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PDF TCA62753FUG Data sheet ( Hoja de datos )
| Número de pieza | TCA62753FUG | |
| Descripción | Charge Pump type DC/DC Converter | |
| Fabricantes | Toshiba Semiconductor | |
| Logotipo |  |
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TCA62753FUG
www.DataSheet4TU.OcomSHIBA CMOS INTEGRATED CIRCIUTS SILICON MONOLITHIC
TCA62753FUG
Charge Pump type DC/DC Converter for White LED Driver
The TCA62753FUG is a charge pump type DC/DC Converter
specially designed for constant current driving of White LED.
This IC can outputs LED current 100mA to 3.0-5.5V input.
This IC is especially for driving back light white LEDs in LCD of PDA,
Cellular Phone, or Handy Terminal Equipment.
This IC is Pb-free product.
Features
Weight: 0.016 g (Typ.)
▪ Power supply Voltage
▪ Output Voltage
▪ Output Current
▪ Switching Frequency
▪ Integrated protection circuit
▪ External parts are few.
▪ Package
: VIN = 2.7V ~ 5.5V
: VOUT = 5.0V ± 6%
: 100mA (VIN = 3.0V or more)
50mA (VIN = 2.7V or more)
: 1MHz (Typ.)
: Thermal Shut Down function
Over current limitation function
: It is possible to driving of LED with 3 capacitors.
(It is each one capacitor for the Input, for the Output, and for the Charge pump)
: SSOP6-P-0.95B
1 2006-10-25
1 page  
www.DataSheet4U.com
Test Circuit
VIN
IIN 1 C- SHDN 6
A C = 1.0µF 2 VIN GND 5
ISHDN
A
3 C+ VOUT 4
CIN = 2.2µF
COUT = 2.2µF
IOUT
TCA62753FUG
VSHDN
V
The example of Application Circuit
*These application examples are provided for reference only.
*Thorough evaluation and testing should be implemented when designing your application's mass production design.
The example 1) Drive of 5 LEDs
VIN = 3.0V ~ 5.0V C = 1.0µF
1 C- SHDN 6
2 VIN GND 5
3 C+ VOUT 4
CIN = 2.2µF
COUT = 2.2µF
SHDN
R R R RR
The example 2) 5V power supply
*The LED current becomes 20mA by R = 20Ω. (For LED Vf = 3.6V)
VIN = 3.0V ~ 5.0V C = 1.0µF
1 C- SHDN 6
2 VIN GND 5
3 C+ VOUT 4
CIN = 2.2µF
COUT = 2.2µF
SHDN
VOUT = 5.0V ± 6%
IOUT = 100mA
5 2006-10-25
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet TCA62753FUG.PDF ] | |
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