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TLC5971RGET Datasheet(PDF) 6 Page - Texas Instruments

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Part # TLC5971RGET
Description  12-Channel 16-Bit, Enhanced Spectrum PWM, RGB LED Driver with 3.3-V Linear Regulator
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TLC5971RGET Datasheet(HTML) 6 Page - Texas Instruments

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TLC5971
SBVS146 – AUGUST 2010
www.ti.com
SWITCHING CHARACTERISTICS
At TA = –40°C to +85°C, VCC = 6 V to 17 V or VCC = VREG = 3 V to 5.5 V, CVREG = 1 µF, CL = 15 pF, RL = 68 Ω, and VLED =
5 V, unless otherwise noted. Typical values are at TA = +25°C and VCC = 12 V.
TLC5971
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
tR0
Rise time, SDTO/SCKO
3
10
ns
tR1
Rise time, OUTXn
BCX = 7Fh
5
15
ns
tF0
Fall time, SDTO/SCKO
3
10
ns
tF1
Fall time, OUTXn
BCX = 7Fh
15
25
ns
tD0
SCKI
↑ to SDTO↑↓
10
25
60
ns
tD1
SCKI
↑ to SCKO↑
5
15
40
ns
tD2
(1)
SCKO
↑ to SDTO↑↓
5
10
20
ns
SCKI
↑ to OUTRn↑↓, BLANK = 0, BCXn = 7Fh,
OUTTMG = 1
tD3
10
25
60
ns
Or SCKI
↓ to OUTRn↑↓, BLANK = 0, BCXn =
7Fh, OUTTMG = 0
SCKI
↑ to OUTGn↑↓, BLANK = 0, BCXn = 7Fh,
Propagation delay
OUTTMG = 1
tD4
25
50
90
ns
Or SCKI
↓ to OUTGn↑↓, BLANK = 0, BCXn =
7Fh, OUTTMG = 0
SCKI
↑ to OUTBn↑↓, BLANK = 0, BCXn = 7Fh,
OUTTMG = 1
tD5
40
75
120
ns
Or SCKI
↓ to OUTBn↑↓, BLANK = 0, BCXn =
7Fh, OUTTMG = 0
16384/fO
tD6
(2)
Last SCKI
↑ to internal latch pulse genaration
8/fOSC
sec
SC
Shift clock output one pulse
tW(SCKO)
SCKO
↑ to SCKO↓
12
25
35
ns
width
fOSC
Internal oscillator frequency
6
10
12
MHz
(1)
The propagation delays are calculated by tD2 = tD0 – tD1.
(2)
The generation timing of the internal latch pulse changes depending on the SCKI clock frequency; see the Internal Latch Pulse
Generation Timing section.
6
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Copyright © 2010, Texas Instruments Incorporated
Product Folder Link(s): TLC5971


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