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PDF TJ1051 Data sheet ( Hoja de datos )
| Número de pieza | TJ1051 | |
| Descripción | CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER | |
| Fabricantes | HTC Korea | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TJ1051 (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER
FOR ADATPTORS AND BATTERY CHARGERS
TJ1051
FEATURES
SOT-23-6LD
SOP-8
● CONSTANT VOLTAGE AND CONSTANT CURRENT
CONTROL
● LOW VOLTAGE OPERATION
● PRECISION INTERNAL COMPONENT COUNT
● CURRENT SINK OUTPUT STAGE
www.DataSh●eet4EUA.cSoYm COMPENSATION
● LOW AC MAINS VOLTAGE REJECTION
ORDERING INFORMATION
Device
Marking
Package
DESCRIPTION
TJ1051CL
1051
SOT-23-6LD
TJ1051CD
TJ1051
SOP-8
TJ1051 is a highly integrated solution for SMPS
applications requiring constant voltage and constant
PIN CONNECTIONS (TOP VIEW)
current mode.
TJ1051 integrates one voltage reference, two operational
SOT-23-6
SOP-8
amplifiers (with ORed ouputs - common collectors), and
a current sensing circuit.
1 Vctrl Vcc 6
1 Vctrl
Gnd 8
The voltage reference combined with one operational
amplifiers makes it an ideal voltage controller, and the
2 Gnd Vsense
other low voltage reference combined with the other
operational amplifier makes it an ideal current limiter
3 Out Ictrl
for output low side current sensing.
The current threshold is fixed and precise.
The only external components are :
● A resistor brideg to be connected to the output Block Diagram
of the power supply (adaptor, battery charger)
to set the voltage regulation by dividing the
desired output voltage to match the internal
1.210V
voltage reference value.
● A sense resistor having a value and allowable
5
4
2 Vcc
Out 7
3 Vsense Ictrl 6
4 Nc
Nc 5
Vcc
Out
dissipation power which need to be chosen
according to the internal vlotage threshold.
● Optional compensation components (R and C).
200mV
Vctrl
APPLICATIONS
● BATTERY CHARGERS
● ADAPTERS
Gnd
Ictrl Vsense
TJ1051, is ideal for smallest package available, is ideal for space shrinked applications such as
battery chargers and adaptors.
Jan. 2007-Rev 1.0
1
HTC
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet TJ1051.PDF ] | |
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