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XRP7620EVB Datasheet(PDF) 4 Page - Exar Corporation

Part No. XRP7620EVB
Description  4-Channel Adjustable Current I2C Controlled LED Driver
Download  11 Pages
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

XRP7620EVB Datasheet(HTML) 4 Page - Exar Corporation

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© 2009 Exar Corporation
4/11
Rev. 1.0.0
Note 3: Ling regulation is calculated by this equation:
%
100
1
1
2
×
Δ
×
V
I
I
I
AVG
Where I1 and I2 is the current at different VIN.
Note 4: Guaranteed by design.
Note 5: Cb = total capacitance of one bus line in pF. tR and tF measured between 0.3 x VDD and 0.7 x VDD.
Note 6: ISINK ≤6mA. Cb =total capacitance of one bus line in pF. tR and tF measured between 0.3 x VDD and 0.7 VDD.
Note 7: Input filters on the SDA and SCL inputs suppress noise spikes less than 50ns.
BLOCK DIAGRAM
Fig. 3: XRP7620 Block Diagram
PIN ASSIGNEMENT
VIN
1
SDA
SCL
GND
2
3
4
LED1
LED2
LED3
LED4
5
6
7
8
DFN-8L
2mm x 3mm
Fig. 4: XRP7620 Pin Assignement


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