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参数资料
| 型号： | LM2671-5.0MDC |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 1.25 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, UUC |
| 封装： | DIE |
| 文件页数： | 22/30页 |
| 文件大小： | 612K |
| 代理商： | LM2671-5.0MDC |
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National P/N LM2671 - SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator with Features
typically 50 A stand-by current. The output switch includes current limiting, as well as thermal shutdown for
full protection under fault conditions.
To simplify the LM2671 buck regulator design procedure, there exists computer design software, LM267X
Made Simple (version 6.0).
Features
q
Efficiency up to 96%
q
Available in SO-8, 8-pin DIP and LLP packages
q
Computer Design Software LM267X Made Simple (version 6.0)
q
Simple and easy to design with
q
Requires only 5 external components
q
Uses readily available standard inductors
q
3.3V, 5.0V, 12V, and adjustable output versions
q
Adjustable version output voltage range: 1.21V to 37V
q
±1.5% max output voltage tolerance over line and load conditions
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Guaranteed 500mA output load current
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0.25
DMOS Output Switch
q
Wide input voltage range: 8V to 40V
q
260 kHz fixed frequency internal oscillator
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TTL shutdown capability, low power standby mode
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Soft-start and frequency synchronization
q
Thermal shutdown and current limit protection
Applications
q
Simple High Efficiency (>90%) Step-Down (Buck) Regulator
q
Efficient Pre-Regulator for Linear Regulators
Design Tools
Title
Size in Kbytes Date
View Online Download
Receive via
Email
SimpleSwitcher DC-DC
Converters Design Software
10 Kbytes
12-Jun-
2002
If you have trouble printing or viewing PDF file(s), see Printing Problems.
Application Notes
Title
Size in Kbytes Date
View Online Download Receive via Email
AN-1157: Application Note 1157
Positive to Negative Buck-Boost
Converter Using LM267X SIMPLE
SWITCHER Regulators
152 Kbytes
8-Nov-00 View Online
file:///H|/imaging/BITTING/cpl/20020808_1/08062002_10/NATL/08062002_HTML/LM2671.html (4 of 5) [Aug-09-2002 2:43:42 PM]
相关PDF资料 |
PDF描述 |
|---|---|
| LM2671-ADJMWC | 1.25 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, UUC |
| LM2672-3.3MDC | 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, UUC |
| LM2672-3.3MWC | 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, UUC |
| LM2672-ADJMWC | 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, UUC |
| LM2672-12MDC | 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, UUC |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LM2671LD-12 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:SIMPLE SWITCHER㈢ Power Converter High Efficiency 500mA Step-Down Voltage Regulator with Features |
| LM2671LD-12/NOPB | 功能描述:IC REG BUCK 12V 0.5A 16LLP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:SIMPLE SWITCHER® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:3.3V 输入电压:4.5 V ~ 24 V PWM 型:- 频率 - 开关:- 电流 - 输出:125mA 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:SOT-23-6 包装:Digi-Reel® 供应商设备封装:SOT-6 其它名称:MAX1836EUT33#TG16DKR |
| LM2671LD-3.3 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator with Features |
| LM2671LD-3.3/NOPB | 功能描述:IC REG BUCK 3.3V 0.5A 16LLP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:SIMPLE SWITCHER® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:3.3V 输入电压:4.5 V ~ 24 V PWM 型:- 频率 - 开关:- 电流 - 输出:125mA 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:SOT-23-6 包装:Digi-Reel® 供应商设备封装:SOT-6 其它名称:MAX1836EUT33#TG16DKR |
| LM2671LD-5.0 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator with Features |
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