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LR478 데이터시트(PDF) 2 Page - E-Tech Electronics LTD

부품명 LR478
상세설명  REGULATORRESET IC
PDF  8 Pages
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제조업체  ETL [E-Tech Electronics LTD]
홈페이지  http://e-tech.com.hk
Logo ETL - E-Tech Electronics LTD

LR478 데이터시트(HTML) 2 Page - E-Tech Electronics LTD

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LR478
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
2 of 8
www.unisonic.com.tw
QW-R119-003.C
PIN CONFIGURATION
8
7
6
5
1
2
3
4
N.C
RESET
CONT
VIN
VOUT
N.C
GND
Cd
PIN DESCRIPTION
PIN NO.
PIN NAME
FUNCTIONS
EQUIVALENT CIRCUIT DIAGRAM
1
N.C
2
RESET
Input voltage detection output
Input voltage detection output pin
RESET pin logic
RESET
VIN<VS
L
VIN>VS
H
RESET
3
CONT
Output voltage on/off-control pin
VCONT
Output
L
OFF
H
ON
Connect cont-terminal with VIN when it
is not used.
CONT
300K
400K
4
VIN
Voltage supply input pin
5
VOUT
Regulator Output pin
6
N.C
7
GND
GND pin
8
Cd
Delay time capacitor pin
RESET pin output delay time can be
set by the capacitance connected to
the Cd pin.
tPLH=100000.C
tPLH: transmission delay time[s]
C: capacitor value [F]
VOUT
Cd



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