Datasheet > EZ1585CT-3.45T

EZ1585CT-3.45T

更新时间： 2024-11-24 08:48:47

品牌	Logo	应用领域
商升特 - SEMTECH		/
页数	文件大小	规格书
6页	157K
描述
Fixed Positive LDO Regulator, 3.45V, 1.3V Dropout, PSFM3, TO-220, 3 PIN

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EZ1585CT-3.45T 数据手册

EZ1585C & EZ1585I

4.6 Amp Positive

Voltage Regulator

POWER MANAGEMENT

Description

Features

The EZ1585 series of high performance positive voltage

regulators are designed for use in applications requiring

low dropout performance at up to 4.6A. Additionally, the

EZ1585 series provides excellent regulation over

variations in line, load and temperature.

u Low dropout voltage: 1.3V max. for EZ1585C and

1.4V max. for EZ1585I

u Full current rating over line and temperature

u Fast transient response

u ±2% total output regulation over line, load and

temperature

u Adjust pin current max 90µA over temperature

u Fixed/adjustable output voltage (EZ1585C)

u Line regulation typically 0.015%

u Load regulation typically 0.05%

Outstanding features include low dropout performance

at rated current, fast transient response, internal

current limiting and thermal shutdown protection of the

output device.

u Industrial temperature range (EZ1585I)

u TO-220 and TO-263 packages

A variety of options are available for maximum flexibility:

the EZ1585C is intended for commercial applications and

has both fixed and adjustable voltage options; the

EZ1585I is intended for industrial applications and is

adjustable only.

Applications

u Printer and plotter supplies

u Instrumentation

u Medical equipment

u Microcontroller systems

u Telecommunication systems

u Motherboards

All devices are available in the popular TO-220 and

TO-263 packages.

u Switching supply post regulation

Typical Application Circuit

Fixed Voltage Regulator

EZ1585C-3.3

TAB

VIN > 4.75V

VOUT = 3.3V

OUT

10uF Tant.

GND

10uF Tant. Min.

Adjustable Voltage Regulator

EZ1585

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 1, January 2001

www.semtech.com

12 3 4 5 6

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