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LP3950SL/NOPB Datasheet(PDF) 20 Page - Texas Instruments

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Part # LP3950SL/NOPB
Description  Color LED Driver with Audio Synchronizer
PDF  38 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LP3950SL/NOPB Datasheet(HTML) 20 Page - Texas Instruments

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LP3950
SNVS331C – NOVEMBER 2004 – REVISED APRIL 2013
www.ti.com
RGB Driver Characteristics
(R1, G1, B1, R2, G2, B2 outputs). Limits in standard typeface are for TJ = +25°C. Limits in boldface type apply over the
operating ambient temperature range (
−40°C ≤ TA ≤ +85°C).
Symbol
Parameter
Conditions
Min
Typ
Max
Units
RDS-ON
ON Resistance
3.5
6.0
Ω
ILEAKAGE
Off State Leakage Current
VFB = 5.0V, LED driver off
0.03
1.0
µA
tSMAX
Maximum Slope Period
At Maximum Duty Setting
0.93
s
tSMIN
Minimum Slope Period
At Maximum Duty Setting
31
ms
tSRES
Slope Resolution
At Maximum Duty Setting
62
ms
tSTART/STOP
Start/Stop Resolution
Cycle 1.0s
1/16
s
Duty
Duty Step Size
1/16
tBLINK
Blinking Cycle Accuracy
−6
±3
+6
%
DCYCF
Duty Cycle Range
EN_FLASH = 1
0
99.6
%
DCYC
Duty Cycle Range
EN_FLASH = 0
0
33.2
%
DRESF
Duty Resolution
EN_FLASH = 1 (4-bit)
6.64
%
DRES
Duty Resolution
EN_FLASH = 0 (4-bit)
2.21
%
fPWMF
PWM Frequency
EN_FLASH = 1
20
kHz
fPWM
PWM Frequency
EN_FLASH = 0
6.67
kHz
20
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Copyright © 2004–2013, Texas Instruments Incorporated
Product Folder Links: LP3950



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