B1117T-2.5 datasheet, PDF - EEWORLD Datasheet

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B1117T-2.5: Description1.0Amp Low Dropout Voltage Regulator; File Size345KB，7 Pages; ManufacturerETC1

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B1117T-2.5 Overview

1.0Amp Low Dropout Voltage Regulator

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Bay Linear

Inspire the Linear Power

1.0Amp Low Dropout Voltage Regulator

Adjustable & Fix (0.40Volt Dropout)

B1117

Description

The Bay Linear B1117 is a three terminal positive NPN

regulator offered as adjustable or fix voltages of 1.5V,1.8V,

2.5V, 2.85V, 3.3V, and 5Volts. The output current has a

capability up to

1.0Amp,

. This device has been optimized for

low voltage where transient response and minimum input

voltage are critical. The 2.85V version is designed specifically

to be used in active terminators for SCSI bus.

Current limit is trimmed to ensure specified output current and

controlled short-circuit current. On-Chip thermal limiting

provides protection against any combination of overload and

ambient temperatures that would create excessive junction

temperatures.

The B1117 is offered in a 3-pin SOT-223, and TO-252

(DPAK) packages compatible with other 3 terminal regulators.

5-pin version in TO-263 with lower dropout of 0.4 volt is

available.

Features

•

Adjustable Output Down to 1.2V

Output Current of 1.0Amp

Low Dropout 1.0V for B1117

Dropout of 0.40 V in for B1117A

Adjustable & Fix 1.5V, 1.8V, 2.5V, 2.85V,

3.0V, 3.3V, 5.0V

0.05% Load Regulation

Current & Thermal Limiting

Lower Cost SOT-89 Package

Available in SOT-223, and TO-252,

TO-263 & SO-8

Similar to industry Standard LT1117

•

Applications

•

Active SCSI terminators

High efficiency Linear Regulator

Post regulators fro Switching Supplies

Battery Charger

5V to 3.3V linear Regulators

Motherboard Clock Supplies

Pin Connection

Ordering Information

Devices

B1117D-X

B1117N-X

B1117T-X

B1117S-X

B1117M-X

Package

TO-252

TO-223

TO-220

TO-263

SO-8

Temp.

°C

to 125

°C

to 125

°C

to 125

°C

to 125

°C

to 125

°C

8-Pin Surface Mount

ADJ

OUT

SOT -223

Tab V

OUT

SOT-223-5

SOT-223

Tab V

OUT

N.C.

#1 Sense

#2 Adj/GND

#3 OUT

#4 Control

#5 V

TO-252

POWER

CONTROL

OUTPUT

ADJ/GND.

SENSE

Top View

Adj/GND OUT IN

Front View

TO-263-5 Package

ADJ/GN V

OUT

Front

Bay Linear, Inc

2418 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556

www.baylinear.com

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