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参数资料
型号： LM2575MX-15/NOPB
厂商： NATIONAL SEMICONDUCTOR CORP
元件分类： 稳压器
英文描述： 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PDSO24
封装： SOIC-24
文件页数： 22/40页
文件大小： 917K
代理商： LM2575MX-15/NOPB
National P/N LM2575 - SIMPLE SWITCHER 1A Step-Down Voltage Regulator
LM2575SX-
ADJ
TO 263
5
MSL
Full
production
N/A
1K+ $0.9800
reel
of
500
[logo]UZ2T
LM2575S
-ADJ P+
LM2575-12
MDC
Die
Full
production
N/A
N/A Samples
tray
of
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LM2575-15
MDC
Die
Full
production
N/A
N/A Samples
tray
of
N/A
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LM2575-3.3
MDC
Die
Full
production
N/A
N/A Samples
tray
of
N/A
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LM2575-5.0
MDC
Die
Full
production
N/A
tray
of
N/A
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LM2575-ADJ
MDC
Die
Full
production
N/A
N/A Samples
tray
of
N/A
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LM2575-12
MWC
Wafer
Full
production
N/A
wafer
jar
of
N/A
-
LM2575-15
MWC
Wafer
Full
production
N/A
wafer
jar
of
N/A
-
LM2575-3.3
MWC
Wafer
Full
production
N/A
wafer
jar
of
N/A
-
LM2575-5.0
MWC
Wafer
Full
production
N/A
wafer
jar
of
N/A
-
LM2575-ADJ
MWC
Wafer
Full
production
N/A
wafer
jar
of
N/A
-
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]
相关PDF资料
PDF描述
LM2575BUT&R 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSSO5
LM2575-5.0BUT&R 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSSO5
LM2575-3.3WUTR 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSSO5
LM2575WUTR 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSSO5
LM2575-12BUT&R 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSSO5
相关代理商/技术参数
参数描述
LM2575MX-3.3/NOPB 功能描述:IC REG BUCK 3.3V 1A 24-SOIC 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
LM2575MX-5.0 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
LM2575MX-5.0 NOPB 制造商:National Semiconductor 功能描述:Conv DC-DC Single Step Down 4V to 40V 24-Pin SOIC W T/R 制造商:National Semiconductor 功能描述:Conv DC-DC Single Step Down 4V to 40V 24-Pin SOIC T/R
LM2575MX-5.0/NOPB 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
LM2575MX-ADJ 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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