AN32055A Datasheet, PDF (10/97 Pages) Panasonic Semiconductor – 7 x 7 Dots Matrix LED Driver LSI with Step-up DC/DC Converter for White LED

Doc No. TA4-EA-04511
Revision. 2
Product Standards
AN32055A
ELECTRICAL CHARACTERISTICS (continued)
VB = VBDCDC = VBLED = 3.6 V, VLED1 = VLED2 = 4.9 V
Note) T_a = 25 C  2 C unless otherwise specified.
Parameter
Symbol
Condition
Min
Limits
Typ
Max ^{Unit Note}
Current generator (For 7*7 dots matrix LED)
Output current (1)
Output current (2)
Output current (3)
Output current (4)
Output current (5)
Leak current at the time of
OFF
The error between channels
IMX1
IMX2
IMX4
IMX8
IMX15
IMXOFF
IMXCH
At 1mA setup
V_{X0, X1, X2, X3, X4, X5, X6} = 1 V
IMX1 = I_{X0, X1, X2, X3, X4, X5, X6}
0.920 1.000 1.080 mA *2
At 2 mA setup
V_{X0, X1, X2, X3, X4, X5, X6} = 1 V
IMX2 = I_{X0, X1, X2, X3, X4, X5, X6}
1.858 2.019 2.181 mA *2
At 4 mA setup
V_{X0, X1, X2, X3, X4, X5, X6} = 1 V
IMX4 = I_{X0, X1, X2, X3, X4, X5, X6}
3.742 4.068 4.393 mA *2
At 8 mA setup
V_{X0, X1, X2, X3, X4, X5, X6} = 1 V
IMX8 = I_{X0, X1, X2, X3, X4, X5, X6}
7.480 8.131 8.781 mA *2
At 15 mA setup
V_{X0, X1, X2, X3, X4, X5, X6} = 1 V 14.220 15.456 16.693 mA *2
IMX15 = I_{X0, X1, X2, X3, X4, X5, X6}
Current OFF setup
V_{X0, X1, X2, X3, X4, X5, X6}
= 4.75 V
IMXOFF


1 A 
= I_{X0, X1, X2, X3, X4, X5, X6}
The average value of all
channels, and the current
–5

error of each channel
5

*2: Values when recommended parts (ERJ2RHD273X) are used for IREF terminal. The other current settings are combination
of above items.
Established : 2006-08-29
Revised : 2013-04-01
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