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| 型号： | MAX1776EUA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/13页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK 5V/ADJ 0.6A 8UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 类型： | 降压（降压） |
| 输出类型： | 两者兼有 |
| 输出数： | 1 |
| 输出电压： | 5V，1.25 V ~ 24 V |
| 输入电压： | 4.5 V ~ 24 V |
| 频率 - 开关： | 200kHz |
| 电流 - 输出： | 600mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 包装： | 管件 |
| 供应商设备封装： | 8-uMAX |
| 产品目录页面： | 1410 (CN2011-ZH PDF) |
19-1975; Rev 2; 7/03
24V, 600mA Internal Switch, 100% Duty Cycle,
Step-Down Converter
General Description
The MAX1776 high-efficiency step-down converter pro-
vides an adjustable output voltage from 1.25V to V IN from
supply voltages as high as 24V. An internal current-limit-
ed 0.4 ? MOSFET delivers load currents up to 600mA.
Operation to 100% duty cycle minimizes dropout volt-
age (240mV at 600mA).
The MAX1776 has a low 15μA quiescent current to
improve light-load efficiency and conserve battery life.
The device draws only 3μA while in shutdown.
High switching frequencies (up to 200kHz) allow the
use of tiny surface-mount inductors and output capaci-
tors. The MAX1776 is available in an 8-pin μMAX pack-
age, which uses half the space of an 8-pin SO. For
increased output drive capability, use the MAX1626/
MAX1627 step-down controllers, which drive an exter-
nal P-channel MOSFET to deliver up to 20W.
Applications
Features
o Fixed 5V or Adjustable Output
o 4.5V to 24V Input Voltage Range
o Up to 600mA Output Current
o Internal 0.4 ? P-Channel MOSFET
o Efficiency Over 95%
o 15μA Quiescent Supply Current
o 3μA Shutdown Current
o 100% Maximum Duty Cycle for Low Dropout
o Current-Limited Architecture
o Thermal Shutdown
o Small 8-μMAX Package
Ordering Information
Notebook Computers
Distributed Power Systems
PART
MAX1776EUA
TEMP RANGE
-40°C to +85°C
PIN-PACKAGE
8 μMAX
Keep-Alive Supplies
Hand-Held Devices
Typical Operating Circuit
TOP VIEW
Pin Configuration
SHDN
IN
V IN
ILIM
ILIM2
MAX1776
LX
OUT
V OUT
FB
GND
ILIM
LX
1
2
3
4
MAX1776EUA
8
7
6
5
OUT
SHDN
ILIM2
IN
μ MAX
FB
μ MAX
GND
________________________________________________________________ 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.
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1776EUA+ | 功能描述:直流/直流开关转换器 24V 600mA 100% Duty Cycle Step-Down RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1776EUA+ | 制造商:Maxim Integrated Products 功能描述:SEMICONDUCTOR ((NW)) |
| MAX1776EUA+ | 制造商:Maxim Integrated Products 功能描述:CONVERTER STEP DOWN 24V 0.6A SMD 制造商:Maxim Integrated Products 功能描述:CONVERTER, STEP DOWN, 24V 0.6A, SMD |
| MAX1776EUA+T | 功能描述:直流/直流开关转换器 24V 600mA 100% Duty Cycle Step-Down RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1776EUA-T | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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