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參數(shù)資料
| 型號： | LM2671-ADJMWC |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.25 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, UUC |
| 封裝： | WAFER |
| 文件頁數(shù)： | 21/30頁 |
| 文件大?。?/td> | 612K |
| 代理商： | LM2671-ADJMWC |
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National P/N LM2671 - SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator with Features
LM2671MX-
ADJ
8
Full production
N/A
1K+ $1.6800
reel
of
2500
[logo]2T
2671
MADJ
LM2671N-12
8
Full production
N/A
1K+ $1.6800
rail
of
40
[logo]UZ2T
LM2671
N-12
LM2671N-3.3
8
Full production
N/A
1K+ $1.6800
rail
of
40
[logo]UZ2T
LM2671
N-3.3
LM2671N-5.0
8
Full production
N/A
1K+ $1.6800
rail
of
40
[logo]UZ2T
LM2671
N-5.0
LM2671N-
ADJ
8
Full production
N/A
1K+ $1.6800
rail
of
40
[logo]UZ2T
LM2671
N-ADJ
LM2671-5.0
MDC
Full production
N/A
N/A Samples
gel
pak
of
N/A
-
LM2671-ADJ
MDC
Full
production
N/A
N/A Samples
gel
pak
of
N/A
-
LM2671-5.0
MWC
Full production
N/A
wafer
jar
of
N/A
-
LM2671-ADJ
MWC
Full
production
N/A
wafer
jar
of
N/A
-
General Description
The LM2671 series of regulators are monolithic integrated circuits built with a LMDMOS process. These
regulators provide all the active functions for a step-down (buck) switching regulator, capable of driving a
500mA load current with excellent line and load regulation. These devices are available in fixed output
voltages of 3.3V, 5.0V, 12V, and an adjustable output version.
Requiring a minimum number of external components, these regulators are simple to use and include
patented internal frequency compensation (Patent Nos. 5,382,918 and 5,514,947), fixed frequency
oscillator, external shutdown, soft-start, and frequency synchronization.
The LM2671 series operates at a switching frequency of 260 kHz, thus allowing smaller sized filter
components than what would be needed with lower frequency switching regulators. Because of its very high
efficiency (>90%), the copper traces on the printed circuit board are the only heat sinking needed.
A family of standard inductors for use with the LM2671 are available from several different manufacturers.
This feature greatly simplifies the design of switch-mode power supplies using these advanced ICs. Also
included in the datasheet are selector guides for diodes and capacitors designed to work in switch-mode
power supplies.
Other features include a guaranteed ±1.5% tolerance on output voltage within specified input voltages and
output load conditions, and ±10% on the oscillator frequency. External shutdown is included, featuring
file:///H|/imaging/BITTING/cpl/20020808_1/08062002_10/NATL/08062002_HTML/LM2671.html (3 of 5) [Aug-09-2002 2:43:42 PM]
相關PDF資料 |
PDF描述 |
|---|---|
| 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 |
| LM2672M-3.3X | 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, PDSO8 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LM2671LD-12 | 制造商:NSC 制造商全稱: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 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:SIMPLE SWITCHER® 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:3.3V 輸入電壓:4.5 V ~ 24 V PWM 型:- 頻率 - 開關:- 電流 - 輸出:125mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 包裝:Digi-Reel® 供應商設備封裝:SOT-6 其它名稱:MAX1836EUT33#TG16DKR |
| LM2671LD-3.3 | 制造商:NSC 制造商全稱: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 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:SIMPLE SWITCHER® 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:3.3V 輸入電壓:4.5 V ~ 24 V PWM 型:- 頻率 - 開關:- 電流 - 輸出:125mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 包裝:Digi-Reel® 供應商設備封裝:SOT-6 其它名稱:MAX1836EUT33#TG16DKR |
| LM2671LD-5.0 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator with Features |
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