LD1117L-285-TA3-B-T datasheet, PDF

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LD1117L-285-TA3-B-T: DescriptionRegulator; CategoryPower/power management The power supply circuit; File Size268KB，13 Pages; ManufacturerUNISONIC TECHNOLOGIES CO.,LTD; Websitehttp://www.unisonic.com.tw/

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LD1117L-285-TA3-B-T Overview

Regulator

LD1117L-285-TA3-B-T Parametric

Parameter Name	Attribute value
Maker	UNISONIC TECHNOLOGIES CO.,LTD
Reach Compliance Code	compliant

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UNISONIC TECHNOLOGIES CO.,LTD.

LD1117/A

LOW DROP FIXED AND

ADJUSTABLE POSITIVE

VOLTAGE REGULATORS

DESCRIPTION

The UTC LD1117/A is a low dropout, 3-terminals

positive voltage regulator designed to provide output current

up to 800mA/1A, even available in adjustable version

(Vref=1.25V). Regarding fixed versions, 1.5V, 1.8V, 2.5V,

2.85V, 3.0V, 3.3V, 3.6V and 5.0V are offered. The 2.85V

type is ideal for SCSI-2 lines active termination. Various

surface mount packages optimize the thermal characteristics

even offering a relevant space saving effect, including

SOT-223, TO-263, TO-252and SOP-8.

High efficiency is assured by NPN pass transistor. In

fact, in the case, unlike than PNP one, the Quiescent Current

flows mostly into the load. Only a very common 10µF

minimum capacitor is needed for stability. It allows very tight

output voltage tolerance within

±1%

at 25°C by chip trim.

Moreover, the ADJUSTABLE version is pin to pin compatible

with the other standard Adjustable voltage regulators

maintaining the better performances in terms of Drop and

Tolerance.

Linear Integrated Circuit

SOT-223

SOP-8

TO-220

TO-252

TO-263

TO-263-3

*Pb-free plating product number:

LD1117L-xx

LD1117AL-xx

FEATURES

*Low dropout voltage (1V Typ.)

*2.85V device performances are suitable for SCSI-2 active

termination

*Output current up to 0.8A/1.0A

*Adjustable version availability (Vref=1.25V)

*Internal current and thermal limit.

*Available in

±1%(at

25°C) and 2% in all temperature range

*Supply voltage rejection: 75dB (TYP)

ORDERING INFORMATION

Order Number

Package

Normal

Lead Free Plating

LD1117

①

-xx-AA3-

②

③

LD1117

①

L-xx-AA3-

②

③

SOT-223

LD1117

①

-xx-TA3-

②

③

LD1117

①

L-xx-TA3-

②

③

TO-220

LD1117

①

-xx-TN3-

②

③

LD1117

①

L-xx-TN3-

②

③

TO-252

LD1117

①

-xx-TQ2-

②

③

LD1117

①

L-xx-TQ2-

②

③

TO-263

LD1117

①

-xx-TQ3-

②

③

LD1117

①

L-xx-TQ3-

②

③

TO-263-3

LD1117

①

-xx-S08-

②-③

LD1117

①

L-xx-S08-

②

③

SOP-8

Note: 1.

①:

Current code: Blank: 800mA A: 1A

2. Pin assignment: I:Vin O:Vout G:GND x:NC

3. xx: Output Voltage, refer to Marking Information.

②

③

Pin Assignment

A: GOI

B: OGI

C: GIO

D: IGO

GOOIxOOx

Packing

R: Tape Reel

T: Tube

Example: LD1117L-285-AA3-B-T

800mA, 2.85V, SOT-223 package, Pin1:Vout, Pin2:Ground, Pin3:Vin, packing by Tube.

www.unisonic.com.tw

QW-R102-006,M

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