SPX1117R-1-8/TR datasheet, PDF

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SPX1117R-1-8/TR: DescriptionFixed Positive LDO Regulator, 1.8V, 1.3V Dropout, BIPolar, PSSO2, TO-252AA, 3/2 PIN; CategoryPower/power management The power supply circuit; File Size460KB，16 Pages; ManufacturerExar

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SPX1117R-1-8/TR Overview

Fixed Positive LDO Regulator, 1.8V, 1.3V Dropout, BIPolar, PSSO2, TO-252AA, 3/2 PIN

SPX1117R-1-8/TR Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Exar
Parts packaging code	TO-252AA
package instruction	TO-252, SMSIP3H,.38,90TB
Contacts	4
Reach Compliance Code	unknown
ECCN code	EAR99
Adjustability	FIXED
Maximum drop-back voltage 1	1.3 V
Nominal dropback voltage 1	1.1 V
Maximum absolute input voltage	20 V
Maximum input voltage	12 V
Minimum input voltage	3.3 V
JESD-30 code	R-PSSO-G2
length	6.54 mm
Maximum grid adjustment rate	0.007%
Maximum load regulation	0.012%
Humidity sensitivity level	1
Number of functions	1
Output times	1
Number of terminals	2
Working temperatureTJ-Max	125 °C
Working temperature TJ-Min	-40 °C
Maximum output current 1	0.8 A
Maximum output voltage 1	1.836 V
Minimum output voltage 1	1.764 V
Nominal output voltage 1	1.8 V
Package body material	PLASTIC/EPOXY
encapsulated code	TO-252
Encapsulate equivalent code	SMSIP3H,.38,90TB
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
method of packing	TAPE AND REEL
Peak Reflow Temperature (Celsius)	225
Certification status	Not Qualified
Regulator type	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height	2.52 mm
surface mount	YES
technology	BIPOLAR
Terminal form	GULL WING
Terminal pitch	2.29 mm
Terminal location	SINGLE
Maximum time at peak reflow temperature	NOT SPECIFIED
Maximum voltage tolerance	2%
width	6.1 mm

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SPX1117

800mA Low Dropout Voltage Regulator

FEATURES

■

Guaranteed 0.8A Output Current

■

Guaranteed 1A Peak Current

■

Three Terminal Adjustable or Fixed

1.5V, 1.8V, 2.5V, 2.85V, 3.0V,

3.3V and 5V

■

Low Quiescent Current

■

Low Dropout Voltage of 1.1V at 0.8A

■

0.1% Line and 0.2% Load Regulation

■

Stable with 2.2uF Ceramic Capacitor

■

Overcurrent and Thermal Protection

■

Lead Free, RoHS Compliant Packages:

SOT-223,TO-252, TO-220, and TO-263

DESCRIPTION

The SPX1117 is a low power positive-voltage regulator designed to satisfy moderate power

requirements with a cost effective, small footprint solution. This device is an excellent choice for

use in battery-powered applications and portable computers. The SPX1117 features very low

quiescent current and a low dropout voltage of 1.1V at a full load. As output current decreases,

quiescent current flows into the load, increasing efficiency. SPX1117 is available in adjustable

or fixed 1.5V, 1.8V, 2.5V,2.5V, 2.85V, 3.0V, 3.3V and 5V output voltages.

The SPX1117 is offered in several 3-pin surface mount packages: SOT-223, TO-252, TO-220

and TO-263. An output capacitor of 10µF provides unconditional stability while a smaller 2.2µF

capacitor is sufficient for most applications.

FUNCTIONAL DIAGRAM

APPLICATIONS

■

Desktop PC's Servers

■

SCSI-II Active Terminator

■

Portable/ Palm Top / Notebook

Computers

■

Cordless Phones

■

Battery Chargers

■

Disk Drives

■

Portable Consumer Equipment

■

Portable Instrumentation

■

SMPS Post-Regulator

Current Limit

OUT

AMP

1.25V

Thermal Limit

–

REF

ADJ/GND

ADJ

~ 50µA

–

Apr 20-07 Rev B

SPX1117 800mA Low Dropout Voltage Regulator

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