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UNISONIC TECHNOLOGIES CO., LTD

LR478

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.

LINEAR INTEGRATED CIRCUIT

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

LR478-xx-S08-R

LR478L-xx-S08-R

LR478-xx-S08-T

LR478L-xx-S08-T

Package

SOP-8

SOP-8

Packing

Tape Reel

Tube

Note: xx: Output Voltage, refer to Rank List as below.

OUTPUT DETECTION VOLTAGE RANK LIST

PART NUMBER

LR478-3.4V

LR478-3.3V

LR478-2.5V

REGULATOR OUTPUT VOLTAGE (V)

3.40鹵0.05

3.30鹵0.05

2.50鹵0.05

DETECTION VOLTAGE (V)

4.20鹵0.09

4.20鹵0.09

4.20鹵0.09

www.unisonic.com.tw

Copyright 漏 2005 Unisonic Technologies Co., LTD

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LR478L-XX-S08-R相關(guān)型號(hào)PDF文件下載

• 型號(hào)
  版本
  描述
  廠商
  下載
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  英文版
  LINEAR INTEGRATED CIRCUIT
  UTC-IC
  LR478
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• LR478-3.3V
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• LR478L-XX-...
  英文版
  LINEAR INTEGRATED CIRCUIT
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