Datasheet > LM2596HVT-3.3

LM2596HVT-3.3

更新时间： 2024-11-21 17:14:51

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友台半导体 - UMW		/
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DC-DC芯片

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LM2596HVT-3.3 数据手册

UMW

UMW LM2596/LM2596HV

3A Step-Down Voltage Regulator

General Description

Features

The LM2596 /LM2596HV 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 available in fixed output voltages of 3.3V, 5V, 12V, and an

adjustable output version.

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

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

(57V for HV version)

4% max over line and load conditions

n Available in TO-220 and TO-263,TO-220B packages

n Guaranteed 3A output load current

n Input voltage range up to 40V

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

n Uses readily available standard inductors

n Thermal shutdown and current limit protection

Requiring a minimum number of external components, these

regulators are simple to use and include internal frequency

†

compensation , and a fixed-frequency oscillator.

The LM2596 /LM2596HV series operates at a switching

frequency of150 kHz thus allowing smaller sized filter com-

pontents 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.

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)

LM2596

/LM2596HV

5.0

Package Types

TO263-5L

TO220B-5L

TO220-5L

www.umw-ic.com

友台半导体有限公司

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与LM2596HVT-3.3相关器件

型号	品牌	获取价格	描述	数据表
LM2596HVT-5.0	UMW	获取价格	DC-DC芯片
LM2596HVT-ADJ	UMW	获取价格	DC-DC芯片
LM2596M	FCI	获取价格	150K Hz, 2A PWM Step-Down CD/DC Converter Positive to negative convertre
LM2596R	HTC	获取价格	3.0A, 150kHz, Step-Down Switching Regulator
LM2596R-12	ETC	获取价格	3.0A, 150Khz, Step-Down Switching Regulator
LM2596R-15	ETC	获取价格	3.0A, 150Khz, Step-Down Switching Regulator
LM2596R-3.3	ETC	获取价格	3.0A, 150Khz, Step-Down Switching Regulator
LM2596R-5.0	ETC	获取价格	3.0A, 150Khz, Step-Down Switching Regulator
LM2596S/T/L-5/ADJ	ETC	获取价格	3A输出降压稳压IC,输入电压最大可至40V, 耐压达45V,输出电压为5V/可调, 可调
LM2596S-12	FCI-CONNECTOR	获取价格	Switching Regulator/Controller

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