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PDF S8200 Data sheet ( Hoja de datos )
| Número de pieza | S8200 | |
| Descripción | Linear LED Driver IC | |
| Fabricantes | KODENSHI | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de S8200 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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S8200
Linear LED Driver IC
◈ Description
The S8200 is an integrated adjustable constant-current source, driving loads up to 150mA, The output current level
can be adjusted via an external resistor. The integrated SHDN input of the S8200 permits LED brightness
regulation by pulse width modulation (PWM), with the SHDN input, the LED brightness can be regulated via duty
cycle. Also, SHDN low sets the S8200 in sleep mode, the SHDN pin also can be used as an enable input.
This discrete integration technology eliminates individual components by combining them into a single package,
which results in a significant reduction of both system cost and board space. The device is a small surface mount
package (SOT-25)
◈ Features
• Supplies stable bias current for LEDs
• LED drive current adjustable via single external resistor (Max 150mA)
• Low Cost, Low External Parts Count
• Small Surface-Mount SOT-25 Package
• Halogen-Free Package is Available
◈ Pin Assignment & Description
FB 1
GND 2
SHDN 3
5 OUTPUT
4 VCC
Package : SOT-25
Pin Symbol
1 FB
2 GND
3 SHDN
4 VCC
5 OUTPUT
Description
Feedback / 0.6V Reference
Ground
Disable On/Off
Power Supply
Open Collector Output
◈ Ordering Information
Package Type
SOT-25
※ □ : Year&Week Code
Device Name
S8200
Marking
82□ ※
KSD-I5O006-003
1
1 page  
◈ Typical Applications
D1
D2 VS > 25V
DN
54
OUTPUT
VCC
S8200
FB GND SHDN
123
RFB
S8200
D1
D2 VS > 25V
DN-1
DN
54
OUTPUT
VCC
S8200
FB GND SHDN
123
RFB
<APP4. High Voltage Operation of S8200 (1) >
<APP5. High Voltage Operation of S8200 (2) >
For operation in excess of S8200 specified maximum voltage (VCC & VOUT) of 25V, one way is
to connect a sufficient number of LEDs between the power supply voltage and the DC input of
the VCC&VOUT (pin 4, 5) such that the voltage seen at pin 4, 5 is less than 25V.
That is to say, use additional LEDs to drop the voltage fed to the S8200 below its maximum
rating, in the usual way. Refer to APP4,5 Note that the exact number of diodes required will
depend on the supply voltage VCC and output voltage VOUT ,the voltage drops across the
particular LEDs being used. (Red, Blue and White LEDs have different forward voltage drop.)
Use enought LEDs such that voltage at pin4,5 of S8200 is < 25V
※ Attention : When VS uses to exceed 25V, Dimming functions the use is impossible.
KSD-I5O006-003
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet S8200.PDF ] | |
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