I7110 Datasheet, PDF (13/17 Pages) List of Unclassifed Manufacturers – 300 Mbps LED Drivers

5 Typical Application Circuits
5.1 QSSOP16 Application Circuit
R4 Rn
R5 Rp
U1
1 _PWAN
2 _PWAP
GND ¹⁶
DISA ¹⁵
DIN+
3
DINP
14
IOUTB
DIN-
4 _DINN
IOUT ¹³
C6 10nF 5 _VREF
IOUT ¹²
R8
Rset1
6
R6 Rset2
7
VCC
8
C4
C5
REST2
REST1
VDDA
11
PEAK
VDDC ¹⁰
VDDD ⁰⁹
0.01uF 0.1uF
i7110_QSOP16
i7110
VCC
R1
22R
VCC
C6
0.1uF
D1
LED
R2
C1
VCC
C2
0.1uF
C3
0.01uF
undershoot / overshoot can be optimized by C1 & R2.
Typical C1=20pF ; R2=0 ohm @3V.
Typical C1=10pF ; R2=100 ohm @5V.
Rest2 : Temperature compensation adjustment.
Rest1 : Set nominal LED drive current.
Rn & Rp : Pulse width adjustment.
Figure 13.
© 2005 iCreate Technologies Corporation
Page 11
APD-8011-001