Datasheet > LM2599S-3.3

LM2599S-3.3

更新时间： 2024-11-28 22:25:39

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	814K
描述
SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator, with Features

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LM2599S-3.3 技术参数

是否Rohs认证：	不符合	生命周期：	Transferred
包装说明：	TO-263, 7 PIN	Reach Compliance Code：	not_compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	3.59	模拟集成电路 - 其他类型：	SWITCHING REGULATOR
控制模式：	VOLTAGE-MODE	控制技术：	PULSE WIDTH MODULATION
最大输入电压：	40 V	最小输入电压：	4.5 V
标称输入电压：	12 V	JESD-30 代码：	R-PSSO-G7
JESD-609代码：	e0	长度：	10.16 mm
湿度敏感等级：	3	功能数量：	1
端子数量：	7	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
标称输出电压：	3.3 V	封装主体材料：	PLASTIC/EPOXY
封装代码：	TO-263	封装等效代码：	SMSIP7H,.55,50TB
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
峰值回流温度（摄氏度）：	235	认证状态：	Not Qualified
座面最大高度：	4.8 mm	子类别：	Switching Regulator or Controllers
最大供电电流 (Isup)：	10 mA	表面贴装：	YES
切换器配置：	BUCK	最大切换频率：	173 kHz
技术：	BIPOLAR	温度等级：	AUTOMOTIVE
端子面层：	Tin/Lead (Sn/Pb)	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	SINGLE
处于峰值回流温度下的最长时间：	30	宽度：	8.635 mm
Base Number Matches：	1

LM2599S-3.3 数据手册

April 1998

LM2599

SIMPLE SWITCHER^®Power Converter 150 kHz 3A

Step-Down Voltage Regulator, with Features

standby current. Self protection features include a two stage

current limit for the output switch and an over temperature

shutdown for complete protection under fault conditions.

General Description

The LM2599 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.

Features

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

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

max over line and load conditions

This series of switching regulators is similar to the LM2596

series, with additional supervisory and performance features

added.

n Guaranteed 3A output current

n Available in 7-pin TO-220 and TO-263 (surface mount)

Package

n Input voltage range up to 40V

n 150 kHz fixed frequency internal oscillator

n Shutdown/Soft-start

Requiring a minimum number of external components, these

regulators are simple to use and include internal frequency

†

compensation , improved line and load specifications,

fixed-frequency oscillator, Shutdown/Soft-start, error flag de-

lay and error flag output.

n Out of regulation error flag

The LM2599 series operates at a switching frequency of 150

kHz thus allowing smaller sized filter components than what

would be needed with lower frequency switching regulators.

Available in a standard 7-lead TO-220 package with several

different lead bend options, and a 7-lead TO-263 Surface

mount package.

n Error output delay

n Low power standby mode, I_Qtypically 80 µA

n High Efficiency

n Uses readily available standard inductors

n Thermal shutdown and current limit protection

A standard series of inductors (both through hole and sur-

face mount types) are available from several different manu-

facturers optimized for use with the LM2599 series. This fea-

ture greatly simplifies the design of switch-mode power

supplies.

Applications

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

n Efficient pre-regulator for linear regulators

n On-card switching regulators

n Positive to Negative converter

Other features include a guaranteed 4% tolerance on out-

put voltage under all conditions of input voltage and output

†

Note: Patent Number 5,382,918.

load conditions, and 15 on the oscillator frequency. Ex-

ternal shutdown is included, featuring typically 80 µA

Typical Application (Fixed Output Voltage Versions)

DS012582-1

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

DS012582

www.national.com

12 3 4 5 6 7...31

中文翻译

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LM2599S-3.3 替代型号

型号	品牌	替代类型	描述	数据表
LM2599S-3.3	TI	功能相似	LM2599 SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator
LM2599S-3.3/NOPB	TI	功能相似	LM2599 SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator

与LM2599S-3.3相关器件

型号	品牌	获取价格	描述	数据表
LM2599S-3.3/NOPB	TI	获取价格	LM2599 SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator
LM2599S-5.0	TI	获取价格	LM2599 SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator
LM2599S-5.0	NSC	获取价格	SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator, with Features
LM2599S-5.0/NOPB	TI	获取价格	LM2599 SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator
LM2599S-ADJ	TI	获取价格	LM2599 SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator
LM2599S-ADJ	NSC	获取价格	SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator, with Features
LM2599S-ADJ/NOPB	TI	获取价格	LM2599 SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator
LM2599SX-12/NOPB	TI	获取价格	LM2599 SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator
LM2599SX-3.3/NOPB	TI	获取价格	LM2599 SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator
LM2599SX-5.0/NOPB	TI	获取价格	LM2599 SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator

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