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LM2576S-3.3SLASHNOPB中文资料
LM2576S-3.3SLASHNOPB数据手册规格书PDF详情
1 Features
• Newer products available:
– LMR51430 4.5 to 36-V, 3-A, 500-kHz and 1.1-
MHz synchronous converter
– LM76003 3.5 to 60-V, 3.5-A, 300-kHz to 2.2-
MHz synchronous converter
• For faster time to market:
– TLVM13630 3 to 36-V, 3-A, 200-kHz to 2.2-MHz
power module
• 3.3-V, 5-V, 12-V, 15-V, and adjustable output
versions
• Adjustable version output voltage range,1.23 V to
37 V (57 V for HV version) ±4% maximum over line
and load conditions
• Specified 3-A output current
• Wide input voltage range: 40 V Up to 60 V for HV
version
• Requires only four external components
• 52-kHz fixed-frequency internal oscillator
• TTL-shutdown capability, low-power standby mode
• High efficiency
• Uses readily available standard inductors
• Create a custom design using the LMR33630 or
LM76003 with the WEBENCH® Power Designer
2 Applications
• Motor drives
• Merchant network and server PSU
• Appliances
• Test and measurement equipment
3 Description
The LM2576 series of regulators are monolithic
integrated circuits that provide all the active functions
for a step-down (buck) switching regulator, capable
of driving 3-A load with excellent line and load
regulation. These devices are available in fixed output
voltages of 3.3 V, 5 V, 12 V, 15 V, and an adjustable
output version.
Requiring a minimum number of external
components, these regulators are simple to use
and include fault protection and a fixed-frequency
oscillator.
The LM2576 series offers a high-efficiency
replacement for popular three-terminal linear
regulators. It substantially reduces the size of the heat
sink, and in some cases no heat sink is required.
A standard series of inductors optimized for use
with the LM2576 are available from several different
manufacturers. This feature greatly simplifies the
design of switch-mode power supplies.
Other features include a ±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.
The LM76003 requires very few external components
and has a pinout designed for simple, optimum PCB
layout for EMI and thermal performance. See the
device comparison table to compare specs.
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
TI |
23+ |
N/A |
7000 |
||||
TI |
23+ |
DDPAK/TO2635 |
9000 |
原装正品,支持实单 |
|||
TI(德州仪器) |
24+ |
N/A |
20000 |
现货 |
|||
TI(德州仪器) |
24+ |
N/A |
6000 |
原装,正品 |
|||
TI(德州仪器) |
25+ |
N/A |
8800 |
公司只做原装,详情请咨询 |
|||
TI(德州仪器) |
25+ |
N/A |
6000 |
原装,请咨询 |
|||
TI(德州仪器) |
23+ |
NA |
20094 |
正纳10年以上分销经验原装进口正品做服务做口碑有支持 |
|||
TI(德州仪器) |
24+/25+ |
10000 |
原装正品现货库存价优 |
||||
TI(德州仪器) |
2021+ |
8000 |
原装现货,欢迎询价 |
||||
TI(德州仪器) |
22+ |
NA |
6000 |
原厂原装现货 |
LM2576S-3.3SLASHNOPB 资料下载更多...
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Texas Instruments 美国德州仪器公司
德州仪器(Texas Instruments),简称TI,是全球领先的半导体公司,为现实世界的信号处理提供创新的数字信号处理(DSP)及模拟器件技术。除半导体业务外,还提供包括传感与控制、教育产品和数字光源处理解决方案。TI总部位于美国德克萨斯州的达拉斯,并在25多个国家设有制造、设计或销售机构。 德州仪器(TI)是全球领先的数字信号处理与模拟技术半导体供应商,亦是推动因特网时代不断发展的半导体引擎。 ----作为实时技术的领导者,TI正在快速发展,在无线与宽带接入等大型市场及数码相机和数字音频等新兴市场方面,TI凭借性能卓越的半导体解决方案不断推动着因特网时代前进的步伐! ----TI预想未