AZ1117R-2.85 datasheet, PDF - EEWORLD Datasheet

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AZ1117R-2.85: Description1.25 V-12 V ADJUSTABLE POSITIVE LDO REGULATOR, 1.25 V DROPOUT, SFM3; Categorysemiconductor Power management; File Size224KB，24 Pages; ManufacturerBCD Semi（Diodes）

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AZ1117R-2.85 Overview

1.25 V-12 V ADJUSTABLE POSITIVE LDO REGULATOR, 1.25 V DROPOUT, SFM3

AZ1117R-2.85 Parametric

Parameter Name	Attribute value
Number of functions	1
Number of terminals	3
Maximum output current	1 A
Maximum output voltage	12 V
Minimum output voltage	1.25 V
Processing package description	ROHS COMPLIANT, TO-220, 3 PIN
state	TRANSFERRED
Craftsmanship	BIPOLAR
packaging shape	Rectangle
Package Size	Flange mounting
Terminal form	THROUGH-hole
Terminal location	single
Packaging Materials	UNSPECIFIED
Maximum voltage difference	1.25 V
Adjustment type	Adjustable Positive Voltage Low Dropout Linear Regulator Regulator

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Data Sheet

1A LOW DROPOUT LINEAR REGULATOR

CURRENT MODE PWM CONTROLLER

General Description

The AZ1117 is a series of low dropout three-terminal

regulators with a dropout of 1.15V at 1A output cur-

rent.

The AZ1117 series provides current limiting and ther-

mal shutdown. Its circuit includes a trimmed bandgap

reference to assure output voltage accuracy to be

within 1% for 1.5V, 1.8V, 2.5V, 2.85V, 3.3V, 5.0V and

adjustable versions or 2% for 1.2V version. Current

limit is trimmed to ensure specified output current and

controlled short-circuit current. On-chip thermal shut-

down provides protection against any combination of

overload and ambient temperature that would create

excessive junction temperature.

The AZ1117 has an adjustable version, that can pro-

vide the output voltage from 1.25V to 12V with only 2

external resistors.

The AZ1117 series is available in the industry standard

SOT-223, SOT-89-3, TO-220-3, TO-252-2 and TO-

263-3 power packages.

AZ1117

AZ2842/3/4/5

Features

Low Dropout Voltage: 1.15V at 1A Output Cur-

rent

Trimmed Current Limit

On-chip Thermal Shutdown

Three-terminal Adjustable or Fixed 1.2V, 1.5V,

1.8V, 2.5V, 2.85V, 3.3V, 5.0V

Operation Junction Temperature: -40 to 125

Applications

PC Motherboard

LCD Monitor

Graphic Card

DVD-video Player

NIC/Switch

Telecom Equipment

ADSL Modem

Printer and other Peripheral Equipment

SOT-223

SOT-89-3

TO-220-3

TO-252-2

TO-263-3

Figure 1. Package Types of AZ1117

Oct. 2005 Rev. 1. 7

BCD Semiconductor Manufacturing Limited

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