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供应1A线性稳压IC LM2575
供应1A线性稳压IC LM2575
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供应1A线性稳压IC LM2575

型号/规格:

LM2575S-ADJ

品牌/商标:

NSC

PDF资料:

点击下载PDF

产品信息

型号标识 / 参数

LM2575S-ADJ/LM2575SX-ADJ的型号标识和参数如下表所示:
LM2575S-ADJ/LM2575SX-ADJ 型号标识
LM2575 基本型号
S 封装类型,TO-263(1)
X 包装类型,卷带装
ADJ 输出电压可调节版
LM2575S-ADJ/LM2575SX-ADJ 参数特性
输入电压 8V~40V
输出电压 1.23V~37V
输出电流 1000 mA
类型 降压
温度等级 -40℃~125℃
(1)M=SOIC WIDE,N=MDIP,T=TO-220,S=TO-263

封装信息

LM2575S-ADJ的封装为:
类型:TO-263
引脚:5
标准:JEDEC MO-169-AB
体宽:400 mils
长度:390 mils
厚度:179 mils
引脚间距:67 mils

包装规格

LM2575S-ADJ/LM2575SX-ADJ的包装规格为:
包装一:LM2575S-ADJ
类型:Tube(管装)
每管:45 pcs
总共:20 管;900 pcs
包装二:LM2575SX-ADJ
类型:Tape&Reel(卷带装)
每盘:500 pcs
Features

  • 3.3V, 5V, 12V, 15V, and adjustable output versions
  • Adjustable version output voltage range,
     1.23V to 37V (57V for HV version) ±4% max over
     line and load conditions
  • Guaranteed 1A output current
  • Wide input voltage range, 40V up to 60V for HV version
  • Requires only 4 external components
  • 52 kHz fixed frequency internal oscillator
  • TTL shutdown capability, low power standby mode
  • High efficiency
  • Uses readily available standard inductors
  • Thermal shutdown and current limit protection
  • P + Product Enhancement tested

    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 μA (typical) standby current. The output switch includes cycle-by-cycle current limiting, as well as thermal shutdown for full protection under fault conditions.


    Applications

  • Simple high-efficiency step-down (buck) regulator
  • Efficient pre-regulator for linear regulators
  • On-card switching regulators
  • Positive to negative converter (Buck-Boost)