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SM6802 Datasheet(PDF) 2 Page - SamHop Microelectronics Corp. |
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SM6802 Datasheet(HTML) 2 Page - SamHop Microelectronics Corp. |
2 / 13 page 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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