time, PDSO8, 0.150 INCH, SOIC-8	获取价格
MAX973CSA+T	ROCHESTER	DUAL COMPARATOR, 10000uV OFFSET-MAX, 300000ns RESPONSE TIME, PDSO8, 0.150 INCH, SOIC-8	获取价格

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