Datasheet > 电源电路 > 开关式稳压器或控制器> LM2596S-5.0

LM2596S-5.0

更新时间： 2024-01-15 17:10:12

品牌	Logo	应用领域
美国国家半导体 - NSC		转换器稳压器
页数	文件大小	规格书
31页	736K
描述
SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator

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LM2596S-5.0 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	D2PAK
包装说明：	DDPAK-5	针数：	4
Reach Compliance Code：	not_compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	Factory Lead Time：	1 week
风险等级：	0.64	Is Samacsys：	N
模拟集成电路 - 其他类型：	SWITCHING REGULATOR	控制模式：	VOLTAGE-MODE
最大输入电压：	40 V	最小输入电压：	7 V
标称输入电压：	12 V	JESD-30 代码：	R-PSSO-G5
JESD-609代码：	e3	长度：	10.16 mm
湿度敏感等级：	3	功能数量：	1
端子数量：	5	最高工作温度：	125 °C
最低工作温度：	-40 °C	最大输出电流：	7.5 A
最大输出电压：	37 V	最小输出电压：	3.3 V
标称输出电压：	5 V	封装主体材料：	PLASTIC/EPOXY
封装代码：	TO-263	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	峰值回流温度（摄氏度）：	245
认证状态：	Not Qualified	座面最大高度：	4.8 mm
表面贴装：	YES	切换器配置：	BUCK
最大切换频率：	173 kHz	温度等级：	AUTOMOTIVE
端子面层：	Matte Tin (Sn)	端子形式：	GULL WING
端子节距：	1.7 mm	端子位置：	SINGLE
处于峰值回流温度下的最长时间：	30	宽度：	8.64 mm
Base Number Matches：	1

LM2596S-5.0 数据手册

May 2002

LM2596

SIMPLE SWITCHER^®Power Converter 150 kHz

3A Step-Down Voltage Regulator

General Description

Features

n 3.3V, 5V, 12V, and adjustable output versions

The LM2596 series of regulators are monolithic integrated

circuits that provide all the active functions for a step-down

(buck) switching regulator, capable of driving a 3A load with

excellent line and load regulation. These devices are avail-

able in fixed output voltages of 3.3V, 5V, 12V, and an adjust-

able output version.

n Adjustable version output voltage range, 1.2V to 37V

4% max over line and load conditions

n Available in TO-220 and TO-263 packages

n Guaranteed 3A output load current

n Input voltage range up to 40V

Requiring a minimum number of external components, these

regulators are simple to use and include internal frequency

n Requires only 4 external components

n Excellent line and load regulation specifications

n 150 kHz fixed frequency internal oscillator

n TTL shutdown capability

n Low power standby mode, I_Qtypically 80 µA

n High efficiency

†

compensation , and a fixed-frequency oscillator.

The LM2596 series operates at a switching frequency of

150 kHz thus allowing smaller sized filter components than

what would be needed with lower frequency switching regu-

lators. Available in a standard 5-lead TO-220 package with

several different lead bend options, and a 5-lead TO-263

surface mount package.

n Uses readily available standard inductors

n Thermal shutdown and current limit protection

A standard series of inductors are available from several

different manufacturers optimized for use with the LM2596

series. This feature greatly simplifies the design of

switch-mode power supplies.

Applications

n Simple high-efficiency step-down (buck) regulator

n On-card switching regulators

n Positive to negative converter

Other features include a guaranteed 4% tolerance on out-

put voltage under specified input voltage and output load

†

Note: Patent Number 5,382,918.

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.

Typical Application (Fixed Output Voltage

Versions)

01258301

SIMPLE SWITCHER^®and Switchers Made Simple^®are registered trademarks of National Semiconductor Corporation.

DS012583

www.national.com

12 3 4 5 6 7...31

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与LM2596S-5.0相关器件

型号	品牌	描述	获取价格	数据表
LM2596S-5.0/NOPB	TI	LM2596 SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator	获取价格
LM2596S-ADJ	TI	SIMPLE SWITCHER Power Converter	获取价格
LM2596S-ADJ	NSC	SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator	获取价格
LM2596S-ADJ/NOPB	TI	LM2596 SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator	获取价格
LM2596SX-12	TI	LM2596 SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator	获取价格
LM2596SX-12/NOPB	TI	LM2596 SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator	获取价格

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