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S P 7 6 1 6
H i g h A c c u r a c y 4 - C h a n n e l L o w S i d e L E D D r i v e r f o r
C C F L R e p l a c e m e n t
PIN ASSIGNMENT
Fig. 3: SP7616 Pin Assignment
PIN DESCRIPTION
Name
VIN
PWM
ISET
GND
LED1-4
Pin Number
1
2
3
4
5-8
Description
Input voltage for the IC. Connect a 1uF decoupling capacitor between this pin and
ground.
This pin must be held high to enable the output drivers. It can be used for PWM
dimming up to 5 kHz.
Connect resistor RSET from this pin to ground to set output current. Pulling this pin
above the shutdown threshold stated in the Electrical Specifications puts the IC into
shutdown mode.
Ground return for LED currents and circuitry of the SP7616.
Connect an LED between each pin and V IN . Current value is controlled by RSET. The
current level through each pin is internally matched within 3%. Connect unused
channel(s) to GND to save current consumption.
ORDERING INFORMATION
Part Number
SP7616ER-L
SP7616ER-L/TR
Temperature
Range
-40°C ≤ T J ≤ +125°C
-40°C ≤ T J ≤ +125°C
Marking
Package
8pin 2x3DFN
8pin 2x3DFN
Packing
Quantity
Bulk
3K/Tape & Reel
Note 1
Lead Free and/or
Halogen Free
Lead Free and/or
Halogen Free
Note 2
SP7616EB
SP7616 Evaluation Board
“YY” = Year – “WW” = Work Week – “X” = Lot Number
? 2009 Exar Corporation
4/11
Rev. 2.0.4
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