Datasheet > LM2588T-5

LM2588T-5

更新时间： 2024-09-15 12:19:23

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德州仪器 - TI		稳压器
页数	文件大小	规格书
38页	2223K
描述
LM2588 SIMPLE SWITCHER 5A Flyback Regulator with Shutdown

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LM2588T-5 数据手册

LM2588

www.ti.com

SNVS117D –APRIL 1998–REVISED APRIL 2013

LM2588 SIMPLE SWITCHER 5A Flyback Regulator with Shutdown

Check for Samples: LM2588

FEATURES

DESCRIPTION

The LM2588 series of regulators are monolithic

2345

•

Requires Few External Components

integrated circuits specifically designed for flyback,

step-up (boost), and forward converter applications.

The device is available in 4 different output voltage

versions: 3.3V, 5.0V, 12V, and adjustable.

•

Family of Standard Inductors and

Transformers

•

NPN Output Switches 5.0A, Can Stand Off 65V

Wide Input Voltage Range: 4V to 40V

Requiring

minimum number of external

components, these regulators are cost effective, and

simple to use. Included in the datasheet are typical

circuits of boost and flyback regulators. Also listed

are selector guides for diodes and capacitors and a

family of standard inductors and flyback transformers

designed to work with these switching regulators.

Adjustable Switching Frequency: 100 kHz to

200 kHz

•

External Shutdown Capability

Draws Less Than 60 μA When Shut Down

Frequency Synchronization

Current-mode Operation for Improved

Transient Response, Line Regulation, and

Current Limit

The power switch is a 5.0A NPN device that can

stand-off 65V. Protecting the power switch are current

and thermal limiting circuits, and an undervoltage

lockout circuit. This IC contains an adjustable

frequency oscillator that can be programmed up to

200 kHz. The oscillator can also be synchronized with

other devices, so that multiple devices can operate at

the same switching frequency.

•

Internal Soft-start Function Reduces In-rush

Current During Start-up

Output Transistor Protected by Current Limit,

Under Voltage Lockout, and Thermal

Shutdown

Other features include soft start mode to reduce in-

rush current during start up, and current mode control

for improved rejection of input voltage and output

load transients and cycle-by-cycle current limiting.

The device also has a shutdown pin, so that it can be

turned off externally. An output voltage tolerance of

±4%, within specified input voltages and output load

conditions, is ensured for the power supply system.

•

System Output Voltage Tolerance of ±4% Max

Over Line and Load Conditions

TYPICAL APPLICATIONS

•

Flyback Regulator

Forward Converter

Multiple-output Regulator

Simple Boost Regulator

Connection Diagrams

7-Pin

Top View

Bent, 7-Pin

Side View

Figure 1. LM2588T-12 or LM2588T-ADJ

See Package Number NDZ0007B

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

Switchers Made Simple is a trademark of Texas Instruments.

SIMPLE SWITCHER is a registered trademark of Texas Instruments.

Switchers Made Simple is a registered trademark of dcl_owner.

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...38

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与LM2588T-5相关器件

型号	品牌	获取价格	描述	数据表
LM2588T-5.0	TI	获取价格	LM2588 SIMPLE SWITCHER 5A Flyback Regulator with Shutdown
LM2588T-5.0	NSC	获取价格	SIMPLE SWITCHER 5A Flyback Regulator with
LM2588T-5.0/NOPB	TI	获取价格	LM2588 SIMPLE SWITCHER 5A Flyback Regulator with Shutdown
LM2588T-ADJ	NSC	获取价格	SIMPLE SWITCHER 5A Flyback Regulator with
LM2588T-ADJ	TI	获取价格	LM2588 SIMPLE SWITCHER 5A Flyback Regulator with Shutdown
LM2588T-ADJ/NOPB	TI	获取价格	LM2588 SIMPLE SWITCHER 5A Flyback Regulator with Shutdown
LM258A	TI	获取价格	DUAL OPERATIONAL AMPLIFIERS
LM258A	STMICROELECTRONICS	获取价格	低功耗双运算放大器
LM258AD	TI	获取价格	DUAL OPERATIONAL AMPLIFIERS
LM258AD	STMICROELECTRONICS	获取价格	Low Power Dual Operational Amplifiers

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