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Taiwan Memory Technology - High Efficiency 2X charge Pump

Numéro de référence T6319A
Description High Efficiency 2X charge Pump
Fabricant Taiwan Memory Technology 
Logo Taiwan Memory Technology 





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T6319A fiche technique
tm TE
CH
T6319A
High Efficiency 2X charge Pump
FEATURES
• Wide Input Range: 2.5V to 5.5V
www.DataSheet4UA.cvoamilable Output Voltages:
2.5V/2.7V/3.0V/3.3V/4.0V/4.5V /5.0V/5.5V
• Automatic Step-Up/Step-Down Operation
• Low Input Current Ripple
• Low Output Voltage Ripple
• Minimum Number of External
Components-No Inductors
• Shutdown Mode
• Thermal Protection
• High Output Current :
VIN>3.0V Output Current 100mA
Max. 250mA for pulsed loads
• Available Package : SOT23-6/ lead-free
APPLICATIONS
Smart Card Readers
Cellular Phones
White LED Camera Flash
White LED Backlighting
Battery Backup Supplies
GENERAL DESCRIPTION
The The T6319A is a switched capacitor
voltage converter, that produces a regulated,
low ripple output voltage from an unregulated
input voltage. A wide-input supply voltage of
2.5V to 5.5V makes the T6319A ideal for a
variety of battery sources, such as single cell
Li-Ion, or two and three cell nickel or alkaline-
based chemistries.
The input voltage may vary above and below
the output voltage and the output will remain
in regulation. It works equally well for step-up
or step-down applications without the need for
an inductor, providing low EMI DC/DC
conversion. The high switching frequency
allows the use of small surface-mount
capacitors, saving board space and reducing
cost. The T6319A is thermally protected.
PART NUMBER EXAMPLES
Part no.
Output
Voltage
T6319A-25AXG 2.5V
T6319A-30AXG 3.0V
Package type
SOT23-6
lead-free
SOT23-6
lead-free
T6319A-50AXG
T6319A-55AXG
5.0V
5.5V
SOT23-6
lead-free
SOT23-6
lead-free
TM Technology Inc. reserves the right
P. 1
to change products or specifications without notice.
Publication Date: MAY. 2007
Revision: A

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