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PDF US222 Data sheet ( Hoja de datos )

Número de pieza US222
Descripción 0.5A TO 2.0A HIGH-SIDE POWER DISTRIBUTION SWITCHES
Fabricantes Unisonic Technologies 
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No Preview Available ! US222 Hoja de datos, Descripción, Manual

UNISONIC TECHNOLOGIES CO., LTD
US222
Preliminary
LINEAR INTEGRATED CIRCUIT
0.5A TO 2.0A HIGH-SIDE
POWER DISTRIBUTION
SWITCHES
DESCRIPTION
The UTC US222 are low voltage cost-effective high-side
power switches with flag function. These devices are particularly
suitable for self-powered and bus-powered USB applications. The
build-in N-MOSFET’s RDS(ON) which meets the requirements of
USB voltage drop is as low as 85 m.
The UTC US222 contains a charge pump circuitry to drive the
internal MOSFET switch and also incorporate such protection
circuits: soft-start circuit protect these devices from being
damaged by limiting inrush current during plug-in; thermal
shutdown circuit is used to prevent catastrophic switch failure
from high-current loads. UVLO is used to ensure that the device
remains off unless there is a valid input voltage present. A flag
output is designed to indicate fault conditions to the local USB
controller.
FEATURES
* Low MOSFET On Resistance: 85m
* Under-voltage Lockout
* Compliant to USB Specifications
* Over-current Protection
* Available 4 Versions of Continuous Load: 0.5A/1.0A/1.5A/2.0A * Over Temperature Protection
* Logic Level Enable Pin: Available with Active-high or Active-low * Load Short Protection with Fold-back
Version
* Deglitched FLAG Output with Open Drain
* Low Supply Current: 68µA (Typ.)
* No Reverse Current When Power Off
* Low Shutdown Current: 1.0µA (Max)
* With Output Shutdown Pull-low Resistor
* Soft Start-up
ORDERING INFORMATION
Ordering Number
US222XXG-AF5-R
Package
SOT-25
Packing
Tape Reel
US222XXG-AF5-R
(1)Packing Type
(2)Package Type
(3)Green Package
(4)Current Limit
(1) R: Tape Reel
(2) AF5: SOT-25
(3) G: Halogen Free and Lead Free
(4) AL/AH: 2.0A, BL/BH: 1.5A, CL/CH: 1.0A, DL/DH: 0.5A
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
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