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TLC5948APWPR.B Datasheet(PDF) 6 Page - Texas Instruments

Part # TLC5948APWPR.B
Description  16-Channel, 16-Bit, ES-PWM, Full Self-Diagnosis LED Driver for 7-Bit DC and 7-Bit Global BC LED Lamp
PDF  54 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

TLC5948APWPR.B Datasheet(HTML) 6 Page - Texas Instruments

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TLC5948A
SBVS192A – MARCH 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 5.5 V, CL = 15 pF, RL = 82 Ω, RIREF = 1.1 kΩ, and VLED = 5.0 V.
Typical values at VCC = 3.3 V and TA = +25°C, unless otherwise noted.
TLC5948A
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
tR0
SOUT
5
ns
Rise time
tR1
OUTn, DCn and BC = 7Fh
13
ns
tF0
SOUT
5
ns
Fall time
tF1
OUTn, DCn and BC = 7Fh
23
ns
tD0
SCLK
↑ to SOUT↑↓
15
25
ns
tD1
LAT
↑ for BLANK = 1 set to OUT0, 7, 8, and 15 off
40
75
ns
tD2
GSCLK
↑ to OUT0, 7, 8, and 15 on/off with DCn and BC = 7Fh
5
36
65
ns
tD3
GSCLK
↑ to OUT1, 6, 9, and 14 on/off with DCn and BC = 7Fh
20
62
97
ns
tD4
GSCLK
↑ to OUT2, 5, 10, and 13 on/off with DCn and BC = 7Fh
35
88
129
ns
Propagation delay
tD5
GSCLK
↑ to OUT3, 4, 11, and 12 on/off with DCn and BC = 7Fh
50
114
161
ns
LAT
↑ to power-save mode by writing data for OUTn off with
tD6
200
ns
BLANK = 1 and PSMODE = 110
SCLK
↑ to normal mode with PSMODE = 101 or LAT ↑ to normal
tD7
mode by writing GS data for OUTn on with BLANK = 1 and
50
µs
PSMODE = 110
tOUTON – tGSCLK, GSn = 0001h, GSCLK = 33 MHz,
tON_ERR
Output on-time error(1)
–20
10
ns
DCn and 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: TLC5948A



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