SM6803

三合微科股份有限公司 SAMHOP Microelectronics Corp. The information in this document is subject to change without notice. c SAMHOP Microelectronics Corp. All Rights Reserved. 台北縣新店市民權路100號7樓 7F,No.100,Min-Chyuan Road, Hsintien, Taipei Hsien, Taiwan, R.O.C. TEL: 886-2-2218-3978/2820 FAX: 886-2-2218-3320 Email : info@samhop.com.tw SAMHOP Microelectronics Corp. WHITE / BLUE LED DRIVER FOR LI- ION BATTERY APPLICATION GENERAL DESCRIPTION T he 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. Device Name Initial LED Sink Current Max. LED Sink Current 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 LED Number SM6802 SM6803 SM6804 20mA 20mA 20mA 20mA 20mA 20mA 2 3 4 GENERAL APPLICATIONS * Small Size Color LCD Backlights * Mobile Phone, Smart Phone Keypad Backlights. PIN ASSIGNMENTS VDD GND EN/CTRL 1 2 3 5 4 LED1 LED2 VDD GND EN/CTRL 1 2 3 6 5 4 LED1 LED2 LED3 SM6802 SOT-25 SM6803 SOT-26 / TSOP 6 PGND EN/CTRL VDD GND 1 2 3 4 8 7 6 5 LED1 LED2 LED3 LED4 SM6804 MSOP-8 Page 1 V.1.0 July 12,2007 SAMHOP Microelectronics Corp. WHITE / BLUE LED DRIVER FOR LI- ION BATTERY APPLICATION TYPICAL APPLICATION EN/CTRL VDD VDD LED1 Enable and Logic Brightness Control Li-Ion Battery SM6804 LED2 LED3 LED4 GND GND ABSOLUTE MAXIMUM RATINGS Characteristic Input Voltage Output Voltage Voltage at all other pins Maximum Junction Temperature Storage Temperature Range Lead Temperature (soldering,10 seconds) Symbol VDD VLEDn TJ Rating -0.3 ~ 7.0 -0.3 ~ 7.0 -0.3 ~ 5.5 150 -40 ~ 150 260 Unit V V V o o o C C C Note: Exceeding these ratings could cause damage to the device. All voltages are with respect to Ground. Currents are positive into, negative out of the specified terminal. POWER DISSIPATION TABLE Package θ°JA (oCW) TA>25oC Derating factor(mW/oC) TA