Datasheet > MAX8566ETJ+

MAX8566ETJ+

更新时间： 2024-11-28 03:34:55

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	286K
描述
High-Efficiency, 10A, PWM Internal-Switch Step-Down Regulator

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MAX8566ETJ+ 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	QFN
包装说明：	HVQCCN, LCC32,.2SQ,20	针数：	32
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	1.46
其他特性：	ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 2.808V	模拟集成电路 - 其他类型：	SWITCHING REGULATOR
控制模式：	VOLTAGE-MODE	控制技术：	PULSE WIDTH MODULATION
最大输入电压：	3.6 V	最小输入电压：	2.3 V
标称输入电压：	3.3 V	JESD-30 代码：	S-XQCC-N32
JESD-609代码：	e3	长度：	5 mm
湿度敏感等级：	1	功能数量：	1
端子数量：	32	最高工作温度：	85 °C
最低工作温度：	-40 °C	最大输出电流：	10 A
封装主体材料：	UNSPECIFIED	封装代码：	HVQCCN
封装等效代码：	LCC32,.2SQ,20	封装形状：	SQUARE
封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	峰值回流温度（摄氏度）：	260
认证状态：	Not Qualified	座面最大高度：	0.8 mm
子类别：	Switching Regulator or Controllers	表面贴装：	YES
切换器配置：	BOOST	最大切换频率：	2400 kHz
技术：	BICMOS	温度等级：	INDUSTRIAL
端子面层：	Matte Tin (Sn)	端子形式：	NO LEAD
端子节距：	0.5 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	5 mm
Base Number Matches：	1

MAX8566ETJ+ 数据手册

19-3690; Rev 0; 6/05

High-Efficiency, 10A, PWM

Internal-Switch Step-Down Regulator

General Description

Features

♦ Internal 8mΩ On-Resistance MOSFETs

♦ 10A Output PWM Step-Down Regulator

The MAX8566 high-efficiency switching regulator deliv-

ers up to 10A load current at output voltages from 0.6V

to (0.87 x V ). The IC operates from 2.3V to 3.6V input

♦

1ꢀ Output Accuracꢁ oꢂer ꢃoaꢄd ꢃined anꢄ

Temperature

♦ Operates from 2.3V to 3.6V Input Supplꢁ

supplies, making it ideal for point-of-load applications.

The total output-voltage set error is less than 1ꢀ over

load, line, and temperature.

♦ Aꢄjustable Output from 0.6V to (0.87 x V )

The MAX8566 operates in pulse-width-modulation

(PWM) mode with a 250kHz to 2.4MHz switching fre-

quency range that is programmable by an external

resistor. The IC can be synchronized to an external

clock in the same frequency range using the SYNC

input. The high operating frequency minimizes the size

♦ 250kHz to 2.4MHz Aꢄjustable Frequencꢁ or SYNC

Input

♦ Allows All-Ceramic-Capacitor Design

♦ SYNCOUT Driꢂes 2nꢄ Regulator 180° Out-of-Phase

♦ Prebiaseꢄ or Monotonic Soft-Start

♦ Programmable Soft-Start Time

of external components. Using low-R

n-channel

DS(ON)

MOSFETs for both high- and low-side switches main-

tains high efficiency at both heavy-load and high-

switching frequencies.

♦ Output Tracking or Sequencing

♦ Sourcing anꢄ Sinking Output Current

♦ Power-Gooꢄ Output

The MAX8566 employs a voltage-mode control archi-

tecture with a high-bandwidth (> 10MHz) error amplifi-

er. The voltage-mode control architecture makes

switching frequencies greater than 1MHz possible,

achieving all-ceramic-capacitor designs to minimize PC

board space. The error amplifier works with Type 3

compensation to fully utilize the bandwidth of the high-

frequency switching to obtain fast transient response.

Adjustable soft-start time provides flexibility to minimize

input startup inrush current. An open-drain, power-

good (PWRGD) signal goes high when the output

reaches 90ꢀ of its regulation point.

♦ 32-ꢃeaꢄ Thin QFN Package

♦ REFIN for DDR-Termination Application

Ordering Information

PART

TEMP RANGE PIN-PACKAGE

32 Thin QFN 5mm x 5mm

(T3255-4)

MAX8566ETJ+ -40°C to +85°C

+Denotes lead-free package.

Typical Operating Circuit

The MAX8566 provides a SYNCOUT output to synchro-

nize a second MAX8566 or a second regulator switch-

ing 180° out-of-phase with the first to reduce the input

ripple current, which consequently reduces the input-

capacitance requirements. The MAX8566 also pro-

vides an external reference input (REFIN) for

output-tracking applications.

INPUT

2.25V TO 3.6V

REFIN FOR

TRACKING

REFIN

PGND

SYSTEM

ENABLE

The MAX8566 is available in a 32-pin, 5mm x 5mm thin

QFN package. The MAX8566 and all the required exter-

nal components fit into a footprint of less than 0.80in².

SYNC

FREQ

SYNCOUT

GND

SYNC INPUT

MAX8566ETJ+

PROGRAMMABLE

FREQUENCY

STEP-DOWN REGULATOR

TQFN 5mm x 5mm

SYNC OUTPUT 180°

OUTPUT

UP TO 10A

330nH/10A

Applications

ASIC/CPU/DSP Core Voltages

POL Power Supplies

2 x 22µF

6.3V

MONOTONIC SS

SELECTION

POWER-GOOD

OUTPUT

DDR Power Supplies

Base-Station Power Supplies

Fiber Power Supplies

Telecom Power Supplies

COMPENSATION

Network Power Supplies

Pin Configuration appears at end of data sheet.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas 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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