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PDF US205 Data sheet ( Hoja de datos )
| Número de pieza | US205 | |
| Descripción | 2A SLEW RATE CONTROLLED LOAD SWITCH | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de US205 (archivo pdf) en la parte inferior de esta página. Total 5 Páginas | ||
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UNISONIC TECHNOLOGIES CO., LTD
US205
Preliminary
100mΩ, 2A SLEW RATE
CONTROLLED LOAD SWITCH
DESCRIPTION
The UTC US205 is a cost-effective, low-voltage, low switch-on
resistance (typ. 100mΩ) high-side Power Switch IC. It has a 20μA
low quiescent supply current that meets the requirements of
battery-powered portable equipment.
The UTC US205 incorporates protection circuits, such as an
over-current protection circuit, a short fold back circuit, a thermal
shutdown circuit and an under-voltage lockout circuit for overall
protection. Besides, a slew rate controlled function is embedded for
turn-on rising time control.
The UTC US205 can be usedin applications, such as Cellular
Phones, Digital still Camera, Hot swap Supplies, Notebook
Computers, Personal Communication Devices, Personal Digital
Assistants and so on.
The UTC US205 is available in SOP-8 package.
FEATURES
* High-Side NMOSFET: 100mΩ (TYP)
* Input Voltage Varies From 2.7V to 5.5V
* Low Supply Current: 20μA
* Over Current Protection
* Short Circuit Protection
* Under Voltage Lockout
* Thermal Protection with Foldback
* Slew Rate Limited Turn-On Time 3ms (5V)
* Reverse Blocking Current
* RoHS Compliant
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
US205XL-S08-R
US205XG-S08-R
Package
SOP-8
CMOS IC
Packing
Tape Reel
www.unisonic.com.tw
Copyright © 2011 Unisonic Technologies Co., Ltd
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US205
Preliminary
CMOS IC
APPLICATION INFORMATION(Cont.)
Output Filter Capacitor
A low-ESR 150uF aluminum electrolytic or tantalum between VOUT and GND is strongly recommended to meet the
330mV maximum droop requirement in the hub VBUS (Per USB 2.0, output ports must have a minimum 120μF of
low-ESR bulk capacitance per hub). The bypass capacitor itself should have a low dissipation factor to allow
decoupling at higher frequencies.
Thermal Shutdown
Thermal shutdown is used to turn off the output MOSFET when the if the temperature is higher than130°C, 20°C
of hysteresis prevents the switch turn on until the die temperature drops to 110°C.
TYPICAL APPLICATION CIRCUIT
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet US205.PDF ] | |
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