TLC5926 Datasheet, PDF (8/29 Pages) Texas Instruments – 16-CHANNEL CONSTANT-CURRENT LED SINK DRIVERS

TLC5926, TLC5927
SLVS677 – JULY 2008 ....................................................................................................................................................................................................... www.ti.com
Electrical Characteristics
V_DD = 3 V, T_J = –40°C to 125°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
V_O
Supply voltage to the output pins
I_O
Output current
V_O ≥ 0.6 V
V_O ≥ 1 V
V_IH
High-level input voltage
V_IL
Low-level input voltage
I_leak
Output leakage current
V_OH = 17 V
T_J = 25°C
T_J = 125°C
V_OH
High-level output voltage
SDO, I_OL = –1 mA
V_OL
Low-level output voltage
SDO, I_OH = 1 mA
Output current 1
V_OUT = 0.6 V, R_ext = 720 Ω,
CG = 0.992
I_O(1)
Output current error, die-die
I_OL = 26 mA, V_O = 0.6 V,
R_ext = 720 Ω, T_J = 25°C
Output current error,
channel-to-channel
I_OL = 26 mA, V_O = 0.6 V,
R_ext = 720 Ω, T_J = 25°C
Output current 2
V_O = 0.8 V, R_ext = 360 Ω,
CG = 0.992
I_O(2)
I_OUT vs
V_OUT
I_OUT vs V_DD
Output current error, die-die
Output current error,
channel-to-channel
Output current vs
output voltage regulation
Output current vs supply voltage
Pullup resistance
I_OL = 52 mA, V_O = 0.8 V,
R_ext = 360 Ω, T_J = 25°C
I_OL = 52 mA, V_O = 0.8 V,
R_ext = 360 Ω, T_J = 25°C
V_O = 1 V to 3 V, I_O = 26 mA
V_DD = 3.0 V to 5.5 V,
I_O = 26 mA/120 mA
OE(ED2)
T_sd
T_hys
I_OUT,Th
Pulldown resistance
Overtemperature shutdown⁽¹⁾
Restart temperature hysteresis
Threshold current for open error
detection
LE(ED1)
I_OUT,target = 5 mA to 120 mA
V_OUT,TTh
Trigger threshold voltage for
short-error detection
(TLC5927 only)
I_OUT,target = 5 mA to 120 mA
V_OUT,RTh
Return threshold voltage for
short-error detection
(TLC5927 only)
I_OUT,target = 5 mA to 120 mA
I_DD
Supply current
OUT0–OUT15 = off, R_ext = Open, OE
= V_IH
OUT0–OUT15 = off, R_ext = 720 Ω,
OE = V_IH
OUT0–OUT15 = off, R_ext = 360 Ω,
OE = V_IH
OUT0–OUT15 = off, R_ext = 180 Ω,
OE = V_IH
OUT0–OUT15 = on, R_ext = 720 Ω,
OE = V_IL
OUT0–OUT15 = on, R_ext = 360 Ω,
OE = V_IL
OUT0–OUT15 = on, R_ext = 180 Ω,
OE = V_IL
(1) Specified by design
MIN
5
0.7 × V_DD
GND
TYP
V_DD – 0.4
26
52
±0.1
±1
250
500
250
500
150
175
15
0.5 × I_target
2.4
2.6
2.2
MAX UNIT
17 V
mA
120
V_DD
V
0.3 × V_DD
0.5
µA
1
V
0.4 V
mA
±6 %
±6 %
mA
±6 %
±6 %
%/V
800 kΩ
800 kΩ
200 °C
°C
%
3.1 V
V
10
14
18
20 mA
14
18
20
8
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