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| TLC59284 Datasheet, PDF (5/23 Pages) Texas Instruments – 16-Channel, Constant-Current LED Driver with Switching Delay | |||
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TLC59284
www.ti.com
SBVS208A â OCTOBER 2012 â REVISED OCTOBER 2012
SWITCHING CHARACTERISTICS
All minimum and maximum specifications are at TA = â40°C to +85°C, VCC = 3 V to 5.5 V, CL = 15 pF, RL = 110 â¦,
RIREF = 1.5 kâ¦, and VLED = 5.0 V, unless otherwise noted. Typical values are at TA = +25°C and VCC = 3.3 V.
TLC59284
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
tR0
Rise time
tR1
SOUT (see Figure 7)
OUTn (see Figure 6)
tF0
Fall time
tF1
SOUT (see Figure 7)
OUTn (see Figure 6)
tD0
SCLKâ to SOUTââ
tD1
Propagation delay time
LATâ or BLANKââ to OUT0 on or off, TA = +25°C
tD2
Grouped OUTn on or off to next group on or off,
TA = +25°C
tON_ERR Output on-time error(1)
Output on or off latch data = all '1', 50-ns BLANK GND
level pulse, VCC = 3.3 V, TA = +25°C
â45
3
10
44
3
10
44
11
20
60
100
2
45
UNIT
ns
ns
ns
ns
ns
ns
ns
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.
PIN CONFIGURATIONS
DBQ PACKAGE
SSOP-24 AND QSOP-24
(TOP VIEW)
GND 1
SIN 2
SCLK 3
LAT 4
OUT0 5
OUT1 6
OUT2 7
OUT3 8
OUT4 9
OUT5 10
OUT6 11
OUT7 12
24 VCC
23 IREF
22 SOUT
21 BLANK
20 OUT15
19 OUT14
18 OUT13
17 OUT12
16 OUT11
15 OUT10
14 OUT9
13 OUT8
Copyright © 2012, Texas Instruments Incorporated
Product Folder Links: TLC59284
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