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US3177のメーカーはUnisonic Technologiesです、この部品の機能は「POWER DISTRIBUTION SWITCH」です。 |
部品番号 | US3177 |
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部品説明 | POWER DISTRIBUTION SWITCH | ||
メーカ | Unisonic Technologies | ||
ロゴ | |||
このページの下部にプレビューとUS3177ダウンロード(pdfファイル)リンクがあります。 Total 10 pages
UNISONIC TECHNOLOGIES CO., LTD
US3X77
POWER DISTRIBUTION SWITCH
DESCRIPTION
The UTC US3X77 is a power distribution switch and particularly
designed for self-powered and bus-powered Universal Serial Bus
(USB) applications.
The UTC US3X77 incorporates protection circuits including
current limiting circuit with foldback function, thermal shutdown circuit
designed to prevent catastrophic switch failure due to increasing
power dissipation when continuous heavy loads or short circuit
occurs. Besides, a built-in charge pump is used to drive the
N-channel MOSFET that is free of parasitic body diode to eliminate
any reversed current flow across the switch when it is powered off.
The RDS(ON) of the MOSFET switch is as low as 100mΩ. OC is
open-drain output report over-current or over-temperature event
which has deglitch typical 9ms timeout period typically 9ms.
The UTC US3X77 is applied in high-side power protection switch,
USB power management, USB host and self-powered bubs, USB
bus-powered hubs, hot plug-in power supplies, battery-charger
circuits.
FEATURES
* 100mΩ High-Side MOSFET
* Supply Current:
Switch on : 65μA(Typ)
Switch off : 1μA (Max)
* Accurate Current Limit with Foldback
* Deglitched Open-Drain Over-Current Flag Output (OC)
* No Reverse Current when Power Off
* Under voltage Lockout
* Operating Range:2.7V ~ 5.5V
* Output Shutdown Pull-low Resistor
ORDERING INFORMATION
Ordering Number
US3X77XG-S08-R
US3X77XG-S08-T
US3X77XG-SM1-R
US3X77XG-SM1-T
Package
SOP-8
SOP-8
MSOP-8
MSOP-8
CMOS IC
Packing
Tape Reel
Tube
Tape Reel
Tube
www.unisonic.com.tw
Copyright © 2014 Unisonic Technologies Co., Ltd
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QW-R502-568.C
1 Page US3X77
BLOCK DIAGRAM
CMOS IC
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R502-568.C
3Pages US3X77
TEST CIRCUITS
VIN
CI
Chip
Enable
CMOS IC
RFG
IN OC
UTC
US3X77
S1
EN OUT
GND
A
IOUT
CO
VFLG
VOUT
RL IL
Turn-On & Off Response, Flag Response
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R502-568.C
6 Page | |||
ページ | 合計 : 10 ページ | ||
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PDF ダウンロード | [ US3177 データシート.PDF ] |
データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。 |
部品番号 | 部品説明 | メーカ |
US3175 | POWER DISTRIBUTION SWITCH | Unisonic Technologies |
US3176 | DUAL USB HIGH-SIDE POWER SWITCH | Unisonic Technologies |
US3177 | POWER DISTRIBUTION SWITCH | Unisonic Technologies |