Datasheet > EZ1117CST-3.3.TR

EZ1117CST-3.3.TR

更新时间： 2024-11-04 23:51:27

品牌	Logo	应用领域
其他 - ETC		模拟IC
页数	文件大小	规格书
6页	146K
描述
Analog IC

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数据手册

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EZ1117CST-3.3.TR 数据手册

EZ1117 & EZ1117A

0.8 & 1.0 Amp Positive

Voltage Regulators

POWER MANAGEMENT

Description

Features

The EZ1117 series of high performance positive voltage

regulators are designed for use in applications requiring

low dropout performance at up to 0.8A (1A for EZ1117A).

u Low dropout performance: 1.2V max. for EZ1117,

1.3V max. for EZ1117A

u Full current rating over line and temperature

u Fast transient response

Additionally, the EZ1117 series provides excellent

regulation over variations in line, load and temperature.

Outstanding features include low dropout performance

at rated current, fast transient response, internal

current limiting and thermal shutdown protection of the

output device.

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

temperature

u Adjust pin current max 90µA over temperature

u Fixed/adjustable output voltage

u Line regulation 0.2% max.

u Load regulation 0.4% max.

u SOT-223 and TO-263 packages

The EZ1117 series of three terminal regulators offer fixed

and adjustable voltage options available in the space

saving SOT-223 and TO-263 packages.

Applications

u Low voltage microcontrollers

u Switching power supply post-regulation

Typical Application Circuit

Fixed Voltage Regulator

EZ1117-3.3

TAB

VIN > 4.75V

VOUT = 3.3V

OUT

10uF Tant.

GND

10uF Tant. Min.

Adjustable Voltage Regulator

EZ1117

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, December 2000

www.semtech.com

12 3 4 5 6

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