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PIN DESCRIPTION
Thin QFN-16 3mmx3mm
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Name
EN
CTR0
CTR1
CTR2
RSET
VOUT
VIN
C1+
C1-
C2-
C2+
GND
LED4
LED3
LED2
LED1
Description
Enable Input, Active High
Digital Control Input 0
Digital Control Input 1
Digital Control Input 2
Set Resistance
Charge pump output connected to the LED anodes
Supply Voltage
Bucket Capacitor 1 Terminal
Bucket Capacitor 1 Terminal
Bucket Capacitor 2 Terminal
Bucket Capacitor 2 Terminal
Ground Reference
LED4 Cathode Terminal
LED3 Cathode Terminal
LED2 Cathode Terminal
LED1 Cathode Terminal
ELECTRICAL SPECIFICATIONS
Absolute Maximum Ratings
These are stress ratings only and functional operation is not implied. Exposure to absolute maximum ratings for
prolonged time periods may affect device reliability. All voltages are with respect to ground.
V IN , V OUT , LEDx, Pin Voltage............. -0.3V to 6V
EN, CTRx Pin Voltage ..................... -0.3V to V IN
RSET Pin Voltage ........................... -0.3V to V IN
Ambient Temperature Range ..... -40oC to +85oC
Recommended Operating Conditions
Vin ........................................ +2.7V to +5.5V
Input/Output/Bucket Capacitors...1±20%μF(typ)
Thermal Information
Storage Temperature Range .... -65oC to +160oC
Lead Temperature ................................. 300oC
ESD Ratings – Human Body Model ........... 2000V
Ambient Temperature ...............-40oC to +85oC
ILED per LED ..............................0mA to 30mA
Parameter
Thermal Resistance (Junction to Ambient)
Power Dissipation P D @T A =25oC
Symbol
θ JA
P D
Package
TQFN-16
TQFN-16
Max
34
2.9
Unit
oC
W
Rev. C – 10/31/2007
SP6887 4 Channel WLED Driver
3/10
? 2007 Exar Corporation
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