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LR478-XX-S08-R Datasheet(PDF) 1 Page - Unisonic Technologies

Part # LR478-XX-S08-R
Description  LINEAR INTEGRATED CIRCUIT
PDF  8 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

LR478-XX-S08-R Datasheet(HTML) 1 Page - Unisonic Technologies

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UNISONIC TECHNOLOGIES CO., LTD
LR478
LINEAR INTEGRATED CIRCUIT
www.unisonic.com.tw
1 of 8
Copyright © 2005 Unisonic Technologies Co., LTD
QW-R112-001,B
REGULATOR+RESET IC
DESCRIPTION
The UTC LR478 developed for use in CD-ROM drives,
combines a 3V regulator adapted to low power consumption with
a much-sought reset function (regulator input monitoring),with
internal delay circuit, set to detect 4.2V.
FEATURES
*Large Output Current: 300mA (max.)
*High Ripple Rejection Rate: 80dB(typ.)
*Internal Thermal Shutdown Circuit
*Internal Current Limiting Circuit
*Easy Set Delay Time from Voltage Detection to Reset Release
SOP-8
*Pb-free plating product number: LR478L
ORDERING INFORMATION
Order Number
Normal
Lead Free Plating
Package
Packing
LR478-xx-S08-R
LR478L-xx-S08-R
SOP-8
Tape Reel
LR478-xx-S08-T
LR478L-xx-S08-T
SOP-8
Tube
Note: xx: Output Voltage, refer to Rank List as below.
OUTPUT DETECTION VOLTAGE RANK LIST
PART NUMBER
REGULATOR OUTPUT VOLTAGE (V)
DETECTION VOLTAGE (V)
LR478-3.4V
3.40±0.05
4.20±0.09
LR478-3.3V
3.30±0.05
4.20±0.09
LR478-2.5V
2.50±0.05
4.20±0.09


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