Datasheet > 电源电路 > 开关式稳压器或控制器> MAX1630CAI+

MAX1630CAI+

更新时间： 2024-11-11 13:10:23

品牌	Logo	应用领域
美信 - MAXIM		电脑控制器
页数	文件大小	规格书
28页	240K
描述
Dual Switching Controller, Current-mode, 300kHz Switching Freq-Max, BICMOS, PDSO28, 5.30 MM, 0.65 MM PITCH, SSOP-28

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MAX1630CAI+ 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	零件包装代码：	SSOP
包装说明：	SSOP, SSOP28,.3	针数：	28
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.63
模拟集成电路 - 其他类型：	DUAL 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：	e3
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：	70 °C	最低工作温度：
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）：	260	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：	COMMERCIAL
端子面层：	Matte Tin (Sn)	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

MAX1630CAI+ 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

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MAX1630CAI+ 替代型号

型号	品牌	替代类型	描述	数据表
MAX1631CAI	MAXIM	完全替代	Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers
MAX1631AEAI+	MAXIM	类似代替	Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers

与MAX1630CAI+相关器件

型号	品牌	获取价格	描述	数据表
MAX1630CAI+T	MAXIM	获取价格	Switching Controller, Current-mode, 300kHz Switching Freq-Max, BICMOS, PDSO28, 5.30 MM, 0.
MAX1630CAI-T	MAXIM	获取价格	Switching Controller, Current-mode, 300kHz Switching Freq-Max, BICMOS, PDSO28, 5.30 MM, 0.
MAX1630EAI	MAXIM	获取价格	Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers
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

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