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T6326A fiches techniques PDF

Taiwan Memory Technology - Constant-Current White LED

Numéro de référence T6326A
Description Constant-Current White LED
Fabricant Taiwan Memory Technology 
Logo Taiwan Memory Technology 





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T6326A fiche technique
tm TE
CH
FEATURES
• Up to 400mA LED Bias Current
• 3% LED Current Matching
• Simple LED Brightness Control
www.DataSheet4UL.coowm 0.05uA Shutdown Current
• 3V to 5.5V Supply Voltage Range
• MSOP-10L Package
• Output channel :
MSOP-10L package for four channel
• LED1~4 Channels ON / OFF states:
T6326A-AM with 16 channel states
T6326A-BM with 5 channel states
• Build in Thermal Protect 140 °C
Applications
• Cellular Phones
• Portable Communication Devices
• Handheld Electronics
• Digital Cameras
• PDAs
• LED/Display Back Light Driver
• LEDs for Camera Flash
PART NUMBER EXAMPLES
PART NO.
T6326A-AM
T6326A-BM
PACKAGE
MSOP-10L
MSOP-10L
ON states
16
5
Preliminary T6326A
Low-Dropout, Constant-Current
White LED with Channel Control
GRNERAL DESCRIPTION
The T6326A low-dropout bias supply for
white LEDs is a high-performance alternative
to the simple ballast resistors used in
conventional white LED designs. The T6326A
with internal channel on/off select function.
The T6326A uses a single resistor to set the
bias current for four LEDs, which are matched
to 3%. The T6326A advantages over ballast
resistors include significantly better LED to
LED bias matching, much lower bias variation
with supply voltage variation, significantly
lower dropout voltage, and in some
applications, significantly improved efficiency.
The T6326A is available in MSOP-10L
package.
TM Technology Inc. reserves the right
P. 1
to change products or specifications without notice.
Publication Date: FEB. 2006
Revision: A

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