S1F76680 Epson Electronics America, Inc., S1F76680 Datasheet - Page 18

• Manufacturer Part Number: S1F76680
• Description: Led Driver
• Manufacturer: Epson Electronics America, Inc.

7. OPERATIONAL AND FUNCTIONAL DESCRIPTION
VPD for brightness evaluation.
14
The appropriate RPD is determined by the characteristic of the luminance sensor being used and this IC’s
The following table shows IPDs for brightness evaluation with sense resistor RPD=100kΩ.
VPD1=0.003
VPD2=0.004
VPD3=0.006
VPD4=0.010
VPD5=0.016
VPD6=0.026
VPD7=0.040
VPD8=0.063
VPD9=0.079
VPD10=0.126
VPD11=0.173
VPD12=0.299
VPD13=0.472
VPD14=0.787
VPD15=1.197
VPD(V)
Brightness 10
Brightness 11
Brightness 12
Brightness 13
Brightness 14
Brightness 15
Brightness 16
Brightness 1
Brightness 2
Brightness 3
Brightness 4
Brightness 5
Brightness 6
Brightness 7
Brightness 8
Brightness 9
Bright
ness 1 ness 2 ness 3
Bright
Bright・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・Bright
Brightness
(high sensor current)
(low sensor current)
EPSON
Bright
Dark
VPD(mV)
RPD(kΩ)
100
S1F76680 Technical Manual (Rev.1.22)
Brightness is judged. IPD(µA)
IPDn=VPDn/RPD
ness 15 ness 16
IPD1=0.03
IPD2=0.04
IPD3=0.06
IPD4=0.10
IPD5=0.16
IPD6=0.26
IPD7=0.40
IPD8=0.63
IPD9=0.79
IPD10=1.26
IPD11=1.73
IPD12=2.99
IPD13=4.72
IPD14=7.87
IPD15=11.97
Bright