TLC5926-Q1 Datasheet, PDF (9/27 Pages) Texas Instruments – 16-CHANNEL CONSTANT-CURRENT LED SINK DRIVERS

TLC5926-Q1
TLC5927-Q1
www.ti.com ......................................................................................................................................................................................... SLVS973 – SEPTEMBER 2009
ELECTRICAL CHARACTERISTICS
V_DD = 5.5 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
TLC5926, V_OH = 17 V
TLC5927, V_OH = 17 V
T_J = 25°C
T_J = 125°C
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-to-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)
Output current error,
die-to-die
I_OL = 52 mA, V_O = 0.8 V, R_ext = 360 Ω, T_J = 25°C
Output current error,
channel-to-channel
I_OL = 52 mA, V_O = 0.8 V, R_ext = 360 Ω, T_J = 25°C
I_OUT vs V_OUT
Output current vs
output voltage regulation
V_O = 1 V to 3 V, I_O = 26 mA
I_OUT vs V_DD
Output current vs supply
voltage
V_DD = 3 V to 5.5 V, I_O = 26 mA/120 mA
Pullup resistance
OE(ED2)
Pulldown resistance
LE(ED1)
T_sd
Overtemperature
shutdown ⁽¹⁾
T_hys
Restart temperature
hysteresis
I_OUT,Th
Threshold current for
open error detection
I_OUT,target = 5 mA to 120 mA
V_OUT,TTh
Trigger threshold voltage
for short-error detection I_OUT,target = 5 mA to 120 mA
(TLC5927 only)
V_{OUT, RTh}
Return threshold voltage
for short-error detection I_OUT,target = 5 mA to 120 mA
(TLC5927 only)
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
I_DD
Supply current
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
V_DD – 0.4
TYP
MAX UNIT
17 V
mA
120
V_DD
V
0.3 × V_DD
0.5
1
μA
0.5
5
V
0.4 V
26
mA
±6 %
±6 %
52
mA
±6 %
±6 %
±0.1
±1
250 500
250 500
150 175
%/V
800 kΩ
800 kΩ
200 °C
15
0.5 ×
I_target
2.3 2.6
°C
%
3.2 V
1.9
V
11
17
18
25 mA
17
18
25
Copyright © 2009, Texas Instruments Incorporated
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