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參數(shù)資料
| 型號： | LM2575-15MWC |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, UUC |
| 封裝： | WAFER |
| 文件頁數(shù)： | 22/40頁 |
| 文件大?。?/td> | 917K |
| 代理商： | LM2575-15MWC |
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National P/N LM2575 - SIMPLE SWITCHER 1A Step-Down Voltage Regulator
LM2575SX-
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General Description
The LM2575 series of regulators are monolithic integrated circuits that provide all the active functions for a
step-down (buck) switching regulator, capable of driving a 1A load with excellent line and load regulation.
These devices are available in fixed output voltages of 3.3V, 5V, 12V, 15V, and an adjustable output version.
Requiring a minimum number of external components, these regulators are simple to use and include
internal frequency compensation and a fixed-frequency oscillator.
The LM2575 series offers a high-efficiency replacement for popular three-terminal linear regulators. It
substantially reduces the size of the heat sink, and in many cases no heat sink is required.
A standard series of inductors optimized for use with the LM2575 are available from several different
manufacturers. This feature greatly simplifies the design of switch-mode power supplies.
Other features include a guaranteed ±4% tolerance on output voltage within specified input voltages and
output load conditions, and ±10% on the oscillator frequency. External shutdown is included, featuring 50 A
(typical) standby current. The output switch includes cycle-by-cycle current limiting, as well as thermal
file:///H|/imaging/BITTING/cpl/20020808_1/08062002_10/NATL/08062002_HTML/LM2575.html (4 of 6) [Aug-09-2002 12:18:39 PM]
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM2575-5.0MDC | 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, UUC |
| LM2575-ADJMWC | 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, UUC |
| LM2575HVMX-12/NOPB | 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PDSO24 |
| LM2575-15MDC | 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, UUC |
| LM2575MX-12/NOPB | 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PDSO24 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM2575-15T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Easy Switcher 1.0 A Step-Down Voltage Regulator(389.50 k) |
| LM2575-15TA5R | 制造商:FCI 制造商全稱:First Components International 功能描述:1.0A Step - Down Voltage Switching Regulators 1A output current |
| LM2575-15TA5T | 制造商:FCI 制造商全稱:First Components International 功能描述:1.0A Step - Down Voltage Switching Regulators 1A output current |
| LM2575-15TB5BT | 制造商:FCI 制造商全稱:First Components International 功能描述:1.0A Step - Down Voltage Switching Regulators 1A output current |
| LM2575-15TB5T | 制造商:FCI 制造商全稱:First Components International 功能描述:1.0A Step - Down Voltage Switching Regulators 1A output current |
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