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TJ2205 fiches techniques PDF

HTC Korea - Dual-Channel Power Distribution Switch

Numéro de référence TJ2205
Description Dual-Channel Power Distribution Switch
Fabricant HTC Korea 
Logo HTC Korea 





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TJ2205 fiche technique
Dual-Channel Power Distribution Switch
TJ2205
FEATURES
z 2.7V to 5.5V Operating Range
z 500mA Continuous Current per Channel
z 1.25A Maximum Short Circuit Current limit
z 90uA Typical On-State Supply Current
z 1uA Maximum Standby Supply Current
z Independent open-drain fault flag pins
z Thermal Shutdown Protection
z 2.4V typical Under Voltage Lockout(UVLO)
z TJ2205H : Active High version
z TJ2205L : Active Low version
z UL Recognized. UL File No. E347996
APPLICATION
z USB Peripherals
z General Purpose Power Switching
z ACPI Power Distribution
z Notebook PCs
z PDAs
z Hot Plug-in Power Supplies
SOP8 PKG
ORDERING INFORMATION
Device
TJ2205HD
TJ2205LD
Package
SOP8
DESCRIPTION
The TJ2205X is dual-channel High-Side MOSFET switches optimized for general-purpose power
distribution requiring circuit protection.
The TJ2205 series support the following USB requirements. Each of the two channels supplies up to
500mA as required by USB downstream devices. Each switch’s low on-resistance meets USB voltage
drop requirements. Fault current is limited to typically 1.2A. Flag output indicates fault conditions to the
local USB controller. Soft-start prevents the transient voltage drop on the upstream port that can occur
when the switch is enabled in bus-powered applications. Under voltage lockout (UVLO) feature disables
the output switches until a valid input voltage. Also the TJ2205 include thermal shutdown to prevent switch
failure from high-current loads.
Absolute Maximum Ratings (Note 1)
Characteristic
Supply Voltage
Enable Input Voltage (Note 2)
Fault Flag Voltage
Fault Flag Current
Output Voltage
Output Current
Storage Temperature Range
Oct. 2011 – R1.1
Symbol
VIN
VEN
VFLG
IFLAG
VOUT
IOUT
TSTG
-1-
Min
Max
Unit
-0.3 6.0 V
-0.3 6.0 V
- 6.0 V
- 25 mA
6.0 V
Internally Limited
-65 150
HTC
Free Datasheet http://www.datasheet4u.com/

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