SPX1117T Exar Corporation, SPX1117T Datasheet
SPX1117T
Manufacturer Part Number
SPX1117T
Description
800mA Low Dropout Voltage Regulator
Manufacturer
Exar Corporation
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SPX1117T-1.8
Manufacturer:
SIPEX
Quantity:
20 000
Company:
Part Number:
SPX1117T-12
Manufacturer:
SIPEX
Quantity:
50 210
Company:
Part Number:
SPX1117T-2.5
Manufacturer:
SIPEX
Quantity:
6 892
Company:
Part Number:
SPX1117T-2.5
Manufacturer:
SIPEX
Quantity:
16 977
Company:
Part Number:
SPX1117T-5.0
Manufacturer:
SIPEX
Quantity:
50 210
FEATURES
Date: 8/25/04
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.
I Guaranteed 0.8A Output Current
I Guaranteed 1A Peak Current
I Three Terminal Adjustable or Fixed
I Low Quiescent Current
I Low Dropout Voltage of 1.1V at 0.8A
I 0.1% Line and 0.2% Load Regulation
I Stable with 2.2uF Ceramic Capacitor
I Overcurrent and Thermal Protection
I Available Packages: SOT-223,TO-252,
3.3V and 5V
TO-220, and TO-263
1.5V, 1.8V, 2.5V, 2.85V, 3.0V,
Current Limit
Thermal Limit
800mA Low Dropout Voltage Regulator
®
I
TL
SPX1117 800mA Low Dropout Voltage Regulator
+
–
+
-
I
CL
1
Now Available in Lead Free Packaging
APPLICATIONS
I Desktop PC's Servers
I SCSI-II Active Terminator
I Portable/ Palm Top / Notebook
I Cordless Phones
I Battery Chargers
I Disk Drives
I Portable Consumer Equipment
I Portable Instrumentation
I SMPS Post-Regulator
Computers
AMP
+
-
1.25V
V
REF
FUNCTIONAL DIAGRAM
I
ADJ
ADJ/GND
© Copyright 2004 Sipex Corporation
~ 50µA
–
V
V
OUT
IN
SPX1117
DESCRIPTION
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