LM2593HVS-ADJ National Semiconductor, LM2593HVS-ADJ Datasheet

LM2593HVS-ADJ

Manufacturer Part Number

LM2593HVS-ADJ

Description

DC/DC Converter IC

Manufacturer

National Semiconductor

Datasheet

1.LM2593HVSX-ADJ.pdf (21 pages)

Specifications of LM2593HVS-ADJ

Input Voltage

60V

Output Current

Output Voltage

57V

No. Of Pins

Termination Type

SMD

Mounting Type

Through Hole

Voltage Regulator Type

Buck Switching

Output Current Max

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LM2593HVS-ADJ

Manufacturer:

Quantity:

500

Company:

Meier Automation Equipment Co., Limited

Part Number:

LM2593HVS-ADJ

Manufacturer:

Quantity:

20 000

Company:

Amily Shenzhen XNWY Technology Co., Ltd

Part Number:

LM2593HVS-ADJ/NOPB

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LM2593HV

SIMPLE SWITCHER

Step-Down Voltage Regulator, with Features

General Description

The LM2593HV series of regulators are monolithic inte-

grated circuits that provide all the active functions for a

step-down (buck) switching regulator, capable of driving a

2A load with excellent line and load regulation. These de-

vices are available in fixed output voltages of 3.3V, 5V, and

an adjustable output version.

This series of switching regulators is similar to the

LM2592HV with additional supervisory and performance fea-

tures.

Requiring a minimum number of external components, these

regulators are simple to use and include internal frequency

compensation

fixed-frequency oscillator, Shutdown/Soft-start, output error

flag and flag delay.

The LM2593HV 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.

Other features include a guaranteed

put voltage under all conditions of input voltage and output

load conditions, and

ternal shutdown is included, featuring typically 90 µA

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.

Typical Application

SIMPLE SWITCHER

†

, improved line and load specifications,

and Switchers Made Simple

15% on the oscillator frequency. Ex-

(Fixed Output Voltage Versions)

are registered trademarks of National Semiconductor Corporation.

4% tolerance on out-

DS101333

Power Converter 150 kHz 2A

Features

n 3.3V, 5V, and adjustable output versions

n Adjustable version output voltage range, 1.2V to 57V

n Guaranteed 2A output load current

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

n Input voltage range up to 60V

n 150 kHz fixed frequency internal oscillator

n Shutdown/Soft-start

n Out of regulation error flag

n Error flag delay

n Low power standby mode, I

n High Efficiency

n Thermal shutdown and current limit protection

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

Note:

Package

4% max over line and load conditions

†

Patent Number 5,382,918.

typically 90 µA

10133301

December 2001

www.national.com

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