LP5891
www.ti.com.cn
ZHCSQG6A –MARCH 2022 –REVISED MAY 2022
6.5 Electrical Characteristics (continued)
At VCC = VR = 2.8 V, VG/B = 3.8 V, TA = –40°C to +85°C for LP5891RRFR and LP5891ZXLR while TA = –40°C to +125°C
for LP5891MRRFR; Typical values are at TA = 25°C (unless otherwise specified)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VLEDR/G/B ≥2.8 V, all channel
outputs on, output current at 1 mA
0.25
V
VLEDR/G/B ≥2.8 V, all channel
outputs on, output current at 5 mA
0.26
0.3
V
V
VLEDR/G/B ≥2.8 V, all channel
outputs on, output current at 10 mA
Channel knee voltage (R0-R15 /
G0-G15 / B0-B15)
VKNEE
VLEDR/G/B ≥2.8 V, IMAX = 1b, all
channel outputs on, output current at
15 mA
0.37
V
VLEDR/G/B ≥2.8 V, IMAX=1b, all
channel outputs on, output current at
20 mA
0.41
1
V
Channel leakage current (R0-
R15 / G0-G15 / B0-B15)
ICH(LKG)
Channel voltage at 0 V
uA
All CHn = on, BC = 00h, CC = 31h,
VOUTn = (VLED-1)V, RIREF = 19.05
kΩ(ICH = 0.2-mA target), TA = 25°C,
includes the VIREF tolerance, at
same color grouped outputs of R0-
R15 / G0-G15 / B0-B15
±1
±0.5
±0.5
±0.5
±0.5
±2.5
±1.5
±1.5
±2
%
%
%
%
%
All CHn = on, BC = 00h, CC = 7Dh,
VOUTn = (VLED-1)V, RIREF = 19.05
kΩ(ICH = 0.5-mA target), TA = 25°C,
includes the VIREF tolerance, at
same color grouped outputs of R0-
R15 / G0-G15 / B0-B15
All CHn = on, BC = 00h, CC = FBh,
VOUTn = (VLED-1)V, RIREF = 19.05
kΩ(ICH = 1-mA target), TA = 25°C,
includes the VIREF tolerance, at
same color grouped outputs of R0-
R15 / G0-G15 / B0-B15
Constant-current channel to
channel deviation (R0-R15 / G0-
G15 / B0-B15)(1)
ΔIERR(CC)
All CHn = on, BC = 2h, CC = FBh,
VOUTn = (VLED-1)V, RIREF = 7.8
kΩ(ICH = 5-mA target), TA = 25°C,
includes the VIREF tolerance, at
same color grouped outputs of R0-
R15 / G0-G15 / B0-B15
All CHn = on, BC = 6h, CC = A7h,
VOUTn = (VLED-1)V, RIREF = 7.8
kΩ(ICH = 10-mA target), TA = 25°C,
includes the VIREF tolerance, at
same color grouped outputs of R0-
R15 / G0-G15 / B0-B15
±2
All CHn = on, BC = 7h, CC = FBh,
IMAX=1b, VOUTn = (VLED-1)V,
RIREF = 6.8 kΩ(ICH = 20-mA target),
TA = 25°C, includes the VIREF
tolerance, at same color grouped
outputs of R0-R15 / G0-G15 / B0-
B15
±0.5
±2.5
%
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