首页>LM2575HVT-5.0>规格书详情
LM2575HVT-5.0中文资料PDF规格书
LM2575HVT-5.0规格书详情
The LM2575 /LM2575HV series operates at a switching
frequency of 52 kHz thus allowing smaller sized filter compontents
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-lesd TO-262 surface mount package.
The LM2575 /LM2575HV series of regulators are monolithic
integrated circuits that provide all the active functions for a
step-down (buck) switching regulator, capable of driving a 2A
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.
General Description
Requiring a minimum number of external components, these
regulators are simple to use and include internal frequency
compensation†, and a fixed-frequency oscillator.
A standard series of inductors are available from
several different manufacturers optimized for use with the
LM2575series. 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 80 μA
standby cur-rent. 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.
Available in TO-220 and TO-263,TO-220B packages
(57V for HV version)
Features
n 3.3V, 5V, 12V, and adjustable output versions
n Adjustable version output voltage range, 1.2V to 37V
±4 max over line and load conditions
n
n Guaranteed 2A output load current
n Input voltage range up to 40V
n Requires only 4 external components
n Excellent line and load regulation specifications
n 52 kHz fixed frequency internal oscillator
n TTL shutdown capability
n Low power standby mode, IQ typically 80 μA
n High efficiency
n Uses readily available standard inductors
n Thermal shutdown and current limit protection
Applications
n Simple high-efficiency step-down (buck) regulator
n On-card switching regulators
n Positive to negative converter
Note: †Patent Number 5,382,918.
产品属性
- 产品编号:
LM2575HVT-5.0
- 制造商:
Texas Instruments
- 类别:
集成电路(IC) > 稳压器 - DC-DC 开关稳压器
- 系列:
SIMPLE SWITCHER®
- 包装:
管件
- 功能:
降压
- 输出配置:
正
- 拓扑:
降压
- 输出类型:
固定
- 输出数:
1
- 电压 - 输入(最小值):
4V
- 电压 - 输入(最大值):
60V
- 电压 - 输出(最小值/固定):
5V
- 电流 - 输出:
1A
- 频率 - 开关:
52kHz
- 同步整流器:
无
- 工作温度:
-40°C ~ 125°C(TJ)
- 安装类型:
通孔
- 封装/外壳:
TO-220-5
- 供应商器件封装:
TO-220-5
- 描述:
IC REG BUCK 5V 1A TO220-5
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
TI |
全新 |
TO220 |
8000 |
原装现货 |
询价 | ||
Texas |
21+ |
NA |
3000 |
原装热卖可订货 |
询价 | ||
NS |
23+ |
TO-220-5L |
20000 |
原厂原装正品现货 |
询价 | ||
NS/国半 |
21+ |
TO220-5 |
9800 |
只做原装正品假一赔十!正规渠道订货! |
询价 | ||
TI(德州仪器) |
23+ |
TO2205 |
6000 |
询价 | |||
XINBOLE/芯伯乐 |
22+21+ |
TO-220 |
88591 |
16年电子元件现货供应商 终端BOM表可配单提供样品 |
询价 | ||
NS |
22+ |
NA |
2000 |
绝对全新原装现货 欢迎来电查询 |
询价 | ||
TI |
23+ |
TO-220 |
7750 |
全新原装优势 |
询价 | ||
NS |
2018+ |
SMD |
20000 |
一级代理原装现货假一罚十 |
询价 | ||
NS/国半 |
10+ |
TO220 |
100 |
进口原装现货询价 |
询价 |