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LD1117AL-285-TN3-A-R PDF预览

LD1117AL-285-TN3-A-R

更新时间： 2024-11-24 09:12:59
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Regulator

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LD1117AL-285-TN3-A-R 数据手册

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UNISONIC TECHNOLOGIES CO.,LTD.  
LD1117/A  
Linear Integrated Circuit  
LOW DROP FIXED AND  
ADJUSTABLE POSITIVE  
VOLTAGE REGULATORS  
1
SOT-223  
TO-220  
TO-263  
SOP-8  
ꢀ
DESCRIPTION  
The UTC LD1117/A is a low dropout, 3-terminals  
1
1
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.  
TO-252  
1
1
TO-263-3  
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.  
*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  
②
Package  
③
Pin Assignment  
Packing  
Normal  
Lead Free Plating  
LD1117①-xx-AA3-②-③  
LD1117①-xx-TA3-②-③  
LD1117①-xx-TN3-②-③  
LD1117①-xx-TQ2-②-③  
LD1117①-xx-TQ3-②-③  
LD1117①-xx-S08-②-③  
LD1117①L-xx-AA3-②-③  
LD1117①L-xx-TA3-②-③  
LD1117①L-xx-TN3-②-③  
LD1117①L-xx-TQ2-②-③  
LD1117①L-xx-TQ3-②-③  
LD1117①L-xx-S08-②-③  
SOT-223  
A: GOI  
TO-220  
B: OGI  
TO-252  
C: GIO  
R: Tape Reel  
T: Tube  
TO-263  
D: IGO  
TO-263-3  
SOP-8  
GOOIxOOx  
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.  
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  
1
Copyright © 2005 Unisonic Technologies Co.,LTD.  
QW-R102-006,M  
1234567...13

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