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LD1048 Datasheet(PDF) 12 Page - LDT Co., Ltd

Part No. LD1048
Description  48 Channel Output LED DRIVER
Download  27 Pages
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Maker  LDT [LDT Co., Ltd]
Homepage  http://www.ldt.co.kr/
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LD1048 Datasheet(HTML) 12 Page - LDT Co., Ltd

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LD71D1048C
SD-2003A
10 bit PWM controller / 48 Channel Output LED DRIVER
Load Supply Voltage (V
LED)
V
LED
V
DROP
Vf
LD71D1048C
V
DS
V
LED
V
DROP
Vf
LD71D1048C
V
DS
LD71D1048C are disigned to operate with V
DS ranging from 0.7V to 1.5V considering the
package power dissipating limits. V
DS may be higher enough to make PD(act) > PD(max) When
V
LED = 5V and VDS –Vf , in whitch VLED is the load supply voltage. In this case, it is
recommended to use the lowest possible supply voltage or to set an external voltage reducer
(V
DROP).
A Voltage reduce lets V
DS = (VLED-Vf) - VDROP.
Resisters, or Zener diode can be used in the applications as the following figures.


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