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PDF ELM900x Data sheet ( Hoja de datos )
| Número de pieza | ELM900x | |
| Descripción | WHITE LED FLASHLIGHT DRIVER | |
| Fabricantes | ELM | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ELM900x (archivo pdf) en la parte inferior de esta página. Total 3 Páginas | ||
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㪜㪣㪤㪐㪇㪇㫏 WHITE LED FLASHLIGHT DRIVER
䂓GENERAL DESCRIPTION
ELM900x is a CMOS IC designed for driving white LEDs by one or two dry cell as a power source. ELM900x
can drive two series white LED by 1.5V-3.0V input voltage. ELM900x uses an external inductor as a voltage
booster. ELM900x consists of an oscillator circuit and a driving transistor. The input DC power is transformed
to a 35kHz constant current pulse, when the external inductor switched on and off in 35kHz. In a standard
application inductor is needed as external parts.
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䂓 FEATURES
䊶Low cost and simple application circuit
䊶High efficiency
䊶Constant average power control
䊶Low noise 35kHz constant frequency switching
䊶Compact SOT-89 package
䂓 APPLICATION
䊶White LED flashlight
䊶Laser pointer
䊶High VF LED driver
䊶LCD backlighting
䂓 PIN CONFIGURATION
SOT-89
㪈 㪉㪊
( TOP VIEW )
䂓 MARKING
㪪㪦㪫㪄㪏㪐
㽲㽳
㽴㽵
Pin No. Pin Name
1 VSS
2 VDD
3 LX
㽲 㪃 㽳 : Represents the product IC code
90
㽴 : Represents the assembly lot number
0 䌾 9 repeated
㽵 : Represents the assembly lot number
A 䌾 Z repeated ( I,O,X excepted )
䂓 MARKING
Symbol
㩷㩷㪘㩷㪑 㪪㫅㪆㪧㪹㩷㫇㪸㪺㫂㪸㪾㪼 './Z
㫏 㪧㫉㫆㪻㫌㪺㫋㩷㪭㪼㫉㫊㫀㫆㫅 㩷㩷㪙㩷㪑 㪧㪹㩷㪄㩷㪝㫉㪼㪼㩷㫇㪸㪺㫂㪸㪾㪼
293
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet ELM900x.PDF ] | |
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| Número de pieza | Descripción | Fabricantes |
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