LD1048 datasheet(11/27 Pages) LDT

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LD1048 Arkusz danych(PDF) 11 Page - LDT Co., Ltd

11 / 27 page

11/26

LD71D1048C

SD-2003A

10 bit PWM controller / 48 Channel Output LED DRIVER

Package Power Dissipation

The maximum allowable package power dissipation is determined asP

D(max) =(Tj-Ta)/Rth(j-a),

When 48 output channels are tuned on simultaneously, the actual package dissipation is

D(act)= (IDD x VDD) + (Iout x VDS x 48)

Therefore to keep P

D(act)<= PD(max), the allowable maximum output current is

OUT ={[ (Tj-Ta ) / Rth(j-a) ] - (IDDxVDD) } / VDS / 48

Where Tj=150’C

2.0

1.5

1.0

0.5

-25

100

Ambient Temperature, Ta (℃)

IC Mounted Glass Epoxy PCB

Max. Power Dissipation at Various Ambient Temperature

Producent	Numer części	Arkusz danych	Szczegółowy opis
LDT Co., Ltd	LD1048C	450Kb / 28P	10 bit PWM Controller 48Channel Output LED Driver

Producent	Numer części	Arkusz danych	Szczegółowy opis
System Logic Semiconduc...	SL70D0948	149Kb / 17P	48 OUTPUT LED DRIVER / 9 BIT PWM CONTROLLER
LDT Co., Ltd	LD1071	554Kb / 36P	16 Channel Output LED Driver
LDT Co., Ltd	LD1512	1Mb / 39P	12 Channel Output LED Driver
Texas Instruments	TLC59581	525Kb / 28P	[Old version datasheet] 48-Channel, 16-Bit ES-PWM LED Driver
Gamewell-FCI by Honeywe...	1100-0503	60Kb / 1P	ANU-48 LED Driver Module
Linear Technology	LT8500	624Kb / 10P	48-Channel LED Driver with PWM Generator and Serial Interface
Linear Technology	LT3496	263Kb / 20P	Triple Output LED Driver
Hynix Semiconductor	GM6486	91Kb / 7P	33 OUTPUT LED DRIVER
Linear Technology	LT3496	343Kb / 20P	Triple Output LED Driver
SHENZHEN FUMAN ELECTRON...	FM6153S	701Kb / 17P	16-channel PWM constant current output LED driver IC

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