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參數(shù)資料
| 型號： | 5962-9687901QEA |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2.6 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, CDIP16 |
| 封裝： | CERAMIC, DIP-16 |
| 文件頁數(shù)： | 26/33頁 |
| 文件大小： | 1016K |
| 代理商： | 5962-9687901QEA |
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National P/N LM2595 - SIMPLE SWITCHER Power Converter 150 KHz 1A Step-Down Voltage Regulator
LM2595SX-ADJ TO 263
5
Full
production
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1K+
$1.6200
reel
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500
[logo]UZ2T
LM2595S
-ADJ P+
LM2595-3.3
MDC
Full
production
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N/A Samples
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LM2595-5.0
MDC
Full
production
N/A
N/A Samples
tray
of
N/A
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LM2595-3.3
MWC
Full
production
N/A
wafer
jar
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LM2595-5.0
MWC
Full
production
N/A
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General Description
The LM2595 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, 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 LM2595 series operates at a switching frequency of 150 kHz thus allowing smaller sized filter
components than what would be needed with lower frequency switching regulators. Available in a standard 5-
lead TO-220 package with several different lead bend options, and a 5-lead TO-263 surface mount package.
Typically, for output voltages less than 12V, and ambient temperatures less than 50°C, no heat sink is
required.
A standard series of inductors are available from several different manufacturers optimized for use with the
LM2595 series. This feature greatly simplifies the design of switch-mode power supplies.
Other features include a guaranteed ±4% tolerance on output voltage under specified input voltage and
output load conditions, and ±15% on the oscillator frequency. External shutdown is included, featuring
typically 85 A stand-by current. Self protection features include a two stage frequency reducing current
limit for the output switch and an over temperature shutdown for complete protection under fault conditions.
Features
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3.3V, 5V, 12V, and adjustable output versions
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Adjustable version output voltage range, 1.2V to 37V ±4% max over line and load conditions
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Available in TO-220 and TO-263 (surface mount) packages
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Guaranteed 1A output load current
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Input voltage range up to 40V
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Requires only 4 external components
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Excellent line and load regulation specifications
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150 kHz fixed frequency internal oscillator
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TTL shutdown capability
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Low power standby mode, IQ typically 85 A
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High efficiency
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Uses readily available standard inductors
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Thermal shutdown and current limit protection
file:///H|/imaging/BITTING/cpl/20020808_1/08062002_10/NATL/08062002_HTML/LM2595.html (3 of 4) [Aug-09-2002 2:28:16 PM]
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 5962-9650301QEA | 2.6 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, CDIP16 |
| 5962-9650401QEA | 2.6 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, CDIP16 |
| LM2595J-3.3-QML | 2.6 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, CDIP16 |
| LM2595-5.0MDC | 2.6 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC |
| LM2595-5.0MWC | 2.6 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC |
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