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SM6804 Datasheet(PDF) 2 Page - SamHop Microelectronics Corp.

Part # SM6804
Description  WHITE / BLUE LED DRIVER FOR LI- ION BATTERY APPLICATION
PDF  13 Pages
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Manufacturer  SAMHOP [SamHop Microelectronics Corp.]
Direct Link  http://www.samhop.com.tw
Logo SAMHOP - SamHop Microelectronics Corp.

SM6804 Datasheet(HTML) 2 Page - SamHop Microelectronics Corp.

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SAMHOP Microelectronics Corp.
WHITE / BLUE LED DRIVER FOR LI- ION BATTERY APPLICATION
The SM6802/ SM6803/ SM6804 are White/Blue
LED Driver for Li-Ion Battery Application. No
external component is required. Especially good for
use Li-ion battery powered LCD display's backlight
white LEDs. The special circuit design provides
over 90% efficiency in low noise.
The SM6802/SM6803/SM6804 is Integrated with
16-step programmable output sink current for LEDs
brightness control.
Target end applications are color LCD display,
such as mobile phone with color display, smart
phone, PDA, etc.
PIN ASSIGNMENTS
GENERAL DESCRIPTION
FEATURES
* No external component required.
* Programmable output current control, programming
range 25% to 100% in 16 steps for LED brightness
control.
* Initial LED sink current 20 mA
* 2channels (SOT-25), 3 channels (SOT-26/TSOP 6),
4 channels (MSOP-8) available.
* 90% efficiency
* Supply voltage range 3.0 V ~ 5.0 V
* 0.1uA standby current
GENERAL APPLICATIONS
SM6802
2
Device
Name
LED
Number
20mA
Max. LED
Sink Current
20mA
Initial LED
Sink Current
* Small Size Color LCD Backlights
* Mobile Phone, Smart Phone Keypad Backlights.
SM6803
3
20mA
20mA
SM6804
4
20mA
20mA
SOT-26 / TSOP 6
1
3
2
VDD
EN/CTRL
GND
LED1
LED3
LED2
6
4
5
SM6803
MSOP-8
1
3
2
PGND
VDD
EN/CTRL
LED1
LED3
LED2
8
6
7
SM6804
LED4
GND
4
5
SOT-25
1
3
2
VDD
EN/CTRL
GND
LED1
LED2
5
4
SM6802
Page 1
V.1.0 July 12,2007



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