Datasheet > 电源电路 > 开关式稳压器或控制器> MAX1627C/D

MAX1627C/D

更新时间： 2024-11-27 22:22:35

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
页数	文件大小	规格书
16页	187K
描述
5V/3.3V or Adjustable, 100% Duty-Cycle, High-Efficiency, Step-Down DC-DC Controllers

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中文翻译

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技术参数
数据手册

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MAX1627C/D 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Active	零件包装代码：	DIE
包装说明：	DIE,	针数：	9
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.79
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 FREQUENCY MODULATION
最大输入电压：	16.5 V	最小输入电压：	3 V
JESD-30 代码：	R-XUUC-N9	JESD-609代码：	e0
功能数量：	1	端子数量：	9
最高工作温度：	70 °C	最低工作温度：
最大输出电流：	0.05 A	封装主体材料：	UNSPECIFIED
封装代码：	DIE	封装形状：	RECTANGULAR
封装形式：	UNCASED CHIP	峰值回流温度（摄氏度）：	NOT SPECIFIED
认证状态：	Not Qualified	最大供电电流 (Isup)：	0.08 mA
表面贴装：	YES	切换器配置：	SINGLE
最大切换频率：	300 kHz	技术：	CMOS
温度等级：	COMMERCIAL	端子面层：	TIN LEAD
端子形式：	NO LEAD	端子位置：	UPPER
处于峰值回流温度下的最长时间：	NOT SPECIFIED	Base Number Matches：	1

MAX1627C/D 数据手册

19-1075; Rev 0; 6/96

5 V/3 .3 V o r Ad ju s t a b le , 1 0 0 % Du t y-Cyc le ,

Hig h -Effic ie n c y, S t e p -Do w n DC-DC Co n t ro lle rs

/MAX1627

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

____________________________Fe a t u re s

The MAX1626/MAX1627 step-down DC-DC switching

controllers provide high efficiency over loads ranging

from 1mA to more than 2A. A unique current-limited,

p uls e -fre q ue nc y-mod ula te d (PFM) c ontrol s c he me

operates with up to a 100% duty cycle, resulting in very

low dropout voltages. This control scheme eliminates

minimum load requirements and reduces the supply

current under light loads to 90µA (versus 2mA to 10mA

for common pulse-width modulation controllers).

♦ Low Dropout Voltage

♦ 100% Maximum Duty Cycle

♦ Soft-Start Limits Start-Up Current

♦ Efficiency >90% (3mA to 2A Loads)

♦ Output Power >12.5W

♦ 90µA Max Quiescent Current

♦ 1µA Max Shutdown Current

♦ Up to 300kHz Switching Frequency

♦ 16.5V Max Input Voltage

These step-down controllers drive an external P-chan-

nel MOSFET, allowing design flexibility for applications

to 12W or higher. Soft-start reduces current surges dur-

ing start-up. A high switching frequency (up to 300kHz)

and operation in continuous-conduction mode allow the

use of tiny surface-mount inductors. Output capacitor

requirements are also reduced, minimizing PC board

area and system costs.

♦ Output Voltage: 5V/3.3V (MAX1626)

Adjustable (MAX1627)

♦ Current-Limited Control Scheme

The outp ut volta g e is p re s e t a t 5V or 3.3V for the

MAX1626 and adjustable for the MAX1627. Input volt-

ages can be up to 16.5V. The MAX1626/MAX1627 are

functional upgrades for the MAX1649/MAX1651.

______________Ord e rin g In fo rm a t io n

PART

TEMP. RANGE

0°C to +70°C

PIN-PACKAGE

Dice*

________________________Ap p lic a t io n s

PCMCIA Power Supplies

MAX1626C/D

MAX1626ESA

MAX1627C/D

MAX1627ESA

-40°C to +85°C

0°C to +70°C

8 SO

Personal Digital Assistants

Dice*

Hand-Held Computers

-40°C to +85°C

8 SO

Portable Terminals

* Dice are tested at T = +25°C.

Low-Cost Notebook Computer Supplies

5V to 3.3V Green PC Applications

High-Efficiency Step-Down Regulation

Minimum-Component DC-DC Converters

Battery-Powered Applications

__________Typ ic a l Op e ra t in g Circ u it

INPUT

3.3V to 16.5V

__________________P in Co n fig u ra t io n

V+

TOP VIEW

MAX1626

SHDN

ON/OFF

OUT

3/5 (FB)

SHDN

REF

GND

EXT

OUTPUT

3.3V

MAX1626

MAX1627

3/5

V+

OUT

REF

GND

( ) ARE FOR MAX1627

________________________________________________________________ Maxim Integrated Products

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

12 3 4 5 6 7...16

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与MAX1627C/D相关器件

型号	品牌	获取价格	描述	数据表
MAX1627ESA	MAXIM	获取价格	5V/3.3V or Adjustable, 100% Duty-Cycle, High-Efficiency, Step-Down DC-DC Controllers
MAX1627ISA	MAXIM	获取价格	Analog IC
MAX162ACNG	MAXIM	获取价格	Complete High-Speed CMOS 12-Bit ADC
MAX162ACNG+	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Parallel, 8 Bits Access, CMOS, P
MAX162ACNG-T	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Parallel, 8 Bits Access, CMOS, P
MAX162ACWG	MAXIM	获取价格	Complete High-Speed CMOS 12-Bit ADC
MAX162ACWG+	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Parallel, 8 Bits Access, CMOS, P
MAX162ACWG+T	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Parallel, 8 Bits Access, CMOS, P
MAX162ACWG-T	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Parallel, 8 Bits Access, CMOS, P
MAX162AENG	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Parallel, 8 Bits Access, CMOS, P

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