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MAX1630EAI

更新时间： 2024-11-10 22:57:59

品牌	Logo	应用领域
美信 - MAXIM		稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管电脑信息通信管理
页数	文件大小	规格书
28页	240K
描述
Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers

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技术参数
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替代型号

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MAX1630EAI 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Obsolete	零件包装代码：	SSOP
包装说明：	5.30 MM, 0.65 MM PITCH, SSOP-28	针数：	28
Reach Compliance Code：	not_compliant	ECCN代码：	EAR99
HTS代码：	8542.31.00.01	Factory Lead Time：	1 week
风险等级：	5.62	Is Samacsys：	N
模拟集成电路 - 其他类型：	SWITCHING CONTROLLER	控制模式：	CURRENT-MODE
控制技术：	PULSE WIDTH MODULATION	最大输入电压：	30 V
最小输入电压：	4.2 V	标称输入电压：	15 V
JESD-30 代码：	R-PDSO-G28	JESD-609代码：	e0
长度：	10.2 mm	湿度敏感等级：	1
功能数量：	1	端子数量：	28
最高工作温度：	85 °C	最低工作温度：	-40 °C
最大输出电流：	0.08 A	标称输出电压：	12 V
封装主体材料：	PLASTIC/EPOXY	封装代码：	SSOP
封装等效代码：	SSOP28,.3	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, SHRINK PITCH	峰值回流温度（摄氏度）：	245
认证状态：	Not Qualified	座面最大高度：	1.99 mm
子类别：	Switching Regulator or Controllers	最大供电电流 (Isup)：	0.05 mA
表面贴装：	YES	切换器配置：	PUSH-PULL
最大切换频率：	300 kHz	技术：	BICMOS
温度等级：	INDUSTRIAL	端子面层：	Tin/Lead (Sn85Pb15)
端子形式：	GULL WING	端子节距：	0.65 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	5.29 mm	Base Number Matches：	1

MAX1630EAI 数据手册

19-0480; Rev 3; 4/97

Mu lt i-Ou t p u t , Lo w -No is e P o w e r-S u p p ly

Co n t ro lle rs fo r No t e b o o k Co m p u t e rs

0–MAX1635

________________Ge n e ra l De s c rip t io n

____________________________Fe a t u re s

♦ 96% Efficiency

♦ +4.2V to +30V Input Range

The MAX1630–MAX1635 are buck-topology, step-down,

switch-mode, power-supply controllers that generate

logic-supply voltages in battery-powered systems. These

high-performance, dual/triple-output devices include on-

board power-up sequencing, power-good signaling with

delay, digital soft-start, secondary winding control, low-

dropout circuitry, internal frequency-compensation net-

works, and automatic bootstrapping.

♦ 2.5V to 5.5V Dual Adjustable Outputs

♦ Selectable 3.3V and 5V Fixed or Adjustable

Outputs (Dual Mode™)

♦ 12V Linear Regulator

♦ Adjustable Secondary Feedback

(MAX1631/MAX1634)

Up to 96% efficiency is achieved through synchronous

rectification and Maxim’s proprietary Idle Mode™ control

scheme. Efficiency is greater than 80% over a 1000:1

load-current range, which extends battery life in system-

suspend or standby mode. Excellent dynamic response

corrects output load transients caused by the latest

dynamic-clock CPUs within five 300kHz clock cycles.

Strong 1A on-board gate drivers ensure fast external

N-channel MOSFET switching.

♦ 5V/50mA Linear Regulator Output

♦ Precision 2.5V Reference Output

♦ Programmable Power-Up Sequencing

♦ Power-Good (RESET) Output

♦ Output Overvoltage Protection

(MAX1630/MAX1631/MAX1632)

♦ Output Undervoltage Shutdown

(MAX1630/MAX1631/MAX1632)

These devices feature a logic-controlled and synchroniz-

able, fixed-frequency, pulse-width-modulation (PWM)

operating mode. This reduces noise and RF interference

in sensitive mobile communications and pen-entry appli-

cations. Asserting the SKIP pin enables fixed-frequency

mode, for lowest noise under all load conditions.

♦ 200kHz/300kHz Low-Noise, Fixed-Frequency

Operation

♦ Low-Dropout, 99% Duty-Factor Operation

♦ 2.5mW Typical Quiescent Power (+12V input, both

SMPSs on)

♦ 4µA Typical Shutdown Current

♦ 28-Pin SSOP Package

The MAX1630–MAX1635 include two PWM regulators,

adjustable from 2.5V to 5.5V with fixed 5.0V and 3.3V

modes. All these devices include secondary feedback

re g ula tion, a nd the MAX1630/MAX1632/MAX1633/

MAX1635 each contain 12V/120mA linear regulators. The

MAX1631/MAX1634 include a secondary feedback input

(SECFB), plus a control pin (STEER) that selects which

PWM (3.3V or 5V) receives the secondary feedback sig-

nal. SECFB provides a method for adjusting the sec -

ondary winding voltage regulation point with an external

resistor divider, and is intended to aid in creating auxiliary

voltages other than fixed 12V.

_______________Ord e rin g In fo rm a t io n

PART

TEMP. RANGE

0°C to +70°C

PIN-PACKAGE

28 SSOP

MAX1630CAI

MAX1630EAI

-40°C to +85°C

28 SSOP

Ordering Information continued on last page.

________________Fu n c t io n a l Dia g ra m

The MAX1630/MAX1631/MAX1632 contain internal out-

put overvoltage and undervoltage protection features.

INPUT

+12V

+5V

+5V (RTC)

________________________Ap p lic a t io n s

Notebook and Subnotebook Computers

PDAs and Mobile Communicators

LINEAR

12V

LINEAR

Desktop CPU Local DC-DC Converters

+3.3V

3.3V

SMPS

Pin Configurations and Selector Guide appear at end of data

sheet.

POWER-UP POWER-

SEQUENCE GOOD

ON/OFF

RESET

Idle Mode and Dual Mode are trademarks of Maxim Integrated

Products.

________________________________________________________________ Maxim Integrated Products

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.

For small orders, phone 408-737-7600 ext. 3468.

12 3 4 5 6 7...28

中文翻译

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MAX1630EAI 替代型号

型号	品牌	替代类型	描述	数据表
MAX1631AEAI+	MAXIM	类似代替	Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers

与MAX1630EAI相关器件

型号	品牌	获取价格	描述	数据表
MAX1630EAI+	MAXIM	获取价格	Dual Switching Controller, Current-mode, 300kHz Switching Freq-Max, BICMOS, PDSO28, 5.30 M
MAX1630EAI+T	MAXIM	获取价格	Switching Controller, Current-mode, 300kHz Switching Freq-Max, BICMOS, PDSO28, 5.30 MM, 0.
MAX1630EAI-T	MAXIM	获取价格	Switching Controller, Current-mode, 300kHz Switching Freq-Max, BICMOS, PDSO28, 5.30 MM, 0.
MAX1630-MAX1635	MAXIM	获取价格	Multi-Output Low-Noise Power-Supply Controllers for Notebook Co
MAX1631	MAXIM	获取价格	Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers
MAX1631A	MAXIM	获取价格	Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers
MAX1631A	ADI	获取价格	多输出、低噪声电源控制器，用于笔记本电脑
MAX1631AEAI	MAXIM	获取价格	Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers
MAX1631AEAI+	MAXIM	获取价格	Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers
MAX1631AEAI+T	MAXIM	获取价格	暂无描述

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