Datasheet > LM2596-12E5

LM2596-12E5

更新时间： 2024-11-17 05:42:03

品牌	Logo	应用领域
全宇昕 - CYSTEKEC		转换器
页数	文件大小	规格书
12页	775K
描述
150kHz, 3A PWM Buck DC/DC Converter

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LM2596-12E5 数据手册

Spec. No. : C548F5

Issued Date : 2007.12.11

Revised Date :

CYStech Electronics Corp.

Page No. : 1/12

150kHz, 3A PWM Buck DC/DC Converter

LM2596-XXE5/F5

Description

The LM2596-XXE5/F5 series of regulators are monolithic ICs that provide all active functions for a step-down

(buck) switching regulator, capable of driving 3A load with excellent line and load regulation. These devices are

available in fixed output voltage of 3.3V, 5V, 12V and an adjustable output version. 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-XXE5/F5 series operates at a switching frequency of 150kHz, thus allowing smaller sized filter

components than what would be needed with lower frequency switching regulators. Available in standard 5-lead

TO-220 and TO-263 packages with several different lead bend options. A standard series of inductors are available

from several different manufacturers optimized for use with the LM2596-XXE5/F5 series. 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 80μA standby current. 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.

Features

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

● Adjustable version output voltage range, 1.3V to 37V±4% max over line and load conditions

● 150kHz±15% fixed switching frequency

● TTL shutdown capability

● Operating voltage can be up to 40V

● Output load current:3A

● TO220-5L and TO263-5L packages

● Low power standby mode.

● Thermal shutdown and current limit protection.

● High efficiency

● Built-in switching transistor on chip

● Requires only 4 external components

● Use readily available standard inductors

Applications

● Simple high-efficiency step-down (buck) regulator.

● Positive to negative converter (Buck-Boost).

● On-card switching regulators.

LM2596-XXE5/F5

CYStek Product Specification

12 3 4 5 6 7...12

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与LM2596-12E5相关器件

型号	品牌	获取价格	描述	数据表
LM2596-12F5	CYSTEKEC	获取价格	150kHz, 3A PWM Buck DC/DC Converter
LM2596-12MWC	NSC	获取价格	IC 7.5 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC, WAFER, Switching Regulator
LM2596-3.3MDC	NSC	获取价格	7.5A SWITCHING REGULATOR, 173kHz SWITCHING FREQ-MAX, UUC, DIE
LM2596-3.3MWC	NSC	获取价格	IC 7.5 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC, WAFER, Switching Regulator
LM2596-33E5	CYSTEKEC	获取价格	150kHz, 3A PWM Buck DC/DC Converter
LM2596-33F5	CYSTEKEC	获取价格	150kHz, 3A PWM Buck DC/DC Converter
LM2596-5.0MDC	NSC	获取价格	IC 7.5 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC, DIE, Switching Regulator or
LM2596-50E5	CYSTEKEC	获取价格	150kHz, 3A PWM Buck DC/DC Converter
LM2596-50F5	CYSTEKEC	获取价格	150kHz, 3A PWM Buck DC/DC Converter
LM2596-ADJ	TI	获取价格	SIMPLE SWITCHER Power Converter

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