EZ1587I

更新时间： 2024-11-26 03:35:11

品牌	Logo	应用领域
商升特 - SEMTECH		稳压器
页数	文件大小	规格书
6页	156K
描述
3 Amp Positive Voltage Regulator

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数据手册

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EZ1587I 数据手册

EZ1587C & EZ1587I

3 Amp Positive

Voltage Regulator

POWER MANAGEMENT

Description

Features

The EZ1587 series of high performance positive voltage

regulators are designed for use in applications requiring

low dropout performance at up to 3A. Additionally, the

EZ1587 series provides excellent regulation over

variations in line, load and temperature.

Low dropout voltage: 1.3V max. for EZ1587C and

1.4V max. for EZ1587I

Full current rating over line and temperature

Fast transient response

±2% total output regulation over line, load and

temperature

Adjust pin current max 90µA over temperature

Fixed/adjustable output voltage (EZ1587C)

Line regulation typically 0.015%

Load regulation typically 0.05%

Industrial temperature range (EZ1587I)

TO-220 and TO-263 packages. Available in RoHS

compliant package

Outstanding features include low dropout performance

at rated current, fast transient response, internal

current limiting and thermal shutdown protection of the

output device.

A variety of options are available for maximum flexibility:

the EZ1587C is intended for commercial applications and

has both fixed and adjustable voltage options; the

EZ1587I is intended for industrial applications and is

adjustable only.

Applications

Printer and plotter supplies

Instrumentation

Medical equipment

All devices are available in the popular TO-220 and

TO-263 packages.

Microcontroller systems

Telecommunication systems

Motherboards

Typical Application Circuit

Switching supply post regulation

Fixed Voltage Regulator

EZ1587C-3.3

TAB

VIN > 4.75V

VOUT = 3.3V

OUT

10uF Tant.

GND

10uF Tant. Min.

Adjustable Voltage Regulator

EZ1587

OUT

TAB

VIN > 4.75V

VOUT = 3.45V

10uF Tant.

ADJ

133 Ohm, 1%

10uF Tant. Min

232 Ohm, 1%

V_OUT= V_REF• 1+

+ I_ADJ• R2

Notes:

(1) C1 needed if device is far from filter capacitors

(2) C2 minimum value required for stability

Revision: April 26, 2006

www.semtech.com

12 3 4 5 6

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