L1581-3.3 Просмотр технического описания (PDF) - Niko Semiconductor
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L1581-3.3 Datasheet PDF : 7 Pages
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NIKO-SEM
Dual Input Ultra Low Dropout
Voltage Regulator (ULDO)
L1581 Series
TO-220,TO-263
NOTE :
(1) Low duty cycle pulse testing with Kelvin connections required.
(2) Minimum input to output voltage differential required to maintain 1% regulation.
(3) Current used to drive the output section.
(4) Required to maintain regulation. Resistor divider R1, R2 is usually utilized for minimum load current.
(5) VRIPPLE = 1VPK-PK, 120Hz.
(6) 30ms.
DEVICE SELECTION GUIDE
Device
L1581S L1581S-2.5 L1581S-3.3 L1581T L1581T-2.5 L1581-3.3
Package
Marking
TO-263
L1581S
TO-263
TO-263
L1581S-2.5 L1581S-3.3
TO-220
L1581T
TO-220
TO-220
L1581T-2.5 L1581-3.3
PIN CONFIGURATIONS
Pin #
Function
1
Sense
2
Adjust
3
Output
4
Control
5
Input
Note: TAB is Output Pin
4
JAN-08-Y02
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