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PDF DD211 Data sheet ( Hoja de datos )
| Número de pieza | DD211 | |
| Descripción | CHARGE PUMP | |
| Fabricantes | SILICON TOUCH TECHNOLOGY | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de DD211 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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DD211
Version
Issue Date
File Name
Total Pages
: A.001
: 2002/12/03
: SP-DD211-A.001.doc
: 11
A DRIVER, CHARGE PUMP FOR HIGH
FORWARD-VOLTAGE LEDS WITH LOW SUPPLY
VOLTAGE (2.0V~3.3V)
新竹市科學園區展業一路九號四樓之三
SILICON TOUCH TECHNOLOGY INC.
No. 9, 4F-3 Chan-Yeh Road 1 Science-Based Industrial Park
Tel：886-3-5645656 Fax：886-3-5645626
1 page  
點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC.
DD211
Functional Descriptions
DD211 is designed to drive a high forward-voltage LED as a light source with low supply
voltage. As Fig.a shown, when the power is on, DD211 will double the supply voltage to drive the
external LED with 75% duty cycle. The built-in resistor of DD211 is used to limit the driving
current.
VLEDA
+
Fig.a Cext _
LEDA
CP
DD211
CN VSS VDD
hv
IF
Ground
Ground
Power
IFON
IF
2VDD
VLEDA
(Without LED)
VDD
Dt
1/Freq
Test Circuits
As Fig.a shown.
SP-DD211-A.001.doc
-4- Version：A.001
5 Page 
點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC.
DD211
The products listed herein are designed for ordinary electronic applications, such
as electrical appliances, audio-visual equipment, communications devices and so on.
Hence, it is advisable that the devices should not be used in medical instruments,
surgical implants, aerospace machinery, nuclear power control systems,
disaster/crime-prevention equipment and the like. Misusing those products may directly
or indirectly endanger human life, or cause injury and property loss.
Silicon Touch Technology, Inc. will not take any responsibilities regarding the
misusage of the products mentioned above. Anyone who purchases any products
described herein with the above-mentioned intention or with such misused applications
should accept full responsibility and indemnify. Silicon Touch Technology, Inc. and its
distributors and all their officers and employees shall defend jointly and severally against
any and all claims and litigation and all damages, cost and expenses associated with such
intention and manipulation.
SP-DD211-A.001.doc
-10-
Version：A.001
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet DD211.PDF ] | |
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