Datasheet > TO-263

TO-263

更新时间： 2024-02-28 15:43:26

品牌	Logo	应用领域
商升特 - SEMTECH		稳压器
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6页	168K
描述
3 Amp Positive Voltage Regulator

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TO-263 数据手册

EZ1085

3 Amp Positive Voltage Regulator

POWER MANAGEMENT

Description

Features

The EZ1085 series of high performance positive voltage

regulators are designed for use in applications requiring

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

EZ1085 series provides excellent regulation over

variations in line, load and temperature.

Low dropout voltage: 1.3V max. for EZ1085C,

1.4V max. for EZ1085I

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 (EZ1085C)

Line regulation typically 0.015%

Load regulation typically 0.05%

Industrial temperature range (EZ1085I)

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 EZ1085C has both fixed and adjustable voltage

options and is designed for use in commercial applica-

tions and the EZ1085I is adjustable only for industrial

applications.

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

Switching supply post regulation

Typical Application Circuit

Fixed Voltage Regulator

EZ1085C-3.3

TAB

VIN > 4.75V

VOUT = 3.3V

OUT

10uF Tant.

GND

10uF Tant. Min.

Adjustable Voltage Regulator

EZ1085

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: January 25, 2006

www.semtech.com

12 3 4 5 6

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