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전자부품 반도체 검색엔진( 무료 PDF 다운로드 ) - 데이터시트뱅크

L5101 데이터 시트보기 (PDF) - Unisonic Technologies

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L5101
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Unisonic Technologies UTC
L5101 Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
L5101
PIN CONFIGURATION
OVP
VIN
6
5
LINEAR INTEGRATED CIRCUIT
SW
4
1
2
3
SHDN
GND
FB
PIN DESCRIPTIONS
PIN NO.
1
2
3
PIN NAME
Shutdown
Ground
Feedback
4
Switch
5
Power input
6 Overvoltage protection
SYMBOL
SHDN
GND
FB
SW
VIN
OVP
DESCRIPTION
Tie to higher than 1.5V to enable device, 0.3V or less to disable device.
Reference voltage is 95mV. Connect cathode of lowest LED and
resistor here. Calculation formula: RFB=95mV/ILED
Connect inductor/diode here. Minimize trace area at this pin to reduce
EMI.
Bypass VIN to GND with a capacitor sitting as close to VIN as possible.
The internal MOSFET will turn off when VOUT >27V.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 9
QW-R103-026,A

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