SP7618EB Exar Corporation, SP7618EB Datasheet
SP7618EB
Specifications of SP7618EB
Related parts for SP7618EB
SP7618EB Summary of contents
Page 1
... SP7618 2 LED Pin DFN EN 4 APPLICATIONS ■ Next Generation Mobile Phones ■ PDA, DSC, MP3 Players ■ Handheld Computers ■ LCD Display Modules ■ Keyboard Backlight GENERAL DESCRIPTION TYPICAL APPLICATION CIRCUIT Constant Current LED Driver SP7618 8 GNDP 7 GNDP 6 GND 5 CTRL © 2006 Sipex Corporation ...
Page 2
Supply Voltage (Vcc) .………………………..6.0V Input Voltage at any input .….-0.6V to Vcc +0.5V 8-pin DFN Package Thermal Resistance................................ 59 Junction Temperature .......... -40 Storage Temperature ..………...-65°C to +50°C Soldering Temperature ...………………+240°C** *) Internally limited **) Duration 0s maximum Ambient temperature ...
Page 3
Notes (Continued from previous page) . Vcc must be always higher than LED pin voltage (V 2. After 4s at current higher than 266 mA 3. Power MOSFET leakage current 4. Three initial current steps are higher than other 28 ...
Page 4
Load regulation at Vcc = 5.5V @ 25°C 200 000 800 600 400 200 0 Load regulation at Vcc = 5.5V @ 25°C 00 050 000 950 900 850 800 750 700 0 Load ...
Page 5
Date: Dec 5-06 Rev Number of pulses DAC linearity 500mV led 3 3.5 ...
Page 6
Introduction The SP76 linear low-side, constant- current driver designed to drive high power LEDs from an input voltage rail. The design consists of a regulator reference voltage source, DAC, voltage-to-current converter, thermal shutdown, timeout shutdown, and output driver. ...
Page 7
Output Driver The SP768 features a low-side regulated output current driver. A large MOSFET device is connected between the LED and GNDP pins. The MOSFET drain is connected to the LED pins and the MOSFET source is connected to the ...
Page 8
To obtain the best performance from the SP768, a printed circuit board with ground plane is required. High quality, low series resistance ceramic µF bypass capacitors should be used at the Vcc pin (pin 3). These capacitors must be located ...
Page 9
Date: Dec 5-06 Rev E Constant Current LED Driver 9 PACKAGE: 8 PIN DFN © 2006 Sipex Corporation ...
Page 10
Part Number Operating Temperature Range SP768ER-L...................................-40°C to +85°C ............................Lead Free 8 Pin DFN SP768ER-L/TR ...... ......................-40°C to +85°C ............................Lead Free 8Pin DFN /TR = Tape and Reel Pack quantity is 3,000 for DFN. Solved by Sipex Corporation Headquarters and Sales ...