LD1048 datasheet(22/27 Pages) LDT | 48 Channel Output LED DRIVER

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LD71D1048C

SD-2003A

10 bit PWM controller / 48 Channel Output LED DRIVER

COUT[48:1]

BRD[2]=1

PW = 1023 * OSC1

SCAN = 63+ (2 x PW)

COLUMN DRIVER TIMING DIAGRAM

BRIGHTNESS CONTROL(1)

FUNCTIONAL DESCRIPTION (continued)

63 *OSC1

COUT[48:1]

BRD[2]=0

PW = 1023 * OSC1

SCAN = 63 + (2 x PW)

63 *OSC1

MASK

1

PW

2

MASK

1

PW

BRD[2] Control PWM Mask Time

When BRD[2]=1, two PW outout become on

When BRD[2]=0 , one of two PW output become off

ON

OFF

ON

OFF

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