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| TLC59282_15 Datasheet, PDF (5/24 Pages) Texas Instruments – 16-Channel, Constant-Current LED Driver with 4-Channel Grouped Delay | |||
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TLC59282
www.ti.com
SBVS152C â DECEMBER 2010 â REVISED OCTOBER 2011
SWITCHING CHARACTERISTICS
At VCC = 3 V to 5.5 V, TA = â40°C to +85°C, CL = 15 pF, RL = 130 â¦, RIREF = 1.5 kâ¦, and VLED = 5.5 V. Typical values at VCC
= 3.3 V and TA = +25°C, unless otherwise noted.
TLC59282
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
tR0
Rise time
tR1
SOUT (see Figure 5)
OUTn (see Figure 4)
tF0
Fall time
tF1
SOUT (see Figure 5)
OUTn (see Figure 4)
tD0
SCLKâ to SOUTââ
tD1
LATâ or BLANKââ to OUT0/OUT7/OUT8/OUT15 on/off
tD2
LATâ or BLANKââ to OUT1/OUT6/OUT9/OUT14 on/off
tD3
Propagation delay time
LATâ or BLANKââ to OUT2/OUT5/OUT10/OUT13
on/off
5
12 ns
10
30 ns
5
12 ns
10
30 ns
8
20 ns
18
36 ns
38
69 ns
58
102 ns
tD4
LATâ or BLANKââ to OUT3/OUT4/OUT11/OUT12
on/off
78
135 ns
tON_ERR Output on-time error(1)
On/off latch data = all '1', 30 ns BLANK low level
one-shot pulse input
â15
15 ns
(1) Output on-time error (tON_ERR) is calculated by the formula: tON_ERR (ns) = tOUT_ON â BLANK low level one-shot pulse width (TWL2).
tOUT_ON indicates the actual on-time of the constant-current output.
FUNCTIONAL BLOCK DIAGRAM
VCC
SIN
SCLK
VCC
LAT
BLANK
LSB
MSB
16-Bit Shift Register
(1 Bit x 16 Channels)
0
¼
LSB
15
MSB
Output On/Off Data Latch
(1 Bit x 16 Channels)
0
15
¼
SOUT
IREF
GND
GND
16-Channel Constant-Current Sink Driver
with 4-Channel Grouped Delay
OUT0 OUT1
¼
OUT14 OUT15
Copyright © 2010â2011, Texas Instruments Incorporated
Product Folder Link(s): TLC59282
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