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TLC5949PWPR Datasheet(PDF) 6 Page - Texas Instruments

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Part # TLC5949PWPR
Description  16-Channel, 12-Bit, ES-PWM, Full Self-Diagnosis LED Driver for 7-Bit Global BC LED Lamp
PDF  51 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TLC5949PWPR Datasheet(HTML) 6 Page - Texas Instruments

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TLC5949
SBVS219A – DECEMBER 2012 – REVISED DECEMBER 2012
www.ti.com
SWITCHING CHARACTERISTICS (See Figure 4, Figure 5, and Figure 8 through Figure 11)
At TA = –40°C to +85°C, VCC = 3 V to 3.6 V, CL = 15 pF, RL = 82 Ω, RIREF = 1.1 kΩ, and VLED = 5.0 V, unless otherwise noted.
Typical values are at VCC = 3.3 V and TA = +25°C.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
tR0
SOUT
5
ns
Rise time
tR1
OUTn and BC = 7Fh
13
ns
tF0
SOUT
5
ns
Fall time
tF1
OUTn and BC = 7Fh
23
ns
tD0
SCLK
↑ to SOUT↑↓
15
25
ns
tD1
LAT
↑ for BLANK = 1 and OUT0, OUT7, OUT8, and OUT15 off
40
75
ns
tD2
GSCLK
↑ to OUT0, OUT7, OUT8, and OUT15 on/off with BC = 7Fh
5
36
65
ns
tD3
GSCLK
↑ to OUT1, OUT6, OUT9, and OUT14 on/off with BC = 7Fh
20
62
97
ns
tD4
GSCLK
↑ to OUT2, OUT5, OUT10, and OUT13 on/off with BC = 7Fh
35
88
129
ns
Propagation delay
tD5
GSCLK
↑ to OUT3, OUT4, OUT11, and OUT12 on/off with BC = 7Fh
50
114
161
ns
LAT
↑ to power-save mode by writing data for OUTn off with BLANK = 1
tD6
200
ns
and PSMODE = 110
SCLK
↑ to normal mode with PSMODE = 101 or LAT ↑ to normal mode
tD7
50
µs
by writing GS data for OUTn on with BLANK = 1 and PSMODE = 110
tOUTON – tGSCLK, GSn = 001h, GSCLK = 33 MHz,
tON_ERR
Output on-time error(1)
–20
10
ns
BC = 7Fh, TA = +25°C
(1)
Output on-time error (tON_ERR) is calculated by the formula: tON_ERR = tOUT_ON – tGSCLK. tOUTON is the actual on-time of the constant-
current driver. tGSCLK is the GSCLK period.
6
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Copyright © 2012, Texas Instruments Incorporated
Product Folder Links: TLC5949



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